CN102916448A - Honeycomb intelligent centralized control distributed multi-energy resource power generation system - Google Patents
Honeycomb intelligent centralized control distributed multi-energy resource power generation system Download PDFInfo
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- CN102916448A CN102916448A CN2012104639439A CN201210463943A CN102916448A CN 102916448 A CN102916448 A CN 102916448A CN 2012104639439 A CN2012104639439 A CN 2012104639439A CN 201210463943 A CN201210463943 A CN 201210463943A CN 102916448 A CN102916448 A CN 102916448A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
Abstract
The invention relates to a honeycomb intelligent centralized control distributed multi-energy resource power generation system. The honeycomb intelligent centralized control distributed multi-energy resource power generation system is characterized in that the power generation system comprises at least one wind generation unit which is connected with a low voltage substation through a power generation control unit, thus electric power is transmitted to the low voltage substation; the power generation system also comprises at least one photovoltaic power generation unit; the photovoltaic power generation unit is composed of a photovoltaic power generation plate and an inverter which are connected; and the inverter is connected with a distribution cabinet through an intelligent power source controller, thus the electric power is transmitted to the distribution cabinet. The honeycomb intelligent centralized control distributed multi-energy resource power generation system provided by the invention is based on the principle of using output electric energy on the spot and transmitting spare electric energy to a power grid, thus the laying cost of cables and general expenses of purchasing and installing a large booster transformer are saved. Simultaneously, a wind driven generator in the power generation system not only can turn into a constituent part of an urban green area to realize the purpose of beautifying the living environments of people and but also increases the utilization efficiency of wind energy, thereby solving the problem of power shortage during rush hours of power utilization.
Description
Technical field
The present invention relates to the central controlled distributed multi-energy generating system of a kind of honeycomb fashion intelligence.
Background technology
Along with the progress of human society, human demand for the energy increases day by day.Along with the consumption of the non-renewable energy resources such as coal, oil, the share that regenerative resource occupies in energy resource structure is increasing.Along with the maturation of photovoltaic power generation technology, photovoltaic generation, wind power generation proportion in whole energy framework is also increasing.But setting up large-sized photovoltaic generator unit and wind power station needs a large amount of funds and wide place.Therefore, can not fundamentally solve the day by day serious energy shortage problem that human society faces by setting up large-scale photovoltaic and wind power station.Therefore, following photovoltaic generation form will be: set up cheaply that the micro generation station is main, by network each Midget plant is carried out centralized control, management.
At present, the main thought of " distributed generation technology " that proposes---set up the photovoltaic generation plate at the position of building illumination abundance or set up wind-driven generator having the place of setting up wind-driven generator, become to meet the AC energy of national standard by the transformation of electrical energy that photovoltaic generation plate and wind-driven generator are produced, and this AC energy concentrated by power transmission cable be delivered in the mains-supplied electrical network after sending into step-up transformer, realize the purpose of parallel network power generation.In implementation process, has following defective: 1, owing to need to for photovoltaic plant sets up power transmission cable, therefore, increase the cost of the construction of line.And photovoltaic generation has the higher characteristics of cost of electricity-generating, and after having increased supply line and setting up cost, the benefit of photovoltaic generation will be delayed harvest time; 2, distributed power generation small scale, and had by different user, therefore, for the scheduling of unified management and electric energy brings great inconvenience; 3, the electric energy of Independent Power Generation station generation can produce certain loss in being sent to the process of utility grid, has reduced the benefit that produces of distributed power generation.
Summary of the invention
The purpose of this invention is to provide the central controlled distributed multi-energy generating system of a kind of honeycomb fashion intelligence, can improve the utilization ratio of wind energy, and the severe power shortage problem when solving present peak times of power consumption.
The central controlled distributed multi-energy generating system of a kind of honeycomb fashion intelligence, its special feature is: comprise at least one wind power generation unit, this wind power generation unit is connected with low pressure electric substation by the Generation Control unit, thereby electric power is delivered to low pressure electric substation; Also comprise at least one photovoltaic generation unit, this photovoltaic generation unit is comprised of the photovoltaic generation plate and the inverter that are connected, and this inverter is connected with distribution box by the power supply smart controller, thereby electric power is delivered to distribution box.
Wherein photovoltaic generation unit is erected on the body of wall of building.
Wherein wind power generation unit is erected in residential quarter or the urban green belts.
Wherein in low pressure electric substation, server is installed, this server is connected by wireless or cable network with wind power generation unit and Generation Control unit, photovoltaic generation unit and power supply smart controller thereof and communicates, thus the generating information that storage wind power generation unit, photovoltaic generation unit are uploaded.
Wherein inverter adopts Miniature inverter, in alternating current send into distribution box be connected the ac bus of connected mode with generation of Miniature inverter by parallel connection, thereby it is consistent wherein to connect the phase place that guarantees output current by the CAN-BUS bus between all Miniature inverters.
Wherein the power supply smart controller comprises control module, and this control module uses logging modle, contact modules to be connected with CAN-BUS module, Internet of Things module, civil power respectively.
Wherein wind power generation unit adopts rated output power to be no more than the small-sized wind power generator of 10KW.
Wherein the Generation Control unit comprises control module, and this control module is connected with CAN-BUS module, Internet of Things module, inversion module, contact modules respectively.
Electricity generation system of the present invention is the principle according to " the output electric energy uses on the spot, and rich electric energy is uploaded electrical network ", has saved the general expenses of cable laying expense and buying, installation large-sized booster transformer.Simultaneously, the wind-driven generator in the electricity generation system not only can become a part in the urban afforestation zone, realizes beautifying the purpose of people's living environment, and has improved the utilization ratio of wind energy, the flurried problem of electricity consumption when solving present peak times of power consumption.Because electricity generation system of the present invention has the function of energy scheduling, therefore, electricity generation system of the present invention also be applicable to " the energy contract management " and sales mode.
Description of drawings
Accompanying drawing 1 is the topological diagram of electricity generation system of the present invention;
Accompanying drawing 2 is the logic schematic diagram of electricity generation system of the present invention;
Accompanying drawing 3 is the workflow diagram of electricity generation system of the present invention.
Embodiment
As shown in Figure 1, 2, the present invention is the central controlled distributed multi-energy generating system of a kind of honeycomb fashion intelligence, comprise at least one wind power generation unit, this wind power generation unit is connected with low pressure electric substation by the Generation Control unit, thereby electric power is delivered to low pressure electric substation; Also comprise at least one photovoltaic generation unit, this photovoltaic generation unit is comprised of the photovoltaic generation plate and the inverter that are connected, and this inverter is connected with distribution box by the power supply smart controller, thereby electric power is delivered to distribution box.
Wherein photovoltaic generation unit is erected on the body of wall of the building of family independently or building construction, and wind power generation unit is erected in residential quarter or the urban green belts.In low pressure electric substation, server is installed, this server is connected by wireless or cable network with wind power generation unit and Generation Control unit, photovoltaic generation unit and power supply smart controller thereof and communicates, thus the generating information that storage wind power generation unit, photovoltaic generation unit are uploaded.
The inverter of photovoltaic generation unit adopts Miniature inverter, in alternating current send into distribution box be connected the ac bus of connected mode with generation of Miniature inverter by parallel connection, thereby it is consistent wherein to connect the phase place that guarantees output current by the CAN-BUS bus between all Miniature inverters.And supporting power supply smart controller comprises control module, and this control module uses logging modle, contact modules to be connected with CAN-BUS module, Internet of Things module, civil power respectively.
Wind power generation unit adopts the small-sized wind power generator of rated output power 10KW, and supporting Generation Control unit comprises control module, and this control module is connected with CAN-BUS module, Internet of Things module, inversion module, contact modules respectively.
Electricity generation system of the present invention is specific as follows:
The present invention relates to a kind of distributed generation system with network communication and energy scheduling function, this system is by the electric energy that detects photovoltaic generation unit and produce and the bearing power of the actual use of user, and the judgement present load is to be powered simultaneously by photovoltaic generation unit power supply, mains-supplied or both.If in use there is affluence in the electric energy that photovoltaic generation unit produces, then system is sent to the electric energy of affluence in the utility grid.This electricity generation system has not only realized distributed power generation, and has saved the general expenses of the expense of cable laying and buying, installation large-sized booster transformer.
Electricity generation system is by setting up small-sized wind power generator in clear area with good conditionsi, and with the power delivery that produces to utility grid, improved the utilization ratio of wind energy.
The present invention realizes the ruly transmission between each building block of system of various information by the mode of communication management level is set for whole system.
Honeycomb fashion electricity generation system of the present invention relates to following noun, now is explained as follows:
Honeycomb---whole distributed power generation zone.
Honeycomb---zone that low pressure electric substation covers.
Honeybee chamber---generator unit independently in the honeycomb.
Aspect generation technology: according to the principle of " the output electric energy uses on the spot; rich electric energy is uploaded electrical network ", the electric energy that " honeybee chamber " produced digests on the spot, the electric energy that is erected at the architectural photovoltaic generation unit generation of family is sent in the household electricity distribution box by the power supply smart controller, the power supply smart controller detects the demand power of load reality in the current generating electric energy of photovoltaic generation unit and the family in real time, by the data analysis to detecting, judge, with determine whether to need accessing civil power in the supply line of family or the no rich Energy Transfer that photovoltaic generation unit need to be produced to electrical network, concrete operations are switched different circuits by contact modules and can be finished.
The electric energy that is erected at the small-sized wind power generator generation on the vacant lot is directly sent in the utility grid, as the part of civil power.
Power supply smart controller in the family calculates the electric energy of the civil power that used in a day with electric loading in the family by detecting the total electric energy that used in a day with electric loading in photovoltaic generation unit produces in one day electric energy and the family.
The communication aspects of electricity generation system:
Native system is each " honeybee chamber "---independently generator unit is given unique system numbering, be convenient to system for " honeybee chamber " the every day/per month/annual generating, power information carry out that data are filed, management." honeybee chamber " the every day/per month/annual generating, power information, finally gather in the terminal database to the server by wireless communication technique or Internet of Things mechanics of communication.Be the purpose that realizes being convenient to manage, the whole zone that needs to realize the fraction generating is divided into some independently zones, the scope that interregional boundary is covered take the low pressure electric substation in each zone is as standard, terminal database in this isolated area is stored the information such as the generating of the generator unit in the zone, electricity consumption, fault, back up, and finally gathers to the terminal control database in whole zone.The terminal database administrative staff in zone can notify each family by mobile phone short messages with energy output, the used information about power in each family this month per month the end of month, so that of that month electric energy operating position is in time understood by each family, and in time pay relevant electric weight cost of use.
A whole set of electricity generation system of the present invention is comprised of " honeycomb ", " honeycomb ", " honeybee chamber ", effectively realizes grading control, does not interfere with each other between unit at the same level, realizes improving the purpose of the stability of a system.
" honeybee chamber " is the most basic component units of a whole set of electricity generation system.Photovoltaic generation unit is erected on the body of wall of the building of family independently or building construction, and wind power generation unit is erected in residential quarter or the urban green belts to decorate Landscape Form.
" honeycomb " is comprised of several " honeybee chambers ".The center of each " honeycomb " is low pressure electric substation, and the rich electric energy that produces in " honeybee chamber " all can be concentrated to the low-pressure end of low pressure electric substation, and becomes the part of civil power, realizes the purpose of generating electricity by way of merging two or more grid systems.
Set up the terminal database in this " honeycomb " zone on the server in the low pressure electric substation, be used for storage and be somebody's turn to do generating information (electric current, the magnitude of voltage that comprise the current generation of photovoltaic generation plate/small-sized wind power generator that upload " honeycomb " each " honeybee chamber ", the electric current of the current output of Miniature inverter, magnitude of voltage, the frequency of Miniature inverter output current, the electric energy that Miniature inverter every day/moon/year produces, the electric energy of the civil power of failure code, the current use of user)." honeybee chamber " is by realizing the transmission of information between wired, wireless network or technology of Internet of things and " honeycomb "." honeycomb " processed, analyzed the information of the transmission of " honeybee chamber ", and the information exchange after filing and will file according to the form of Year/Month/Day is crossed in the terminal database that Internet of Things is uploaded to " honeycomb ".
Terminal database in " honeycomb " is for information such as the generating of recording whole zone " honeybee chamber ", electricity consumptions.
The information filing that the terminal database of " honeycomb " is uploaded each " honeycomb " according to the numbering of " honeycomb ", and extract the energy output in each " honeybee chamber " this month and the electric weight in use in this month " honeycomb " utility grid.The information of keeper after by arrangement is sent to the mode of relevant information by note in the cell-phone number of this " honeycomb " correspondence, makes the ownership person of this " honeycomb " in time understand the operating position of of that month electric energy.
For the purpose of the construction cost that realizes reducing photovoltaic generation and wind driven power generation and transmission electrical network, the output electric energy of photovoltaic generation and wind power generation is taked the principle of " the output electric energy uses on the spot, and rich electric energy is uploaded electrical network ".Output electric energy on the spot using priciple refers to: the electric energy that " the honeybee chamber " in " honeycomb " produces is somebody's turn to do under the constant prerequisite of " honeybee chamber " power load in guarantee by the independent use in this " honeybee chamber ", realizes reducing and is somebody's turn to do " honeybee chamber " for the demand of civil power consumption.
Rich electric energy is uploaded the electrical network principle and is referred to when the electric energy of " honeybee chamber " generation exceeds the demand of self-contained power load, and unnecessary electric energy will be uploaded in the power supply grid of low-pressure side of low pressure electric substation, as the part of civil power.
Photovoltaic generation unit is comprised of photovoltaic generation plate and 250W Miniature inverter.Miniature inverter is sent into the alternating current that produces in the ac bus by the mode of being connected in parallel.By the CAN-BUS bus communication, realize guaranteeing the consistent purpose of phase place of Miniature inverter output current between each Miniature inverter.
Each " honeybee chamber "---a power supply smart controller is all installed by family, and this power supply smart controller can be replaced the ammeter in the supply network.
The composition of power supply smart controller and function such as following table:
The energy supply power supply of power load is comprised of the power supply of two parallel connections in " honeybee chamber "---and be set up in photovoltaic generation plate and civil power on this " honeycomb ", determined to be powered by that energy supply power supply by the power supply smart controller.The power supply smart controller receives the generating information of Miniature inverter transmission by the CAN-BUS bus, and every terms of information is processed, analyzed.Simultaneously, the power supply smart controller gathers current with the magnitude of current in the household electricity circuit, by calculating the electric energy of the current power load demand of current family by the current Hall transducer.
If during the AC energy that the electric energy of power load demand produces less than Miniature inverter, move accordingly the contact of power supply smart controller control contactor module, the electric energy that realization is produced by the photovoltaic generation plate is the power load power supply, simultaneously, the electric energy of affluence is uploaded in the utility grid.
If during the electric energy that the electric energy of power load demand produces greater than Miniature inverter, move accordingly the contact of power supply smart controller control contactor module, realization is powered simultaneously by electric energy and civil power that the photovoltaic generation plate produces, reduces power load to the use amount of civil power.
If the photovoltaic generation plate hinders for some reason or be affected by environment can't produce electric energy the time, move accordingly the contact of power supply smart controller control contactor module, the photovoltaic generation plate is switched supply network, and be that power load is powered by civil power.
The power supply smart controller is accepted generating information and the failure code of each Miniature inverter by the CAN-BUS bus, and (be microcontroller with the control module that every terms of information is sent into the power supply smart controller, single-chip microcomputer for example) analyzes in, thereby obtain this " honeybee chamber " energy output of one day and judge Miniature inverter and whether corresponding photovoltaic generation plate exists fault.The power supply smart controller uses logging modle to collect the civil power electric energy that should " honeybee chamber " uses in a day by its inner civil power.After MCU in the power supply smart controller puts every terms of information in order, to be somebody's turn to do " honeybee chamber " power information on the same day, generating information by wired, wireless network or Internet of Things, failure code is sent in the terminal database of " honeycomb ", so that the terminal database of " honeycomb " records, analyzes the every terms of information of this " honeybee chamber " timely.
Have a large amount of afforested areas in urban construction and the residential quarter, some afforested areas have the condition of setting up small-sized wind power generator.
The direct current energy that small-sized wind power generator is produced changes three-phase alternating current into by the Generation Control unit, and the three-phase alternating current of generation carries out energy supply as a part of civil power for " honeybee chamber " in " honeycomb ".
The composition of Generation Control unit and function such as following table:
The output current of inversion module is three-phase current in the Generation Control unit, and the triple line of each phase current and low pressure electric substation low-pressure side forms one to one relation.For the waveform that guarantees the alternating current that inversion module produces consistent with the current waveform of low pressure electric substation low-pressure side.The current phase of Generation Control unit Real-time Collection low pressure electric substation low-pressure side, according to the current phase that collects, adjust in real time the phase place of inversion module output current, the current phase that the electric current of guaranteeing inversion module output not only meets national standard but also current phase and low pressure electric substation low-pressure side is consistent.The part that the alternating current that inversion module produces in the Generation Control unit becomes civil power compensates to utility grid, by electrical network for power load.
Control module in the Generation Control unit (is microcontroller, single-chip microcomputer for example) electric current, the magnitude of voltage that produce of the current small-sized wind power generator of record, and according to day, the moon, year classification record data, and be corresponding failure code with the fault conversion when small-sized wind power generator occurs, by the deciphering to failure code, the fault that small-sized wind power generator produces is described with written form, use E-MAIL that corresponding failure-description is sent to the manager, so that administrative staff in time carry out breakdown repair to small-sized wind power generator.Simultaneously, the Generation Control unit sends to designer with failure-description by E-MAIL by wired, wireless network or Internet of Things, make the designer pass through analysis to fault, understand the defective that exists in the product design, and in time make amendment for the defective of product design, realize improving the purpose of product.
Claims (8)
1. the central controlled distributed multi-energy generating system of honeycomb fashion intelligence, it is characterized in that: comprise at least one wind power generation unit, this wind power generation unit is connected with low pressure electric substation by the Generation Control unit, thereby electric power is delivered to low pressure electric substation; Also comprise at least one photovoltaic generation unit, this photovoltaic generation unit is comprised of the photovoltaic generation plate and the inverter that are connected, and this inverter is connected with distribution box by the power supply smart controller, thereby electric power is delivered to distribution box.
2. the central controlled distributed multi-energy generating system of a kind of honeycomb fashion intelligence as claimed in claim 1, it is characterized in that: wherein photovoltaic generation unit is erected on the body of wall of building.
3. the central controlled distributed multi-energy generating system of a kind of honeycomb fashion intelligence as claimed in claim 1, it is characterized in that: wherein wind power generation unit is erected in residential quarter or the urban green belts.
4. the central controlled distributed multi-energy generating system of a kind of honeycomb fashion intelligence as claimed in claim 1, it is characterized in that: wherein in low pressure electric substation, server is installed, this server is connected by wireless or cable network with wind power generation unit and Generation Control unit, photovoltaic generation unit and power supply smart controller thereof and communicates, thus the generating information that storage wind power generation unit, photovoltaic generation unit are uploaded.
5. the central controlled distributed multi-energy generating system of a kind of honeycomb fashion intelligence as claimed in claim 1, it is characterized in that: wherein inverter adopts Miniature inverter, in alternating current send into distribution box be connected the ac bus of connected mode with generation of Miniature inverter by parallel connection, thereby it is consistent wherein to connect the phase place that guarantees output current by the CAN-BUS bus between all Miniature inverters.
6. the central controlled distributed multi-energy generating system of a kind of honeycomb fashion intelligence as claimed in claim 1, it is characterized in that: wherein the power supply smart controller comprises control module, and this control module uses logging modle, contact modules to be connected with CAN-BUS module, Internet of Things module, civil power respectively.
7. the central controlled distributed multi-energy generating system of a kind of honeycomb fashion intelligence as claimed in claim 1, it is characterized in that: wherein wind power generation unit adopts rated output power to be no more than the small-sized wind power generator of 10KW.
8. the central controlled distributed multi-energy generating system of a kind of honeycomb fashion intelligence as claimed in claim 1, it is characterized in that: wherein the Generation Control unit comprises control module, and this control module is connected with CAN-BUS module, Internet of Things module, inversion module, contact modules respectively.
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| CN103996095A (en) * | 2013-02-20 | 2014-08-20 | 乐金信世股份有限公司 | Building energy control system and method |
| CN107091198A (en) * | 2017-05-06 | 2017-08-25 | 深圳市奈士迪技术研发有限公司 | A kind of efficiency power generation equipment controlled based on Internet of Things |
| CN112531684A (en) * | 2020-11-20 | 2021-03-19 | 国网天津市电力公司电力科学研究院 | Medium-voltage and low-voltage double-layer honeycomb network structure for urban power distribution network |
| CN114548956A (en) * | 2022-04-26 | 2022-05-27 | 国网天津市电力公司电力科学研究院 | Integrated energy power distribution system based on honeycomb topology and operation method thereof |
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Application publication date: 20130206 |