CN104810855B - The electric current follow-up control method of inverter in multiple-energy-source Ship Electrical Power System - Google Patents
The electric current follow-up control method of inverter in multiple-energy-source Ship Electrical Power System Download PDFInfo
- Publication number
- CN104810855B CN104810855B CN201510256793.8A CN201510256793A CN104810855B CN 104810855 B CN104810855 B CN 104810855B CN 201510256793 A CN201510256793 A CN 201510256793A CN 104810855 B CN104810855 B CN 104810855B
- Authority
- CN
- China
- Prior art keywords
- inverter
- current
- ship
- diesel
- phase
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/01—Arrangements for reducing harmonics or ripples
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/26—Arrangements for eliminating or reducing asymmetry in polyphase networks
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
The present invention relates to a kind of electric current follow-up control method of inverter in multiple-energy-source Ship Electrical Power System.This method is applied to the multiple-energy-source ship AC electric power systems constituted with solar energy, diesel-driven generator and energy-storage system, inverter is connected in parallel with diesel-driven generator, for ship load supplying, inverter is operated in independent operating and diesel-driven generator parallel running both of which, i.e.,：When inverter independent operating, it is constant voltage constant frequency to control network of ship voltage, and now inverter is equivalent to voltage source；When inverter and diesel-driven generator parallel running, inverter is realized to network of ship reactive power compensation, band unbalanced load and provides load harmonic current function, diesel-driven generator three-phase power balance, inverter output voltage determines that now inverter is equivalent to current source by diesel-driven generator output voltage.The inventive method is combined active with passive inverter technology, solves inverter inversion transformation technique key issue in multiple-energy-source Ship Electrical Power System, improves power supply quality.
Description
Technical field
The invention belongs to Ship Electrical Power System field and Technics of Power Electronic Conversion technical field, particularly a kind of multiple-energy-source ship
The electric current follow-up control method of inverter in power system.
Background technology
With the increasingly depleted of traditional fossil energy and increasingly sharpening for problem of environmental pollution, and it is larger-sized vessel, automatic
The increasingly significant and dependence driven by power and the high-power marine equipment ratio of control of change trend are improved constantly, and energy problem turns into
The bottleneck of Ship Electrical Power System development is restricted, it is necessary to study that efficiency high, non-environmental-pollution, total amount is big, widespread renewable
New energy progressively substitutes the green ship technology of traditional energy.Based on ship sail feature, solar energy is most directly, most to pass through
Ji and maximally effective new energy, but have that supply of electric power is unstable, discontinuous, change etc. defect with weather conditions.In order to improve
The stability of ship power supply system and flexibility, new energy are combined with traditional fossil energy constituted ship multiple-energy-source electricity
Force system, can meet the demand that ship energy increases substantially, and improve environmental pollution.
Relative to land power network, Ship Electrical Power System generally uses three-phase three-wire system, and net capacity is smaller, and and bulk power grid
Without points of common connection, high-power propulsion load, converter plant, nonlinear-load are more, some and Ship Electrical Power System capacity phase
Near Large Copacity electrical equipment（Such as Side Thrusters）In start-up course, network of ship voltage and frequency fluctuation can be caused, so as to drop
The low power network quality of power supply.And the decline of the quality of power supply, the increase of energy consumption can be not only caused, the reliability of power system can be also reduced
With the margin of safety of vessel motion, these are also network of ship and distributed micro-capacitance sensor difference.From Ship Electrical Power System angle
From the point of view of degree, the stability of network of ship voltage is determined by the exciter control system of synchronous generator, network of ship frequency
Stability is determined by prime mover revolution speed control system.Big voltage dip can cause the temperature of asynchronous motor stator winding
Rise, so as to accelerate insulation ag(e)ing, shortens the service life of motor, motor can be burnt out when serious.Meanwhile, voltage dip meeting
Cause transmission line of electricity to convey the reduction of power, easily cause the unstable of system frequency.From the point of view of network of ship quality of power supply angle,
The mains by harmonics that nonlinear load is caused is to influence two major reasons of the network of ship quality of power supply with three-phase imbalance load,
It depend not only upon TRT generate electricity can quality, and dependent on electrical load power quality, traditional three-phase four
Line electricity is made, is difficult to be applied to be made as main marine vessel power system with phase three-wire three electricity by the method for each phase disequilibrium of middle line balance
In system.
Ship photovoltaic DC-to-AC converter is to realize the key that new energy is incorporated to ship AC network, and it is used as leading to that energy is transmitted
Road, the function such as carries Voltage to current transducer, is matched with network of ship, realizing the utilization, energy resource consumption and carbon of regenerative resource
The reduction of discharge capacity.But the present situation that area is limited, photovoltaic cell electric energy conversion ratio is not high is laid in view of ship, use solar energy
It is real not enough as ship power source.If distributed grid-connected inversion transformation technique in the electric power network in land is directly applied to network of ship,
Maximally utilise generation of electricity by new energy, not enough electricity is provided by generator, there will be following problem：1. solar power generation is to day
The dependence of gas is stronger, and power supply reliability is not high；2. not fixing for generated energy make it that generator operation scope is big, efficiency is low, hair
Motor easily causes bigger energy expenditure；3. load is changed greatly, network of ship voltage and fluctuation and generating set reactive power
The intrinsic problem of ship such as loss can not obtain thorough improvement, and the addition of inverter may further deteriorate the electric energy of power network
Quality.Clearly for ship photovoltaic and the electric mixed power supply system of bavin, research is with circuit structure is succinct, power density is high, conversion
Efficiency high, cost are low, inverter suitable for network of ship characteristic, are by power electronics inversion transformation technique in Ship Electrical Power System
Combine the Some Questions To Be Researched that power supply technique is combined with new energy.
Therefore, seek a kind of multiple-energy-source ship suitable for constituting with solar energy, diesel-driven generator and energy-storage system to exchange
Power system and with reactive-load compensation, the Multifunctional inverter control method with disequilibrium load capacity, for improving the sun
Inverter power supply current quality can be improved with generator utilization rate, improve the power network quality of power supply and be respectively provided with highly important meaning.
The content of the invention
It is an object of the invention to provide a kind of electric current follow-up control method of inverter in multiple-energy-source Ship Electrical Power System,
This method admirably dissolve ship to the limited and network of ship quality of power supply of equipment volume weight it is in urgent need to be improved between lance
Shield, and fundamentally fluctuation, the output of raising diesel-driven generator active power of reduction network of ship voltage and frequency.
To achieve the above object, the technical scheme is that：The electricity of inverter in a kind of multiple-energy-source Ship Electrical Power System
Follow-up control method is flowed, the multiple-energy-source ship that this method is applied to constitute with solar energy, diesel-driven generator and energy-storage system is exchanged
Inverter, i.e., be connected in parallel by power system with diesel-driven generator, is ship load supplying, inverter be operated in independent operating,
With diesel-driven generator parallel running both of which, i.e.,：When inverter independent operating, it is constant pressure and constant to control network of ship voltage
Frequently, now inverter is equivalent to voltage source；When inverter and diesel-driven generator parallel running, inverter is realized to network of ship
Reactive power compensation, band unbalanced load and offer load harmonic current function, diesel-driven generator three-phase power balance, inverter
Output voltage determines that now inverter is equivalent to current source by diesel-driven generator output voltage.
In an embodiment of the present invention, when inverter and diesel-driven generator parallel running, the inverter is realized to ship
Oceangoing ship power network reactive power compensation is to determine output current base by giving the value of inverter active power of output and reactive power
The method of quasi- value is realized.
In an embodiment of the present invention, when inverter and diesel-driven generator parallel running, the inverter realizes ship
Detailed process of the power network with unbalanced load is as follows,
S31：Inverter A, B, C three-phase current individual-phase control, and control is relatively independent per phase current；
S32：By with loading the method with identical difference power, by formula（1）Determine inverter active power benchmarkWith reactive power reference；
Formula（1）
In formulaP LA、P LB、P LC、P L(=P LA+P LB+P LC) it is respectively to load A, B, C three phase power and general power,P Inv、Q InvFor
Inverter gives active and reactive power；
S33：The active power benchmark obtained by step S32With reactive power reference,
With reference to the frequency that acquisition voltage after phase is locked to network of ship voltagefWith phaseφInformation, obtains A, B, C three-phase fundamental current benchmark、、, inverter realization band unbalanced load ability.
In an embodiment of the present invention, when inverter and diesel-driven generator parallel running, the inverter is embodied as ship
The detailed process that oceangoing ship power network provides load harmonic current is as follows,
S41：Load currenti LA、i LB、i LCBy obtaining fundamental current after active power filteringi fA、i fB、i fC, by fundamental currenti fA、i fB、i fCAgain with load currenti LA、i LB、i LCSubtract each other, you can obtain harmonic current benchmarki hA、i hB、i hC；
S42：The harmonic current benchmark that step S41 is obtainedi hA、i hB、i hCRespectively with step S33 fundamental current benchmark
、、It is added, you can obtain the benchmark of inverter A, B, C three-phase current, it is achieved thereby that inverter provides negative to network of ship
Carry harmonic current compensation function.
In an embodiment of the present invention, it is negative in three-phase power imbalance when inverter and diesel-driven generator parallel running
Under the conditions of load, generator output three-phase equilibrium power.
Compared to prior art, the invention has the advantages that：What the inventive method can either produce new energy
DC voltage conversion is into the high-quality simple sinusoidal alternating current for matching with network of ship voltage and stablizing, while ship can also be improved
The power network quality of power supply and diesel-driven generator utilization rate, band disequilibrium load capacity, with bidirectional power flow, adaptive load ability
By force, the advantages of application prospect is extensive；Control method of the present invention is applied to photovoltaic inversion in ship multiple-energy-source power system
In device, adaptability is stronger, overall characteristic is more superior.
Brief description of the drawings
Fig. 1 is ship alternating current net side connection figure of the present invention.
Network of ship electric current principle figure when Fig. 2 is inverter of the present invention and diesel-driven generator parallel running.
Fig. 3 is the structured flowchart of present invention control circuit.
Inverter output current benchmark schematic diagram when Fig. 4 is inverter of the present invention and diesel-driven generator parallel running.
Inverter output voltage benchmark schematic diagram when Fig. 5 is inverter independent operating of the present invention.
Embodiment
Below in conjunction with the accompanying drawings, technical scheme is specifically described.
The electric current follow-up control method of inverter in a kind of multiple-energy-source Ship Electrical Power System of the present invention, this method is applied to
The multiple-energy-source ship AC electric power systems constituted with solar energy, diesel-driven generator and energy-storage system, i.e., send out inverter and diesel oil
Motor parallel is connected, and is ship load supplying, and inverter is operated in independent operating and two kinds of moulds of diesel-driven generator parallel running
Formula, i.e.,：When inverter independent operating, it is constant voltage constant frequency to control network of ship voltage, and now inverter is equivalent to voltage source；When
When inverter and diesel-driven generator parallel running, inverter realize to network of ship reactive power compensation, band unbalanced load and
Load harmonic current function is provided, diesel-driven generator three-phase power balance, inverter output voltage exports electricity by diesel-driven generator
Pressure determines that now inverter is equivalent to current source.
Implementation process of the present invention is told about in detail below.
Using control method of the present invention photovoltaic DC-to-AC converter while realization and diesel-driven generator parallel running, is improved
The network of ship quality of power supply and diesel-driven generator utilization rate.Solar panel and energy-storage system are simultaneously connected in inverter input
Side, in ship alternating current net side, inverter and diesel-driven generator parallel running are common to provide electric energy for ship load, such as Fig. 1 institutes
Show.Ship AC network links together diesel-driven generator, inverter and three parts of load, and diesel-driven generator output currenti GWith inverter output currenti OSum is equal to load currenti L。
The electric current follow-up control method of inverter is applied to ship inverter in the multiple-energy-source Ship Electrical Power System of the present invention
With under diesel-driven generator parallel running electric power thus supplied, inverter can be operated in independent operating, with diesel-driven generator parallel running two
Plant mode of operation.When inverter independent operating, passive inverter state is operated in, inverter control target is holding line voltage
For constant voltage constant frequency, and with strong load capacity；When inverter and diesel-driven generator parallel running, inverter will too except realization
Sun can be incorporated to outside the basic function of network of ship, can also be realized to power network reactive power compensation, band unbalanced load, be provided load
Three functions of harmonic current, only by taking a phase as an example, diesel-driven generator output currenti G, photovoltaic DC-to-AC converter output currenti OWith load
Electric currenti LThe principle waveform of three is as shown in Fig. 2 wherein load currenti LIn contain a large amount of harmonic currents, diesel-driven generator output
Electric currenti GFor a part of fundamental current needed for load, and inverter output currentiO, which is removed, includes remaining fundamental current needed for load
Outside, also comprising whole harmonic currents needed for load.
The structured flowchart of present invention control circuit, as shown in figure 3, when it includes inverter with diesel-driven generator parallel running
Voltage reference generator, voltage controller, two choosings when current reference generator, load harmonic generator, inverter independent operating
One switch, current controller, Three-phase SPWM and three-phase inverter part, and the control method and control parameter of A, B, C three-phase are complete
It is complete consistent.The selection of inverter independent operating and two kinds of mode of operations of diesel-driven generator parallel running is by either-or switch
Different current references is selected to realize, and 3 either-or switch are to be selected by identical trigger signal come implementation pattern
It is synchronous.When inverter independent operating, voltage reference generator produces three-phase reference voltageu rA、u rB、u rC, and respectively with inversion
Device output voltageu A、u B、u CCompare, its voltage error feeding voltage controller, the output of voltage controller passes through selection respectively
After switch, the reference current exported as three-phase inverteri rA、i rB、i rC, three reference currents respectively with inverter output currenti A、i B、i CAfter relatively, its current error is re-fed into current controller, the output of current controlleru eA、u eB、u eCI.e. as
SPWM three-phase modulations ripple, produces the duty cycle signals needed for three-phase inverterd A、d B、d C, it is voltage x current now to control circuit
Double closed-loop control system, realizes the constant voltage constant frequency of inverter output, and inverter is equivalent to voltage source；When inverter and diesel generation
During machine parallel running, current reference generator produces the base that three-phase inverter exports fundamental current respectively with load harmonic generator
Quasi- electric current、、With the reference current of load harmonic current, after two parts electric current is each added, respectively
The reference current exported by selecting switch as three-phase inverteri rA、i rB、i rC, schematic block circuit diagram below and inverter
It is identical during independent operating, no longer repeat, now control circuit to constitute current close-loop control system, realize the perseverance of inverter output
Stream, inverter output voltage determines that inverter is equivalent to current source by diesel-driven generator output voltage.
, will except realization using the inverter of control circuit of the present invention when inverter and diesel-driven generator parallel running
Solar energy is incorporated to outside the basic function of network of ship, can also be realized to power network reactive power compensation, band unbalanced load, be provided negative
Carry three functions of harmonic current, diesel-driven generator three-phase power balance.Wherein, it is by given inverse to power network reactive power compensation
Become the value of device active power of output and reactive power to determine that the method for output current a reference value is realized；Band unbalanced load passes through
A, B, C three-phase current individual-phase control is realized, is controlled per phase current relatively independent；And the realization of load harmonic current is humorous by loading
Wave producer is realized.
Inverter output current benchmark principle when inverter of the present invention is with diesel-driven generator parallel running is as shown in figure 4, each
Phase current reference signal（i rA、i rB、i rC）Generation be by each phase fundamental current benchmark（、、）With load harmonic current
（i hA、i hB、i hC）It is added and obtains.Fundamental current benchmark（、、）Generation principle be：By the alternate difference power of inverter with bearing
Alternate difference power identical principle is carried, active power is given by inverterP INVWith reactive powerQ INVAnd the load three detected
Phase active power（P LA、P LB、P LC）With reactive power（Q LA、Q LB、Q LC）, establish formula（1）To determine inverter active power
Benchmark（）With reactive power reference（）, then pass through the detection of line voltage virtual value
It is determined that every current effective value, combines the frequency locked to line voltage and voltage is obtained after phase afterwardsfWith each phase phaseφInformation
Afterwards, sine wave generator is passed through, you can realize three-phase fundamental current benchmark（、、）；
Formula（1）
Formula（1）InP L、Q LRespectively load active power, reactive power, i.e.,P L=P LA+P LB+P LC、Q L=Q LA+Q LB+Q LC。
Load harmonic current shown in Fig. 4 of the present invention（i hA、i hB、i hC）Generation principle be：Load current（i LA、i LB、i LC）By obtaining fundamental current after active power filtering（i fA、i fB、i fC）, then subtract each other with load current, you can obtain harmonic current base
It is accurate（i hA、i hB、i hC）.The harmonic current benchmark is added with fundamental current benchmark respectively again, you can obtain the benchmark of each phase current,
It is achieved thereby that harmonic compensation function of the inverter to load current.
Inverter output voltage benchmark principle is as shown in figure 5, phase-lock-ring output frequency during inverter independent operating of the present inventionf
With frequency referencef rVoltage reference frequency values are determined by model selection, afterwards with each phase phase angle of phaselocked loop and given voltage benchmark
Virtual valueU rSine wave generator is sent into together, you can realize each phase voltage benchmark（u rA、u rB、u rC）.In order to realize inverter from
Parallel running to independent operating seamless switching, voltage reference need voltage reference is estimated in inverter parallel
Meter, therefore during inverter parallel, each phase voltage benchmark（u rA、u rB、u rC）Frequency, phase take carve with phase locking unit export
Frequency, each phase phase are consistent, could be minimum in influence of the switching moment to power network, realize seamless switching.When inverter is independent
After operation, the frequency of voltage reference isf r, so as to ensure the constant frequency characteristic of line voltage.
Multifunctional inverter electric current follow-up control method of the present invention is based on ship energy saving environmental requirement, by power electronics
Power conversion technology is applied in ship new energy power generation technology, according to Ship Electrical Power System heavy load, close coupling feature, will be had
Source is combined with passive inverter technology, solves inversion transformation technique key issue in multiple-energy-source Ship Electrical Power System, improves power supply quality.
Inverter is Multifunctional inverter, except realize direct current to alternating current power conversion in addition to, can also be uneven as threephase load
Compensator, Shunt, reactive-load compensator, this method is applied to will be to power equipment volume on inverter
With being had broad application prospects on the weight demands extremely electric ship of harshness.
Above is presently preferred embodiments of the present invention, all changes made according to technical solution of the present invention, produced function is made
During with scope without departing from technical solution of the present invention, protection scope of the present invention is belonged to.
Claims (3)
1. the electric current follow-up control method of inverter in a kind of multiple-energy-source Ship Electrical Power System, this method be applied to solar energy,
The multiple-energy-source ship AC electric power systems of diesel-driven generator and energy-storage system composition, i.e., it is inverter is in parallel with diesel-driven generator even
Connect, be ship load supplying, it is characterised in that：Inverter is operated in independent operating and two kinds of moulds of diesel-driven generator parallel running
Formula, i.e.,：When inverter independent operating, it is constant voltage constant frequency to control network of ship voltage, and now inverter is equivalent to voltage source；When
When inverter and diesel-driven generator parallel running, inverter realize to network of ship reactive power compensation, band unbalanced load and
Load harmonic current function is provided, diesel-driven generator three-phase power balance, inverter output voltage exports electricity by diesel-driven generator
Pressure determines that now inverter is equivalent to current source, inverter independent operating and two kinds of mode of operations of diesel-driven generator parallel running
Selection be to select different current references to realize by either-or switch；
When inverter independent operating, the detailed process of the inverter control method is as follows,
S11：Voltage reference generator produces three-phase reference voltage urA、urB、urC, and respectively with inverter output voltage uA、uB、uC
Compare, its voltage error feeding voltage controller, the output of voltage controller respectively by selecting switch after, you can obtain inverse
Become the benchmark i of device A, B, C three-phase currentrA、irB、irC,；
S12：By three reference currents respectively with inverter output current iA、iB、iCAfter relatively, its current error is re-fed into electricity
Stream controller, it exports ueA、ueB、ueCI.e. as SPWM three-phase modulations ripple, the duty cycle signals needed for three-phase inverter are produced
dA、dB、dC, realize the Double closed-loop of voltage and current of inverter；
When inverter and diesel-driven generator parallel running, inverter is realized to network of ship band unbalanced load and provides load
The detailed process of the inverter control method of harmonic current function is as follows,
The inverter realizes that detailed process of the network of ship with unbalanced load is as follows,
S21：Inverter A, B, C three-phase current individual-phase control, and control is relatively independent per phase current；
S22：By the way that with loading the method with identical difference power, inverter active power benchmark is determined by formula (1)With reactive power reference
P in formulaLA、PLB、PLC、PL=PLA+PLB+PLCRespectively load A, B, C three phase power and general power, PInv、QInvFor inverter
Give active and reactive power；
S23：The active power benchmark obtained by step S22With reactive power reference With reference to right
The frequency f and phase of voltage are obtained after network of ship voltage lock phaseInformation, obtains A, B, C three-phase fundamental current benchmarkInverter realizes band unbalanced load ability；
The detailed process that the inverter is embodied as network of ship offer load harmonic current is as follows,
S24：Load current iLA、iLB、iLCBy obtaining fundamental current i after active power filteringfA、ifB、ifC, by fundamental current ifA、ifB、
ifCAgain with load current iLA、iLB、iLCSubtract each other, you can obtain harmonic current benchmark ihA、ihB、ihC；
S25：The harmonic current benchmark i that step S24 is obtainedhA、ihB、ihCRespectively with step S23 fundamental current benchmarkIt is added, you can obtain the benchmark i of inverter A, B, C three-phase currentrA、irB、irC。
2. the electric current follow-up control method of inverter, its feature in multiple-energy-source Ship Electrical Power System according to claim 1
It is：When inverter and diesel-driven generator parallel running, it is logical to network of ship reactive power compensation that the inverter, which is realized,
The value of given inverter active power of output and reactive power is crossed to determine that the method for output current a reference value is realized.
3. the electric current follow-up control method of inverter, its feature in multiple-energy-source Ship Electrical Power System according to claim 1
It is：When inverter and diesel-driven generator parallel running, under three-phase power imbalance loading condition, generator output three-phase
Balance power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510256793.8A CN104810855B (en) | 2015-05-20 | 2015-05-20 | The electric current follow-up control method of inverter in multiple-energy-source Ship Electrical Power System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510256793.8A CN104810855B (en) | 2015-05-20 | 2015-05-20 | The electric current follow-up control method of inverter in multiple-energy-source Ship Electrical Power System |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104810855A CN104810855A (en) | 2015-07-29 |
| CN104810855B true CN104810855B (en) | 2017-09-29 |
Family
ID=53695459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510256793.8A Active CN104810855B (en) | 2015-05-20 | 2015-05-20 | The electric current follow-up control method of inverter in multiple-energy-source Ship Electrical Power System |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104810855B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3176901A1 (en) * | 2015-12-01 | 2017-06-07 | DET International Holding Limited | Controller for a multiphase inverter |
| CN106816874B (en) * | 2016-01-28 | 2024-02-27 | 上海冠图电气科技有限公司 | Ship shore power system based on alternating current-direct current composite power grid and power supply method |
| CN111106624B (en) * | 2019-12-31 | 2024-02-13 | 郑州众智科技股份有限公司 | Method for connecting generator set and inverter power supply in parallel |
| CN111900764B (en) * | 2020-08-07 | 2021-09-28 | 中国矿业大学 | Modulation current sharing method for modular three-phase five-level current type grid-connected inverter |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103929115A (en) * | 2014-04-22 | 2014-07-16 | 武汉理工大学 | Grid-connection and off-grid double-mode ship solar power generating system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5581510B2 (en) * | 2010-02-12 | 2014-09-03 | 寺崎電気産業株式会社 | Solar power system |
-
2015
- 2015-05-20 CN CN201510256793.8A patent/CN104810855B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103929115A (en) * | 2014-04-22 | 2014-07-16 | 武汉理工大学 | Grid-connection and off-grid double-mode ship solar power generating system |
Non-Patent Citations (2)
| Title |
|---|
| 船舶太阳能发电并网控制研究;于大疆;《中国优秀硕士学位论文全文数据库》;20150415;第6-9页、第20-28页 * |
| 船舶并网逆变器控制策略的研究;李永辉;《中国优秀硕士学位论文全文数据库》;20150315;第8页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104810855A (en) | 2015-07-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101295877B (en) | Control system of offshore wind power flexible DC power transmission current transformer | |
| CN103683517B (en) | A kind of mixed energy storage system being applied to micro-capacitance sensor | |
| US8698335B2 (en) | Low cost current source converters for power generation application | |
| Esmaili | Application of advanced power electronics in renewable energy sourcesand hybrid generating systems | |
| CN106887847B (en) | A kind of micro-capacitance sensor and its operation method of the control of variable frequency transformer direct load | |
| CN105620706B (en) | Watercraft electric propulsion system with harmonics restraint and regenerative braking function and control method | |
| CN104810855B (en) | The electric current follow-up control method of inverter in multiple-energy-source Ship Electrical Power System | |
| CN105977984B (en) | Frequency conversion main power source Ship Power Station | |
| CN108599272A (en) | Ship integrated power system experiment porch based on multiple-energy-source and hybrid energy-storing technology | |
| CN104539182A (en) | Five-level neutral-point clamping type inverter topology with self-balance auxiliary bridge arm | |
| CN102647135B (en) | Method for applying matrix converter to excitation at starting period of three-level synchronous motor | |
| CN106130072A (en) | A kind of have bank electricity and the composite power source of energy feedback function | |
| CN103259476B (en) | Frequency conversion alternating current generation system control method with voltage harmonic suppression function | |
| CN105871242A (en) | Single-phase bidirectional converter control system | |
| CN109728581A (en) | A kind of composite energy router and control method | |
| CN105927460A (en) | Active-inverter-based offshore wave energy grid-connected power generation system and control method | |
| CN104378034B (en) | The operation control system of brushless ac compound rectifier excitation brshless DC motor | |
| CN103166234B (en) | Single phase grid-connected inverter reactive output control method | |
| Wu | Novel circuit configuration for compensating for the reactive power of induction generator | |
| CN104821650B (en) | Ship photovoltaic inverter voltage vector orientation current servo control method | |
| CN107546996A (en) | A kind of modulator approach of the three-level current transformer of gamut neutral-point potential balance | |
| CN206807012U (en) | A kind of micro-capacitance sensor of variable frequency transformer direct load control | |
| Goel et al. | Parallel operation of permanent magnet generators in autonomous wind energy conversion system | |
| Singh et al. | Power control in centralized distributed AC load for wind energy system | |
| CN111276959A (en) | Direct-current micro-grid power coordination control method based on double-fed wind power generation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |