CN102263418B - Apparatus capacity allocation method of hybrid energy power generation system - Google Patents

Abstract

The invention discloses an apparatus capacity allocation method of a hybrid energy power generation system. The hybrid energy power generation system comprises a plurality of energy systems. The method is characterized in that: an apparatus capacity proportion of each energy system can be allocated according to actual demands of different setting sites and environment factors, wherein the apparatus capacity proportion is best suitable for the setting sites; an apparatus capacity combination of a minimum cost recovery year can be calculated so as to further reduce setting costs and improve efficiency.

Description

The installed capacity collocation method of energy mix electricity generation system

Technical field

The present invention relates to a kind of installed capacity method for optimizing, relate in particular to a kind of installed capacity collocation method of energy mix electricity generation system.

Background technology

The environmental protection subject under discussion heats up in the recent period, and therefore continuous one of important especially problem of using forever of the lifting of energy use efficiency and the energy, just arises at the historic moment relevant for the technology of the renewable energy resources.Wherein wind-force and solar photocell electricity generation system are the most ripe renewable energy resources of present technological development, and fuel cell has also represented its development in future potentiality in recent years.

The advantage of solar photocell electricity generation system is that "dead" pollution, durable and maintenance cost are low etc., and under the influence that its conversion efficiency rises year by year and semi-conductor industry is significantly made a leapleap forward, make the cost of solar power system continue to reduce and move closer to economical and practicalization.And with regard to wind power generation, its advantage is for not polluting and can not damaging the ozone layer, and also more and more supported at present and payes attention to.In addition, the advantage of fuel cell generation mainly includes high efficiency, almost is zero to pollute and framework elasticity etc.In the sustained and rapid development in recent years of the research and development technology of these type of renewable energy resources.

It is to be overcome that yet above-mentioned energy resource system all still has shortcoming to have on Development Technology, and for example solar photocell and wind power generation amount quite rely on the situation of weather, and fuel cell is the cost of electricity-generating costliness.Because above-mentioned defective, the energy mix electricity generation system just is suggested, and wherein different energy sources can go to supply mutually its defective by different qualities, compared with single energy generating, the energy mix electricity generation system more can provide high-quality and reliable electric weight to give user side except cost is low.

And as for the proportioning that arranges of energy mix generating system apparatus capacity, have in the prior art and propose to consider the different device model of the various energy, find out the minimum combination of cost, but its shortcoming is for considering to arrange limiting factors such as site actual power efficient and place, and can't be proper make the configuration of optimal proportion according to the site actual environment is set.Therefore, the set-up mode of the energy mix electricity generation system of prior art still has worth improvements.

Summary of the invention

In view of this, the present invention proposes the installed capacity collocation method of energy mix electricity generation system, can dispose the ratio of the energy source device capacity of suitable this site according to actual demand and the environmental factor that difference arranges the site, cost is set and stable power source is provided with further reduction.Energy mix electricity generation system of the present invention is not limited to specific energy resource system, for instance, the energy mix electricity generation system can comprise solar power system and wind generator system, also can be hydroelectric power system, system for geothermal production of electricity or living mass-energy electricity generation system etc., even can be diesel motor electricity generation system or thermal power generation system etc., see that the actual demand that the site is set comes the kind of construction energy resource system.

According to a scheme of the present invention, a kind of installed capacity collocation method of energy mix electricity generation system is provided, to find out the installed capacity combination of this energy mix electricity generation system, wherein the energy mix electricity generation system includes a plurality of energy resource systems.Method step comprises: according at least one environmental parameter, calculating corresponds respectively to a plurality of capacity factor measures and a plurality of largest device capacity of described a plurality of energy resource systems, and wherein capacity factor measure is the ratio of corresponding energy resource system actual power power and desirable generated output.

Then, according to an overall apparatus capacity, described a plurality of largest device capacity and described a plurality of capacity factor measure, handle obtaining this installed capacity combination.And, according to this installed capacity combination, a system cost and the cost recovery that can calculate this energy mix electricity generation system.Wherein producing the combination of this installed capacity is to find out a plurality of installed capacities that described a plurality of energy resource system is distinguished correspondence, makes this capacity factor measure of each this energy resource system and summation that this installed capacity multiplies each other can supply this overall apparatus capacity.

Then, according to system cost and cost recovery, can calculate a cost recovery time, and whether the expectation payback period that basis for estimation user demand sets is greater than this cost recovery time, if estimate that payback period is not greater than the cost recovery time, then return the step of design apparatus combined capacity, to find out another kind of installed capacity combination.Wherein this cost recovery time represents the time of this system cost and cost recovery payment.Judge whether that then all installed capacity combinations are all calculated, if judge this installed capacity combination that still has not calculating, then get back to and carry out the step of handling this installed capacity combination that obtains also not calculating; If judge that this all installed capacity combinations is all calculated, then this installed capacity combination of this cost recovery time minimum be set at the optimization configuration of this energy mix electricity generation system.

Again wherein, described a plurality of energy resource system can be solar power system, wind generator system, hydroelectric power system, system for geothermal production of electricity, give birth to two or more combination arbitrarily in mass-energy electricity generation system, fuel cell generation or the energy-storage system (as secondary cell).Above-mentioned environmental parameter can be the commanding elevation, site to be set and nothing is covered the area that arranges that can install energy resource system, to extrapolate the largest device capacity that can arrange, also can be temperature, wind speed, illumination, discharge, water flow velocity, heat carrier amount, geotemperature and give birth to pledge amount etc., to calculate the capacity factor measure corresponding to various energy resource systems.Certainly, the present invention does not limit the kind of electricity generation system, it can be the energy resource system of any kind of, except above-mentioned solar energy, wind-force, fuel cell, waterpower, underground heat, living mass-energy, also can be traditional energy such as diesel motor, firepower or even nuclear energy etc., and various energy resource systems also have its required environmental parameter of considering, and in this largest device capacity and the capacity factor measure of site are set to make this energy resource system.

In addition, above-mentioned cost recovery can be the saving electricity charge or a profit on sales, wherein save the electricity charge and be the electric power that the energy mix electricity generation system is generated and be applied to the electricity charge that a usefulness electric loading can reduce fully, profit on sales then be the electric power that will produce be sold to fully at least one electric power purchase hold earn a profit.

Certainly, according to another aspect of the present invention, the electric power that the energy mix electricity generation system produces also can be that the part oneself uses and the part sale, can be according to user's requirements set one self-operative installations capacity and a sale device capacity, wherein self-operative installations capacity is the capacity that the electric power work oneself that the energy mix electricity generation system generates is used, and the sale device capacity then is the capacity of the electric power that the energy mix electricity generation system generates being done sale.

Can estimate self-operative installations combined capacity and sale device combined capacity respectively in the step, find out the combination addition again of full blast, to obtain the overall apparatus combined capacity.The step of wherein estimating self-operative installations combined capacity comprises: according to self-operative installations capacity, largest device capacity and capacity factor measure, processing obtains a self-operative installations combined capacity, then according to self-operative installations combined capacity, calculate an oneself and use system cost, and according to self-operative installations capacity, calculate the part electric power that the energy mix electricity generation system is generated and be applied to the saving electricity charge that the usefulness electric loading can be saved.Then, use system cost and save the electricity charge according to the oneself, handle obtaining the self-use cost recovery time, wherein the self-use cost recovery time is the time that the oneself uses system cost and the saving electricity charge to offset.

Again, also comprise in the step of oneself's electricity consumption: the oneself that basis for estimation user's demand sets uses and estimates whether payback period reclaims the time greater than self-use cost, if using, the oneself estimates that payback period does not reclaim the time greater than this oneself's use cost, then gets back to the step of calculating self-operative installations combined capacity.Then, judge whether that all self-operative installations combined capacity are all calculated, if still have not calculated self-operative installations combined capacity, then return the step of calculating self-operative installations combined capacity.

And the step of estimation sale device combined capacity comprises: according to sale device capacity, largest device capacity and capacity factor measure, processing obtains the sale device combined capacity, and according to the sale device combined capacity, calculate the marketing system expense, then according to the sale device capacity, calculate the part power sale that the energy mix electricity generation system is generated and purchase the obtainable profit on sales of end to electric power.Then, according to marketing system expense and profit on sales, handle obtaining the selling cost recovery time, wherein selling cost reclaims the time that the time is marketing system expense and profit on sales payment.

Again, the step of selling electric power also comprises: the sale that basis for estimation user's demand sets estimates whether payback period reclaims the time greater than selling cost, estimate that payback period does not reclaim the time greater than selling cost, then gets back to the step of calculating the sale device combined capacity if sell.Then, judge whether that all sale device combined capacity are all calculated, if still have not calculated sale device combined capacity, then get back to the step of calculating the sale device combined capacity again.

If above-mentioned all self-operative installations combined capacity and sale device combined capacity are all calculated, then self-use cost is reclaimed the self-operative installations combined capacity of time minimum and the sale device combined capacity addition of selling cost recovery time minimum and obtain the overall apparatus combined capacity, and this overall apparatus combined capacity is set at the optimization configuration of energy mix electricity generation system.

Beneficial effect of the present invention is, method by the said apparatus capacity configuration, just can find out the wherein optimum capacity combination of each electricity generation system, and make the energy mix electricity generation system under can the situation of supply requirement with the least cost setting, promote service efficiency and the power supply stability of energy mix electricity generation system.

Above general introduction and ensuing embodiment all are in order to further specify technological means of the present invention and to reach effect, and the right embodiment that narrates and accompanying drawing only provide reference that usefulness is described, the present invention is limited.

Description of drawings

Fig. 1 is the block diagram of a kind of embodiment of apparatus of the present invention capacity configuration system;

Fig. 2 is the block diagram of a kind of embodiment of energy mix electricity generation system;

Fig. 3 A is the schematic equivalent circuit of solar power system;

Fig. 3 B is the operation of fuel cells schematic diagram;

Fig. 4 is the flow chart of a kind of embodiment of the installed capacity collocation method of energy mix electricity generation system of the present invention;

Fig. 5 is the flow chart of the another kind of embodiment of the installed capacity collocation method of energy mix electricity generation system of the present invention; And

Fig. 6 is the flow chart of another embodiment of the installed capacity collocation method of energy mix electricity generation system of the present invention.

Wherein, description of reference numerals is as follows:

10 installed capacity configuration-systems

101 processing units

103 input units

105 environmental detection unit

20 energy mix electricity generation systems

201 energy conversion systems

203 solar power systems

205 wind generator systems

207 fuel cell generations

209 electrolysis systems

211 storage oxygen systems

213 hydrogen storage systems

30 use electric loading

401 photoelectric conversion modules

403 loads

405 anode electrodes

407 cathode electrodes

409 electrolytic thin-membranes

411 current-collectors

S401～S425 flow chart step explanation

S501～S525 flow chart step explanation

S601～S637 flow chart step explanation

Embodiment

As mentioned above, the invention provides a kind of installed capacity collocation method of energy mix electricity generation system, one of its characteristics are to dispose the installed capacity of each energy resource system according to the environmental parameter that the site is set and user's situation demand, in order to find the installed capacity configuration that meets economic benefit most, the present invention proposes a kind of concept of capacity factor measure, in an embodiment of the present invention, the capacity factor measure k of electricity generation system _CfCan be defined as:

k _cf＝P/P _rate

Wherein, P is this electricity generation system actual power amount, and P _RateIt then is the fully loaded energy output of electricity generation system full-time (whole day).

Please refer to Fig. 1 and Fig. 2, be respectively the block diagram of a kind of embodiment of installed capacity configuration-system 10 and energy mix electricity generation system 20, wherein this installed capacity configuration-system 10 namely is the installed capacity in order to various energy resource systems in the design configurations energy mix electricity generation system 20.In the present embodiment, can include a processing unit 101, an input unit 103 and an environmental detection unit 105 in the installed capacity configuration-system 10, the environmental parameter S that processing unit 101 can detect according to environmental detection unit 105 _EnvAnd the input parameter S that sets according to the user _Input(setting according to user's demand or situation) designs the installed capacity combination D of each energy resource system in the energy mix electricity generation system 20 _Sol

And can include a plurality of energy resource systems in the energy mix electricity generation system 20, in order to produce electric power to offer with electric loading 30 or to sell.In the present embodiment, the energy resource system of energy mix electricity generation system 20 has solar power system 203, wind generator system 205 and fuel cell generation 207.Certainly, the present invention does not limit the kind of energy resource system, any renewable energy resources, traditional energy or even energy-storage system (similarly being secondary cell) all can be used as the energy source in the energy mix electricity generation system 20, at this because of convenient explanation, only enumerate solar energy, wind-force and fuel cell for implementing aspect, its Mathematical Modeling is as follows:

(1) solar power system 203:

Solar cell is made up of the semiconductor of many P-N junction types, can be electric energy output with transform light energy, therefore can suppose solar cell after solar radiation as current source and the offered load use.The equivalent electric circuit of solar cell as shown in Figure 3A, I among the figure _PhThe photoelectric current that the photoelectric conversion module 401 of expression solar cell produces after illumination is penetrated, D _jRepresent a P-N junction diode, R _sWith R _ShRepresent equivalent series resistance and the equivalent parallel resistance of inside solar energy battery respectively, V and I then are output voltage and the output current of solar cell, export load 403 to.By equivalent electric circuit and in conjunction with the characteristic of P-N junction semiconductor, the solar cell equivalent mathematical model can be expressed as follows:

$I=I_{\mathrm{ph}}-I_{\mathrm{sat}}[e^{q(V+{\mathrm{IR}}_s)/\mathrm{AkT}}-1]-(V+{\mathrm{IR}}_s)/R_{\mathrm{sh}}$

I wherein _SatBe the solar cell revers saturation current, q is the contained quantity of electric charge (1.6 * 10 of electronics ^-19Coulomb), A is the desirable factor (A=1～5) of solar cell, k is Boltzmann's constant (1.38 * 10 ^-23And T is solar cell temperature (absolute temperature K) J/K).

Can learn do not having some fundamental characteristics of solar cell under the situation of illumination as solar cell by aforesaid equation, photoelectric current is zero, this moment, solar cell cand be compared to common diode, and when the solar cell short circuit, voltage is zero, and short circuit current approximates photoelectric current.

(2) wind generator system 205:

For wind generator system 205, the mechanism that extracts wind energy is wind turbine generator, and the wing tip speed that at first defines fan blade is as follows than λ:

λ＝rω _m/v

Wherein r is the pneumatic equipment blades made radius, ω _mBe the generator mechanical separator speed, v is wind speed.In addition, the power coefficient of wind power generation is the function C of wing tip speed ratio _p=f _g(λ), the corresponding relation of the wind-force unit of different blades with different capacity coefficient and wing tip speed ratio.The mechanical output P that generator produces _m(W) be proportional to atmospheric density ρ (kg/m ³), blade rotation area A (m ²), power coefficient C _pAnd wind speed v cube, its mechanical output can be expressed as:

P _m＝0.5ρAC _pv ³

(3) fuel cell generation 207:

Fuel cell is a kind of device that directly chemical energy of fuel is converted to electric energy, and operation principle may be interpreted as the back reaction of water electrolysis.Its system's signal of fuel cell comprises anode electrode 405, cathode electrode 407 (Electrode), electrolytic thin-membrane 409 (Electrolyte Membrane) and current-collector 411 (Current Collector) etc. shown in Fig. 3 B.The reaction equation of anode electrode 405 and cathode electrode 407 is as follows:

Anode: H ₂→ 2H ⁺+ 2e ^-

Negative electrode: 1/2O ₂+ 2H ⁺+ 2e ^-→ H ₂O

The fuel cell output voltage equation is as follows:

V _FC＝E _Nernst-V _act-V _ohmic-V _con

E wherein _NernstRepresent fuel cell reversible voltage, V _ActRepresent fuel cell and overcome activation the subject of knowledge and the object of knowledge loss current potential, V _OhmicRepresent the current potential that the fuel cell ohmic polarization is lost, and V _ConThen represent the potential loss that concentration polarization causes.Fuel cell output power can be expressed as:

P _s＝n*V _FC*i _FC

Wherein n represents fuel-cell single-cell number, V _FCRepresent fuel cell output voltage, and i _FCRepresent fuel cell output current.

After setting up the mathematics dynamic model of the various energy, future is when assessing the installed capacity ratio of each site device energy mix, can utilize the environment of this site, the mathematics dynamic model of the climatic information collocation various energy of setting up to find out its capacity factor measure, and cooperate the energy mix installed capacity optimization mechanism that proposes to find out the golden ratio of this site installing energy mix electricity generation system 20.

Multiple with reference to Fig. 2, energy mix electricity generation system 20 can also include an energy conversion system 201, an electrolysis system 209, a storage oxygen system 211 and a hydrogen storage system 213, energy conversion system 201 is coupled to solar power system 203, wind generator system 205 and fuel cell generation 207, receive the electric power that described a plurality of electricity generation system produces, electric power is carried out processing such as transformation, filtering, rectification, and distribute to electric loading 30 or sell.

Electrolysis system 209 is coupled to solar power system 203 and wind generator system 205, the additional power of wind generator system 205 and solar power system 203 can be utilized, water is carried out electrolysis store to produce oxygen with hydrogen and to be sent to storage oxygen system 211 and hydrogen storage system 213 respectively, to sell or to be supplied to fuel cell generation 207 to produce electric power when the urgent electricity consumption.In other words, hydrogen is the main fuel of fuel cell generation 207, and oxygen is the combustion-supporting gas when reacting, and therefore, fuel cell generation 207 adds that hydrogen storage system 213 can be considered an energy-storage system, and the energy is stored in case of need.That is to say, energy resource system in the energy mix electricity generation system 20 is except being to produce the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of electric power voluntarily, also can be the system that stores electric power, similarly be that above-mentioned fuel cell generation 207 adds hydrogen storage system 213, or secondary cell etc.

Because environmental consciousness comes back, and the carbon dioxide pollution problem brought of greenhouse effect, the whole world is just actively promoted and is developed the renewable energy resources, in the future various renewable source of energy generation systems technology exploitations will be ripe day by day all, therefore the framework of energy mix electricity generation system 20 proposed by the invention has been developed ripe solar photocell electricity generation system except above-mentioned institute proposition technology, outside wind generator system and the fuel cell, also can comprise tidal power generation future, hydroelectric power generation, but other renewable energy resources such as underground heat and living mass-energy also add the energy mix electricity generation system 20 that this paper proposes with elasticity, and except the renewable energy resources, the demand of site is set according to difference, energy mix electricity generation system 20 proposed by the invention also can be arranged in pairs or groups as traditional energies such as diesel motor and thermal power generation, these energy mix electricity generation system 20 frameworks will be not limited to certain several specific energy, but go out the energy mix electricity generation system 20 of the most suitable local site and diversification combination according to the actual demand construction that difference arranges the site.

Then, please refer to Fig. 4, the flow chart for a kind of embodiment of the installed capacity collocation method of energy mix electricity generation system 20 of the present invention is applicable to installed capacity configuration-system 10.This method comprises: according to user's requirements set one overall apparatus capacity (S401), in the present embodiment, the overall apparatus capacity being set can be to comprise collecting this historical power information that site is set, obtaining a contract electricity capacity, the super about power consumption P of definition according to this history power information _2pAnd P _3p, and the overall apparatus capacity is set at is same as super about power consumption P _2pAdd P _3pP wherein _2pAnd P _3pRepresentative surpasses contract electricity capacity 10% with interior and 10% above power consumption respectively.When general user's end made power consumption surpass the contract capacity, Utilities Electric Co. all can charge surcharge appropriately to user side, if want to reduce electric cost, this is a big problem that must overcome, therefore in the present embodiment just with super about power consumption giving an example as the overall apparatus capacity.Certainly, the overall apparatus capacity also can directly be set at contract power consumption or other setting means, sees user's demand.

Then, also comprise in the step: according at least one environmental parameter, obtain the largest device capacity (S403) that described a plurality of energy resource system can dispose.Energy resource system in the present embodiment can be solar power system 203, wind generator system 205 or fuel cell generation 207, can be the commanding elevation, site to be set and nothing is covered the area A that arranges that can install solar panels and calculate the required environmental parameter of described a plurality of energy resource system largest device capacity _s, or arrange the site hold wind energy conversion system and wind field good area A is set _wEtc..Certainly, according to different energy resource systems, the environmental parameter of required consideration also can be different.

And in present embodiment, fuel cell generation 207 is not because generating own is subjected to external factor influences such as weather, and cost of electricity-generating is more expensive, usually all need to have the supply of urgent power consumption again because of any site, therefore just to can be designed as be fuel cell generation 207 to the emergency use energy resource system, and urgent electricity consumption requirement is set at the installed capacity of fuel cell generation 207, just with fuel-cell device capacity cap _fBe set at and supply urgent electricity consumption requirement fully.Though it should be noted that the installed capacity cap of the fuel cell generation 207 of present embodiment _fSetting means be to keep close watch over urgently needed electric weight, but when general normal electricity consumption, but fuel cell generation 207 normal power supply is still not necessarily just powered when urgent electricity consumption.

Then, obtain the capacity factor measure (S407) of energy resource system according to environmental parameter, wherein capacity factor measure is the ratio of corresponding energy resource system actual power power and desirable generated output.In the present embodiment, can be temperature, wind speed and the illumination etc. that the locality, site is set in order to the environmental parameter of the calculated capacity factor, resulting capacity factor measure can be the capacity factor measure fac of solar power system 203 _s, and the capacity factor measure fac of wind generator system 205 _wAccording to different energy resource systems, the environmental factor of required consideration also can be different, similarly be that hydroelectric power system just needs to consider discharge and water flow velocity, system for geothermal production of electricity need be considered amount (similarly being steam and water) and the geotemperature of ground heat carrier, and giving birth to the mass-energy electricity generation system then needs to consider amount (similarly being biogenic organic substances such as timber, spoil) of giving birth to pledge etc.

In addition, according to user's situation demand, can obtain one and estimate payback period (S409), then, according to overall apparatus capacity, largest device capacity, capacity factor measure fac _sAnd fac _w, installed capacity configuration-system 10 just can obtain installed capacity cap _sAnd cap _wCombination (S411), installed capacity cap wherein _sBe the installed capacity that solar power system 203 disposes in energy mix electricity generation system 20, and installed capacity cap _wThen be the installed capacity that wind generator system 205 disposes in energy mix electricity generation system 20, its load end and capacity factor measure relational expression are as follows:

P _total＝fac _s*cap _s+fac _w*cap _w+fac _f*cap _f

Wherein subscript f, s, w represent fuel cell, solar energy and wind-force, and fac and cap then represent capacity factor measure and installed capacity respectively.

Then, according to above-mentioned installed capacity combination of trying to achieve, installed capacity configuration-system 10 just can calculate a system cost Cost (S413) of energy mix electricity generation system 20, and the electric power that calculate to use energy mix electricity generation system 20 the to produce one saving electricity charge M that can save _r(S415).

In the present embodiment, computing system expense Cost can comprise that calculating one of this energy mix electricity generation system 20 arranges cost I _k, a maintenance expense

An and salvage value

(k representative be each energy resource system, be s (solar energy), w (wind-force), f (fuel cell) in the present embodiment, certainly, actual the restriction when using is these several energy resource systems, how much do not limit number yet, just give an example because of convenient explanation at this), formula is:

$\mathrm{Cost}={\mathrm{\Σ}}_{k=s,w,f}(I_k-S_{P_k}+{\mathrm{OM}}_{P_k})$

1. cost I is set _k:

I _s＝cost _s*cap _s

I _w＝cost _w*cap _w

I _f＝cost _f*cap _f

Cost wherein _w, cost _sAnd cost _fRepresent wind generator system 205, solar power system 203 and fuel cell generation 207 every kilowatt installation costs respectively, and cap _w, cap _sAnd cap _fRepresent the installed capacity of wind generator system 205, solar power system 203 and fuel cell generation 207 respectively.

2. salvage value

Along with energy mix electricity generation system 20 is started working, the value of its system also will descend year by year, and therefore necessary taking into account system is along with the variation of its value of increase of service life, and the salvage value of energy mix electricity generation system 20 is expressed as follows:

$S_{P_w}=0.1*{\cos t}_w*{\mathrm{cap}}_w*{\left(\frac{1+\mathrm{\β}}{1+\mathrm{\γ}}\right)}^{N_p}$

$S_{P_s}=0.1*{\cos t}_s*{\mathrm{cap}}_s*{\left(\frac{1+\mathrm{\β}}{1+\mathrm{\γ}}\right)}^{N_p}$

$S_{P_f}=0.1*{\cos t}_f*{\mathrm{cap}}_f*{\left(\frac{1+\mathrm{\β}}{1+\mathrm{\γ}}\right)}^{N_p}$

Wherein

And

Represent the salvage value of wind generator system 205, solar power system 203 and fuel cell generation 207, recovery value is about cost 1/10 is set, β be represent inflation rate, γ is the interest rate of bank, N _pIt is system's service life.

3. maintenance cost

Again, along with energy mix electricity generation system 20 is started working, its maintenance cost is arranged every year, but to guarantee system's operate as normal, its system maintenance expense is expressed as follows:

${\mathrm{OM}}_{P_s}=0.1*{\cos t}_s*{\mathrm{cap}}_s*\underset{j=1}{\overset{N_p}{\mathrm{\Σ}}}{\left(\frac{1+v}{1+\mathrm{\γ}}\right)}^j$

${\mathrm{OM}}_{P_w}=0.05*{\cos t}_w*{\mathrm{cap}}_w*\underset{j=1}{\overset{N_p}{\mathrm{\Σ}}}{\left(\frac{1+v}{1+\mathrm{\γ}}\right)}^j$

Wherein

And

Represent the maintenance cost of wind generator system 205 and solar power system 203, annual maintenance cost is about cost 5% and 1% is set, fuel cell then is to use certain hour (for example 4000 hours), the time limit one is to namely directly renewing, the problem that does not have maintenance cost, and v be represent the maintenance cost rate of growth, γ is the interest rate of bank, N _pIt then is system's service life.

As for saving electricity charge M _rPart, in the present embodiment, can comprise the super M of imposing a fine approximately that saves _p, basic charge as per installed capacity M _b, electricity charge M flows _fAnd the carbon dioxide decrement is taken

1. avoid the super M of imposing a fine approximately _p

M _2p＝(sm _{cap_cost}*sm _mon+wt _{cap_cost}*wt _mon)*2*P _2p

M _3p＝(sm _{cap_cost}*sm _mon+wt _{cap cost}*wt _mon)*3*P _3p

M _p＝M _2p+M _3p

M wherein _2pAnd M _3pRepresent super about 2 times and 3 times of fine, P _2pAnd P _3pRepresentative surpasses contract capacity 10% with interior and 10% above power consumption, sm _MonAnd wt _MonBe respectively represent the moon in summer that Utilities Electric Co. announces and the non-moon in summer number, sm _{Cap_cost}And wt _{Cap_cost}Represent Xia Yue and the non-moon in summer every kilowatt of contract capacity expense.

2. save basic charge as per installed capacity M _b

M _b＝(sm _{cap_cost}*sm _mon+wt _{cap_cost}*wt _mon)*(P _w+P _s)

P wherein _wAnd P _sRepresent the actual power (installed capacity is multiplied by capacity factor measure) of wind generator system 205 and solar power system 203 respectively, sm _MonAnd wt _MonBe respectively represent the moon in summer that Utilities Electric Co. announces and the non-moon in summer number, sm _{Cap_cost}And wt _{Cap_cost}Represent Xia Yue and the non-moon in summer every kilowatt of contract capacity expense.Because the fuel cell cost is higher and the life-span is shorter, therefore be mainly used in urgent electricity consumption, when calculating basic charge as per installed capacity, present embodiment do not include fuel cell in consideration.

3. save the electricity charge M that flows _f

M _f＝(P _w+P _s)*h*d*eg _cost

P wherein _wAnd P _sRepresent the actual power (installed capacity is multiplied by capacity factor measure) of wind generator system 205 and solar power system 203 respectively, h and d represent one day 24 hours respectively and 1 year 365 days, eg _CostRepresent Utilities Electric Co.'s kilowatt-hour average price, consider equally that at this fuel cell cost is higher and the life-span is shorter, therefore be mainly used in urgent electricity consumption, when the electricity charge are flowed in present embodiment calculating, also do not include fuel cell in consideration.

4. carbon dioxide decrement expense

$M_{{\mathrm{CO}}_2}=(P_w+P_s)*{\mathrm{wg}}_{{\mathrm{CO}}_2}*{\cos t}_{{\mathrm{CO}}_2}*h*d$

P wherein _wAnd P _sRepresent the actual power (installed capacity is multiplied by capacity factor measure) of wind generator system 205 and solar power system 203 respectively, h and d represent one day 24 hours respectively and 1 year 365 days,

Represent Utilities Electric Co. and announce minimizing per metric ton CO ₂The decrement expense,

Represent average kilowatt-hour and produce the CO that causes ₂Amount, consider equally that at this fuel cell cost is higher and the life-span is shorter, therefore calculate CO ₂Do not include fuel cell in consideration during the decrement expense yet.

According to the above-mentioned condition of considering, can get annual saving electricity charge M _rAs follows:

$M_r=M_p+M_b+M_f+M_{{\mathrm{CO}}_2}$

Multiple with reference to figure 4, this flow process also comprises: according to system cost and the saving electricity charge, installed capacity configuration-system 10 just can calculate a cost recovery time (S417).Then, installed capacity configuration-system 10 judges that whether the expectation payback period is greater than cost recovery time (S419).If judged result is just got back to step S411 and is sought another kind of installed capacity combination for not; If judged result is for being, record the shortest present cost recovery time (S421) then.Then, judge whether finish (S423) all to be simulated in all installed capacity combinations.If judged result is got back to step S411 equally and is sought another kind of installed capacity combination for not; If judged result is for being, this installed capacity combination that then will the shortest cost recovery time is disposed (S425) as the optimization of energy mix electricity generation system.

When considering useful life of energy mix electricity generation system 20 (general solar panels and wind energy conversion system useful life be 20 years), if deducting, system cost Cost saves electricity charge M _rCan't become negative value in the estimated cost recovery time that useful life, the time limit or user set, its system cost Cost namely can't reclaim.

Then please refer to Fig. 5, the flow chart for the another kind of embodiment of the installed capacity collocation method of energy mix electricity generation system 20 of the present invention comprises: set overall apparatus capacity (S501); Obtain the largest device capacity (S503) of energy resource system according to environmental parameter; Obtain the capacity factor measure (S507) of energy resource system according to environmental parameter; And according to user's requirements set expectation payback period (S509).

Then, the installed capacity combination (S511) of installed capacity configuration-system 10 design energy resource systems; Computing system expense (S513); Calculate profit on sales (S515); Assess the cost and reclaim the time (S517); Judge and estimate that whether payback period is greater than cost recovery time (S519); Record is the shortest cost recovery time (S521) at present; Judge whether to have simulated all installed capacity combinations (S523); And this installed capacity combination that will the shortest cost recovery time is as the optimization configuration (S525) of energy mix electricity generation system 20.

The place that Fig. 5 is different with Fig. 4 is that the user is used for the electric power that energy mix electricity generation system 20 produces to sell.For instance, because national governments all support the green energy resource development energetically at present, so also do one's utmost to promote the policy of Utilities Electric Co.'s purchase renewable source of energy generation, also same set of energy mix electricity generation system is changed the condition that adopts Utilities Electric Co.'s purchase renewable energy resources at this, it is as follows to observe its cost recovery overview:

R _s＝P _s*b _s*h*d

R _w＝P _w*b _w*h*d

P wherein _wAnd P _sRepresent the actual power (installed capacity is multiplied by capacity factor measure) of wind generator system 205 and solar power system 203 respectively, R _sAnd R _wRepresenting solar power system 203 and wind generator system respectively sells electricity 205 every year and gives Utilities Electric Co.'s gained amount of money, b _sWith b _wIt is the expense of Utilities Electric Co.'s bulletin purchase solar power system 203 and wind generator system 205 every degree electricity.Because the present various places of fuel cell government does not have the purchase policy that proposes as yet, does not just include the discussion scope at this, so can learn as system cost Cost and deduct solar power system 203 and wind generator system 205 is sold the amount of money R that electricity is given Utilities Electric Co. _sAnd R _wWhen negative, represent its system cost and reclaim.When the expection payback period reclaims, will record the shortest payback period N at present _MinAfter finishing the possible combination of all energy mix systems, its shortest payback period N _MinThe i.e. golden ratio of the energy mix of site for this reason of energy mix electricity generation system 20 installed capacity ratios.

Certainly, according to user's demand, the electric power that energy mix electricity generation system 20 produces also can be part oneself electricity consumption and part is sold, as shown in Figure 6.Step comprises: according to user's requirements set oneself's operative installations capacity and sale device capacity (S601), wherein self-operative installations capacity is the capacity that the electric power work oneself that the energy mix electricity generation system generates is used, and the sale device capacity then is the capacity of the electric power that the energy mix electricity generation system generates being done sale.Then obtain the largest device capacity (S603) of described a plurality of energy resource systems according to environmental parameter, and the capacity factor measure (S605) that obtains described a plurality of energy resource systems according to environmental parameter.

Then, present embodiment is because there is branch electric power oneself to use and two kinds of sale, so these two kinds of flow processs are calculated respectively.Wherein, the estimation flow process that the electric power oneself uses comprises: use according to user's requirements set oneself and estimate payback period (S607), and according to self-operative installations capacity, largest device capacity and capacity factor measure, design self-operative installations combined capacity (S609).Then, according to self-operative installations combined capacity, calculate the oneself and use system cost (S611), and calculate the part electric power that the energy mix electricity generation system is generated and be applied to the saving electricity charge (S613) that to save with electric loading.Then, just can use system cost and save the electricity charge according to the oneself, handle obtaining the self-use cost recovery time (S615), wherein the self-use cost recovery time be the time that the oneself uses system cost and the saving electricity charge to offset.

Next, step also comprises: judge the oneself uses the expectation payback period whether to reclaim the time greater than self-use cost, and payback period reclaims the time (S617) greater than self-use cost if the oneself uses expectation, then gets back to step S609.Estimate that payback period reclaims the time greater than self-use cost if the oneself uses, just the at present the shortest self-use cost of record reclaims the time (S619).Then, judge whether that all self-operative installations combined capacity have all been calculated (S621), if still have not calculated self-operative installations combined capacity, then get back to step S609 equally.

On the other hand, the step of the estimation flow process of power sale comprises: sell according to user's requirements set and estimate payback period (S608), and according to sale device capacity, largest device capacity and capacity factor measure, design sale device combined capacity (S623).Then, according to the sale device combined capacity, calculate marketing system expense (S625), and calculate the part power sale that the energy mix electricity generation system is generated and purchase end obtainable profit on sales (S627) to electric power.Then, just can handle obtaining the selling cost recovery time (S629) according to marketing system expense and profit on sales, wherein selling cost reclaims the time that the time is marketing system expense and profit on sales payment.

Then, judge to sell to estimate whether payback period reclaims the time greater than selling cost, estimate that payback period does not reclaim the time (S631) greater than selling cost, then gets back to step S623 if sell.Estimate that payback period reclaims the time greater than selling cost if sell, just the at present the shortest selling cost of record reclaims the time (S633).Then, judge whether that all sale device combined capacity have all been calculated (S635), if still have not calculated sale device combined capacity, then get back to step S623 equally.

At last, self-operative installations combined capacity and the sale device combined capacity addition in market minimum recovery time of the self-use cost of minimum being reclaimed the time obtain the overall apparatus combined capacity, and the overall apparatus combined capacity are set at the optimization configuration (S637) of energy mix electricity generation system.

In addition, more can include an emergency use energy resource system in the above-mentioned energy mix electricity generation system 20, the mode of its setting device capacity is to set according to the urgent power consumption that the site is set, and makes this emergency use energy resource system provide standby electric power in the urgent moment.The emergency use energy resource system can be as above-mentioned fuel cell generation 207, also can be the energy resource system of other any kind.

Enumerating a data instance at this, is that energy mix electricity generation system 20 is applied to avoid super about three times of fine and emergency power supply among the notebook data embodiment.Test the site with certain school as reality, according to the data of this school's electric power monitoring system, it is 176kW more than 10% that electricity consumption in 2009 surpasses the contract capacity, and just the overall apparatus capacity must arrive 176kW.

Therefore this school significant data storehouse all is arranged at office of information service, must not be subjected to the influence of Utilities Electric Co.'s electric power system fault and keeps operate as normal.Fuel cell because its generating price is comparatively expensive, is designed primarily to and plays the part of the role that urgent electricity consumption is provided in energy mix electricity generation system 20, and therefore default fuel cell must be able to provide the power consumption of office of information service.According to these school's data that electric power monitoring system provides in 2009, can learn the electric power that it must provide the urgent power consumption of about 72kW, so the installed capacity cap of its fuel cell is set _fBe 72kW, deduct the capacity that the arranges cap of fuel cell _f=72kW, solar energy and wind-force must provide common 176-72=104 (kW) to suppress super about three times of fine.

Consider that this school's reality can install the area of solar photocell and wind generator system, the 1kW solar panels can be installed in general per 3 level grounds, and this school's attic can be installed about 210kW solar photoelectric cell system altogether, and wind generator system then can be adorned and be about 250kW.According to prior simulation and survey data, can learn the solar photocell electricity generation system of this school location and the capacity factor measure fac of wind generator system _sAnd fac _wBe respectively 10.7% and 34.33%, then utilize the installed capacity optimization mechanism of previously described energy mix electricity generation system 20 can find out the golden ratio that this school installs energy mix electricity generation system 20.This school's used parameter of site environmental analysis is as shown in table 1.

Table 1

Title	Numerical value
		The load end demand power	176 kilowatts
Every kilowatt of installation cost of solar power system	150,000 yuan
		Every kilowatt of installation cost of wind generator system	50,000 yuan
Every kilowatt of installation cost of fuel cell generation	280,000 yuan
		Solar panels service lives	20 years
Wind energy conversion system service life	20 years
		Fuel cell useful life	4,000 hours
Inflation rate	2.4％
		Bank rate	1.568％
The every degree electricity price of Utilities Electric Co.'s purchase solar power system lattice	12.97 unit
		The every degree electricity price of Utilities Electric Co.'s purchase wind generator system lattice	2.38 unit
The per metric ton CO of Utilities Electric Co. 2Decrement reclaims price	650 yuan
		The electric CO of every degree 2Generation	0.636 kilogram
Utilities Electric Co. stipulates the moon in summer number	4
		Utilities Electric Co. stipulates the non-moon in summer number	8
Utilities Electric Co. stipulates per thousand watt of expense of the moon in summer contract capacity	213 yuan
		Utilities Electric Co. stipulates per thousand watt of expense of the non-moon in summer contract capacity	169 yuan
The average every degree electricity charge of Utilities Electric Co. are used	3 yuan

Integrate and installed capacity optimization mechanism via energy mix electricity generation system 20 dynamic models, energy mix electricity generation system 20 can be arranged the payback period arrangement in this school site as shown in table 2, data show that self-electricity consumption payback period is about 14 years, if cooperating Utilities Electric Co.'s purchase payback period then to elongate is 17 years, its main cause is that this school's wind power generation is most effective, but wind power generation purchase electricity price on the low side due to.

Table 2

Energy mix system kind and amount of capacity	Oneself's electricity consumption payback period	The power sale payback period
			Solar energy+wind power+fuel cell: 169.86*0.107+250*0.3433+72*1=176	14	17

The installed capacity collocation method of energy mix electricity generation system 20 of the present invention, can stipulate the golden ratio that it arranges the installed capacity of energy mix electricity generation system 20 at the different site amount bodies that arranges, except actual assessment arranges the area size of site actual installation energy mix electricity generation system 30, the concept of capacity factor measure has also been proposed, can amount of capacity and the actual power efficient that the local various energy in site can install be set properer understanding, by considering installation cost and the cost recovery of energy mix electricity generation system 20, help to find out the device ratio that meets economic benefit most.And, also can come the ratio of adjusting device capacity according to user's situation simulation, promote practical value and the service efficiency of energy mix electricity generation system.

The above is explanation and the accompanying drawing of specific embodiments of the invention; and all authority scope of the present invention should be as the criterion with following claim; any those skilled in the art, can think easily and variation or modify all can be encompassed in the scope of patent protection that the present invention defines.

Claims (15)

1. the installed capacity collocation method of an energy mix electricity generation system, it is characterized in that, this energy mix electricity generation system includes a plurality of energy resource systems, and this method is at least one the installed capacity combination that produces the described a plurality of energy resource systems in this energy mix electricity generation system, and this method comprises:

(a) have in the installed capacity configuration-system of a processing unit, an input unit and an environmental detection unit one, this processing unit is according at least one environmental parameter that is detected by this environmental detection unit, calculating corresponds respectively to a plurality of capacity factor measures and a plurality of largest device capacity of described a plurality of energy resource systems, wherein this installed capacity configuration-system is in order to the installed capacity of various energy resource systems in this energy mix electricity generation system of design configurations, and the ratio that described a plurality of capacity factor measure is corresponding described a plurality of energy resource system actual power power and desirable generated output;

(b) according to an overall apparatus capacity, described a plurality of largest device capacity and described a plurality of capacity factor measure, obtain this installed capacity combination by this processing unit processes of this installed capacity configuration-system, wherein this overall apparatus capacity is a contract electricity capacity, one super about power consumption or the capacity that sets according to user's demand;

(c) this processing unit by this installed capacity configuration-system makes up according to this installed capacity, calculates a system cost of this energy mix electricity generation system;

(d) this processing unit by this installed capacity configuration-system calculates because use this energy mix electricity generation system to generate the cost recovery that electric power reclaims;

(e) by this processing unit of this installed capacity configuration-system according to this system cost and this cost recovery, processing obtains a cost recovery time, wherein this cost recovery time represents the time of this system cost and this cost recovery payment, and whether the expectation payback period that basis for estimation user's demand sets is greater than this cost recovery time, if this expectation payback period is then got back to step (b) not greater than this cost recovery time; And

(f) this processing unit by this installed capacity configuration-system judges whether that this all installed capacity combinations is all calculated; If judge to still have this installed capacity combination of not calculating, then get back to step (b) execution and handle this installed capacity combination that obtains also not calculating; If this all installed capacity combinations is all calculated, then this installed capacity combination of this cost recovery time minimum is set at the optimization configuration of this energy mix electricity generation system.

2. the installed capacity collocation method of energy mix electricity generation system as claimed in claim 1, it is characterized in that, producing this installed capacity combination is to find out described a plurality of energy resource system to distinguish corresponding a plurality of installed capacities, make this capacity factor measure of each this energy resource system and summation that this installed capacity multiplies each other can supply this overall apparatus capacity, formula is:

P _total=Σ _i=1～Mfac _i*cap _i

P wherein _TotalBe the overall apparatus capacity, M is the number of described a plurality of energy resource systems, fac _iBe this capacity factor measure of this energy resource system, and this cap _iThis installed capacity for this energy resource system.

3. the installed capacity collocation method of energy mix electricity generation system as claimed in claim 1 is characterized in that, calculates this system cost and comprises that calculating one of this energy mix electricity generation system arranges cost, a maintenance expense and a salvage value, and formula is:

$\mathrm{Cost}=\underset{i=1}{\overset{M}{\mathrm{\Σ}}}(I_i-S_{P_i}+{\mathrm{OM}}_{P_i})$

Wherein, Cost is this system cost, and M is the number of described a plurality of energy resource systems, I _iFor this of this energy resource system arranges cost,

Be this salvage value of this energy resource system, It then is this maintenance cost of this energy resource system;

This formula that cost is set is:

I _i=cost _i*cap _i，i＝1～M

Cost wherein _iBe the installation cost of every kilowatt of this energy resource system, and cap _iIt then is this installed capacity of this energy resource system;

The formula of this salvage value is:

$S_{P_i}=k*{\cos t}_i*{\mathrm{cap}}_i*{\left(\frac{1+\mathrm{\β}}{1+\mathrm{\γ}}\right)}^{N_P}$

Wherein k is the ratio that recovery value accounts for installation cost, β be represent inflation rate, γ is the interest rate of bank, N _pIt is system's service life; And

The formula of this maintenance cost is:

${\mathrm{OM}}_{P_i}=q*{\cos t}_i*{\mathrm{cap}}_i*\underset{j=1}{\overset{N_P}{\mathrm{\Σ}}}{\left(\frac{1+v}{1+\mathrm{\γ}}\right)}^j$

Wherein, q is the ratio that annual maintenance cost accounts for installation cost, and v is the maintenance cost rate of growth.

4. the installed capacity collocation method of energy mix electricity generation system as claimed in claim 1, it is characterized in that, described a plurality of energy resource systems be a solar power system, a wind generator system, a hydroelectric power system, a system for geothermal production of electricity, all one's life mass-energy electricity generation system, a fuel cell generation or an energy-storage system in two or more combinations.

5. the installed capacity collocation method of energy mix electricity generation system as claimed in claim 1, it is characterized in that, this environmental parameter be a temperature, an illumination, a wind speed, a discharge, a water flow velocity, a ground heat carrier amount, a geotemperature, all one's life the pledge amount and described a plurality of energy resource system can arrange one area one of them or its combination are set.

6. the installed capacity collocation method of energy mix electricity generation system as claimed in claim 1, it is characterized in that, this energy resource system is an emergency use energy resource system, and this installed capacity of this emergency use energy resource system is to set according to the urgent power consumption that the site is set.

7. the installed capacity collocation method of energy mix electricity generation system as claimed in claim 1 is characterized in that, this cost recovery is the saving electricity charge or a profit on sales; These saving electricity charge are that the electric power that representative generates this energy mix electricity generation system is applied to the electricity charge that a usefulness electric loading can reduce fully, and this profit on sales then is that the electric power that representative generates this energy mix electricity generation system is sold to the expense that at least one electric power purchase end can obtain fully.

8. the installed capacity collocation method of energy mix electricity generation system as claimed in claim 7 is characterized in that, these saving electricity charge are one to surpass approximately the flow electricity charge and a carbon dioxide decrement of fine, a basic charge as per installed capacity, to take one of them or its combination, this super M of imposing a fine approximately _pFormula be:

M _2p=(sm _{cap_cost}*sm _mon+wt _{cap_cost}*wt _mon)*2*P _2p

M _3p=(sm _{cap_cost}*sm _mon+wt _{cap_cost}*wt _mon)*3*P _3p

M _p=M _2p+M _3p

Wherein, M _2pBe super about 2 times of fine, M _3pBe super about 3 times of fine, P _2pRepresent super about 10% with interior power consumption, P _3pRepresent super about power consumption more than 10%, sm _MonRepresent the Xia Yue number, wt _MonRepresent Fei Xia month number, sm _{Cap_cost}Represent the expense of every kilowatt of electric power of Xia Yue, and wt _{Cap_cost}Then represent the expense of the Fei Xia month every kilowatt of electric power;

This basic charge as per installed capacity M _bFormula be:

M _b=(sm _{cap_cost}*sm _mon+wt _{cap_cost}*wt _mon)*(Σ _i=1～MP _i)

Wherein, P _iRepresent the actual power of this energy resource system, M represents the number of described a plurality of energy resource systems;

Electricity charge M should flow _fFormula be:

M _f=(Σ _i＝1～MP _i)*h*d*eg _cost

Wherein, h represents the hourage of every day, and d represents annual fate, eg _CostRepresent the equal price of 1 degree level; And

This carbon dioxide decrement is taken

Formula is:

$M_{{\mathrm{CO}}_2}=\left(\underset{i=1}{\overset{M}{\mathrm{\Σ}}}{P}_i\right)*{\mathrm{wg}}_{{\mathrm{CO}}_2}*{\cos t}_{{\mathrm{CO}}_2}*h*d$

Wherein,

Representative reduces per metric ton CO ₂The decrement expense,

Represent average 1 degree electricity and produce the CO that causes ₂Amount;

Again wherein, this electric power purchase end is a Utilities Electric Co., and the formula of this profit on sales is:

R _i=P _i*b _i*h*d，i=1～M

R wherein _iBe the profit on sales of this energy resource system, b _iBe that the electric expense of every degree that this energy resource system produces is purchased by this Utilities Electric Co..

9. the installed capacity collocation method of an energy mix electricity generation system, it is characterized in that, this energy mix system includes a plurality of energy resource systems, and this method is at least one the overall apparatus combined capacity that produces the described a plurality of energy resource systems in this energy mix electricity generation system, and this method comprises:

(a) have in the installed capacity configuration-system of a processing unit, an input unit and an environmental detection unit one, this processing unit obtains a plurality of capacity factor measures and a plurality of largest device capacity corresponding to described a plurality of energy resource systems according at least one environmental parameter, wherein this installed capacity configuration-system is in order to the installed capacity of various energy resource systems in this energy mix electricity generation system of design configurations, and the ratio that described a plurality of capacity factor measure is described a plurality of energy resource system actual power power and desirable generated output;

(b) according to user's requirements set one self-operative installations capacity and a sale device capacity, should oneself's operative installations capacity be the capacity that the electric power work oneself that this energy mix electricity generation system generates is used wherein, this sale device capacity then be the capacity of the electric power that this energy mix electricity generation system generates being done sale;

(c-1) according to this oneself's operative installations capacity, described a plurality of largest device capacity and described a plurality of capacity factor measure, handle obtaining a self-operative installations combined capacity;

(d-1) according to this oneself's operative installations combined capacity, calculate an oneself and use system cost;

(e-1) according to this oneself's operative installations capacity, the part electric power that calculating generates this energy mix electricity generation system is applied at least one saving electricity charge that can save with electric loading;

(f-1) using system cost and this saving electricity charge according to this oneself, handle obtaining a self-use cost recovery time, should be the time that this oneself uses system cost and this saving electricity charge payment in oneself's use cost recovery time wherein;

(g-1) oneself that sets of basis for estimation user demand use to estimate whether payback period reclaims time greater than this oneself's use cost, estimates that payback period reclaims time greater than this oneself's use cost, then gets back to step (c-1) if this oneself uses;

(h-1) judge whether that this all oneself's operative installations combined capacity is all calculated, if still have not calculated should oneself's operative installations combined capacity, then get back to step (c-1);

(c-2) according to this sale device capacity, described a plurality of largest device capacity and described a plurality of capacity factor measure, handle obtaining a sale device combined capacity;

(d-2) according to this sale device combined capacity, calculate a marketing system expense;

(e-2) according to this sale device capacity, the part power sale that calculating generates this energy mix electricity generation system gives at least one electric power purchase end an obtainable profit on sales;

(f-2) according to this marketing system expense and this profit on sales, handle obtaining the selling cost recovery time, wherein this selling cost reclaims the time that time is this marketing system expense and the payment of this profit on sales;

What (g-2) basis for estimation user demand set one sell to estimate whether payback period reclaims time greater than this selling cost, estimates that payback period reclaims time greater than this selling cost, then gets back to step (c-2) if this is sold;

(h-2) judge whether that this all sale device combined capacity is all calculated, if still have not calculated this sale device combined capacity, then get back to step (c-2);

(i) all calculated as if all this oneself's operative installations combined capacity and this sale device combined capacity, this oneself's operative installations combined capacity that then should oneself's use cost reclaims the time minimum obtains this overall apparatus combined capacity with this sale device combined capacity addition that this selling cost reclaims the time minimum, and the optimization that this overall apparatus combined capacity is set at this energy mix electricity generation system is disposed.

10. the installed capacity collocation method of energy mix electricity generation system as claimed in claim 9, it is characterized in that, produce this oneself's operative installations combined capacity or this sale device combined capacity, be to find out described a plurality of energy resource system to distinguish corresponding a plurality of installed capacities, make this capacity factor measure of each this energy resource system and summation that this installed capacity multiplies each other can supply this oneself's operative installations capacity or this sale device capacity, formula is:

P=Σ _i=1～Mfac _i*cap _i

Wherein P is this oneself's operative installations capacity or this sale device capacity, and M is the number of described a plurality of energy resource systems, fac _iBe this capacity factor measure of this energy resource system, and this cap _iThis installed capacity for this energy resource system.

11. the installed capacity collocation method of energy mix electricity generation system as claimed in claim 9, it is characterized in that, calculate this oneself and use system cost or this marketing system expense to comprise that one of this energy mix electricity generation system of calculating arranges cost, a maintenance expense and a salvage value, formula is:

$\mathrm{Cost}=\underset{i=1}{\overset{M}{\mathrm{\Σ}}}(I_i-S_{P_i}+{\mathrm{OM}}_{P_i})$

Wherein, Cost is that this oneself uses system cost or this marketing system expense, and M is the number of described a plurality of energy resource systems, I _iFor this of this energy resource system arranges cost,

Be this salvage value of this energy resource system,

It then is this maintenance cost of this energy resource system;

This formula that cost is set is:

I _i=cost _i*cap _i，i＝1～M

Cost wherein _iBe the installation cost of every kilowatt of this energy resource system, and cap _iIt then is this installed capacity of this energy resource system;

The formula of this salvage value is:

$S_{P_i}=k*{\cos t}_i*{\mathrm{cap}}_i*{\left(\frac{1+\mathrm{\β}}{1+\mathrm{\γ}}\right)}^{N_P}$

Wherein k is the ratio that recovery value accounts for installation cost, β be represent inflation rate, γ is the interest rate of bank, N _pIt is system's service life; And

The formula of this maintenance cost is:

${\mathrm{OM}}_{P_i}=q*{\cos t}_i*{\mathrm{cap}}_i*\underset{j=1}{\overset{N_P}{\mathrm{\Σ}}}{\left(\frac{1+v}{1+\mathrm{\γ}}\right)}^j$

Wherein, q is the ratio that annual maintenance cost accounts for installation cost, and v is the maintenance cost rate of growth.

12. the installed capacity collocation method of energy mix electricity generation system as claimed in claim 9, it is characterized in that, described a plurality of energy resource systems be a solar power system, a wind generator system, a hydroelectric power system, a system for geothermal production of electricity, all one's life mass-energy electricity generation system, a fuel cell generation or an energy-storage system in two or more combinations.

13. the installed capacity collocation method of energy mix electricity generation system as claimed in claim 9, it is characterized in that, this environmental parameter be a temperature, an illumination, a wind speed, a discharge, a water flow velocity, a ground heat carrier amount, a geotemperature, all one's life the pledge amount and described a plurality of energy resource system can arrange one area one of them or its combination are set.

14. the installed capacity collocation method of energy mix electricity generation system as claimed in claim 9, it is characterized in that, this energy resource system is an emergency use energy resource system, and this installed capacity of this emergency use energy resource system is to set according to the urgent power consumption that the site is set.

15. the installed capacity collocation method of energy mix electricity generation system as claimed in claim 9, it is characterized in that, these saving electricity charge are one to surpass approximately the flow electricity charge and a carbon dioxide decrement of fine, a basic charge as per installed capacity, to take one of them or its combination, this super M of imposing a fine approximately _pFormula be:

M _2p=(sm _{cap_cost}*sm _mon+wt _{cap_cost}*wt _mon)*2*P _2p

M _3p=(sm _{cap_cost}*sm _mon+wt _{cap_cost}*wt _mon)*3*P _3p

M _p=M _2p+M _3p

Wherein, M _2pBe super about 2 times of fine, M _3pBe super about 3 times of fine, P _2pRepresent super about 10% with interior power consumption, P _3pRepresent super about power consumption more than 10%, sm _MonRepresent the Xia Yue number, wt _MonRepresent Fei Xia month number, sm _{Cap_cost}Represent the expense of every kilowatt of electric power of Xia Yue, and wt _{Cap_cost}Then represent the expense of the Fei Xia month every kilowatt of electric power;

This basic charge as per installed capacity M _bFormula be:

M _b=(sm _{cap_cost}*sm _mon+wt _{cap_cost}*wt _mon)*(Σ _i=1～MP _i)

Wherein, P _iRepresent the actual power of this energy resource system, M represents the number of described a plurality of energy resource systems;

Electricity charge M should flow _fFormula be:

M _f=(∑ _i＝1～MP _i)*h*d*eg _cost

Wherein, h represents the hourage of every day, and d represents annual fate, eg _CostRepresent the equal price of 1 degree level; And

This carbon dioxide decrement is taken

Formula is:

$M_{{\mathrm{CO}}_2}=\left(\underset{i=1}{\overset{M}{\mathrm{\Σ}}}{P}_i\right)*{\mathrm{wg}}_{{\mathrm{CO}}_2}*{\cos t}_{{\mathrm{CO}}_2}*h*d$

Wherein,

Representative reduces per metric ton CO ₂The decrement expense,

Represent average 1 degree electricity and produce the CO that causes ₂Amount;

Again wherein, this electric power purchase end is a Utilities Electric Co., and the formula of this profit on sales is:

R _i=P _i*b _i*h*d，i＝1～M

R wherein _iBe the profit on sales of this energy resource system, b _iBe that the electric expense of every degree that this energy resource system produces is purchased by this Utilities Electric Co..

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