CN107069822A - A kind of rural area distributed photovoltaic vanadium liquid battery energy storage micro-grid system and control method - Google Patents
A kind of rural area distributed photovoltaic vanadium liquid battery energy storage micro-grid system and control method Download PDFInfo
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- CN107069822A CN107069822A CN201710346130.4A CN201710346130A CN107069822A CN 107069822 A CN107069822 A CN 107069822A CN 201710346130 A CN201710346130 A CN 201710346130A CN 107069822 A CN107069822 A CN 107069822A
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- 238000004146 energy storage Methods 0.000 title claims abstract description 76
- 229910052720 vanadium Inorganic materials 0.000 title claims abstract description 63
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 239000007788 liquid Substances 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims description 25
- 239000003792 electrolyte Substances 0.000 claims description 20
- 230000005611 electricity Effects 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 15
- 239000000523 sample Substances 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000010248 power generation Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000750002 Nestor Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 230000007773 growth pattern Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- H02J3/383—
-
- 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
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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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
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
A kind of rural area distributed photovoltaic vanadium liquid battery energy storage micro-grid system, including：Vanadium redox flow battery energy storage unit, current-variable controller, photovoltaic generation unit, inverter controller, mains-supplied unit, master controller and user load unit；It is characterized in that photovoltaic generation unit output direct current power has two-way, direct current power is fed directly to the direct current power input port of master controller and combined with vanadium redox flow battery energy storage unit all the way, composition photovoltaic energy storage loop；Another road direct current power is connected with inverter controller, and industrial-frequency alternating current is exported after inverter commutation inversion, and the alternating electromotive force input port that the industrial-frequency alternating current is delivered to master controller by generating ammeter is combined with family with load unit, constitutes photovoltaic energy supply loop.
Description
Technical field
The present invention relates to photovoltaic microgrid system, and in particular to a kind of rural area distributed photovoltaic vanadium liquid battery energy storage micro-capacitance sensor
System and control method.
Background technology
Distributed photovoltaic power generation is refered in particular to use photovoltaic module, and solar energy is converted directly into the distributed power generation system of electric energy
System.It is a kind of new, tool generating with broad prospects for development and comprehensive utilization of energy mode, and it is advocated generates electricity nearby, just
It is near grid-connected, change nearby, the principle used nearby can not only effectively improve the generated energy of same size photovoltaic plant, simultaneously
Also efficiently solve the problems, such as loss of the electric power in boosting and long-distance transport.
The distributed photovoltaic power generation of China comes into the popularization stage, and distributed photovoltaic hair occurs in succession in whole nation each province at present
The National Energy Board in year October of electric preferential policy, particularly 2014 and national poverty alleviation center complex send photovoltaic help-the-poor policy, make
This high-tech technology of photovoltaic generation comes into common people house or even benefits Rural Poverty Population, and distributed photovoltaic power generation can be rapid
It is promoted and applies.But with the rapid growth of rural area distributed photovoltaic system, rural area distributed photovoltaic power generation highlight with
Under problem urgently to be resolved hurrily：
1st, influence is produced on Electric Power Network Planning.Distributed photovoltaic it is grid-connected, increase the load prediction difficulty of its region, change
Existing load growth pattern.The access of substantial amounts of distributed photovoltaic power, making the transformation and management of power distribution network becomes more
It is complicated.
2nd, rural power grids are very fragile, and particularly current empty nestor and children are in the majority, and daytime, power consumption was limited, and white
It is the main period of time of photovoltaic generation again, and photovoltaic generation can raise user side voltage, not only influences photovoltaic efficiency may be used also
Electrical equipment can be caused to damage.
3rd, influence is produced on the quality of power supply.The material impact of distributed photovoltaic access is to cause the voltage's distribiuting on feeder line to change
Become, its size influenceed and access capacity, on-position are closely related.Photovoltaic generation is general to access power network by inverter, this
Frequently turning on and off for class power electronic devices, easily produces harmonic pollution in electric power net.
4th, traditional distributed photovoltaic micro-grid system, can only see the situation of power station generating, and can not be according to live real
The illumination condition on border, temperature conditionss make the response of generating maximal efficiency, want to keep the high efficiency of distributed photovoltaic power generation
Cleaning is carried out to power station, small-sized household power station does not have power station detecting system, it is difficult to be safeguarded in time to power station, influenceed
Photovoltaic efficiency.
The content of the invention
The invention aims to solve photovoltaic system inefficiency present in above-mentioned prior art, electric network pollution is tight
Weight and improve rural power service quality, it is desirable to provide a kind of from energy storage, high efficiency, low environmental cost, intelligent control, power-off preemergency
Rural area distributed photovoltaic intelligent micro-grid energy supply system.
In order to realize foregoing invention purpose, the present invention proposes a kind of rural area distributed photovoltaic vanadium liquid battery energy storage micro-capacitance sensor
System and control method, including：Vanadium redox flow battery energy storage unit, current-variable controller, photovoltaic generation unit, inverter controller, city
Electric power supply unit, master controller and user load unit；Photovoltaic generation unit output direct current power has two-way, all the way direct current power
The direct current power input port for being fed directly to master controller is combined with vanadium redox flow battery energy storage unit, is constituted photovoltaic energy storage and is returned
Road；Another road direct current power is connected with inverter controller, and industrial-frequency alternating current is exported after inverter commutation inversion, the industrial frequency AC
The alternating electromotive force input port that electricity is delivered to master controller by generating ammeter is combined with family with load unit, constitutes photovoltaic energy supply
Loop.
The electric power output of master controller has two, is DC output end all the way, the direct current output port and current-variable controller phase
Even, charged by the rectification of current-variable controller, filtering, Regulation Control Hou Gai road direct current powers to vanadium flow battery system, light
The some electrical power that volt generates electricity is stored into vanadium flow battery, by photovoltaic generation unit, vanadium redox flow battery energy storage unit, Variable flow control
Device, master controller constitute the charging power loop of vanadium redox flow battery energy storage system；
Wherein, the DC output end of vanadium flow battery current-variable controller is connected with the direct-flow input end of inverter controller, through inversion
Industrial-frequency alternating current is exported after device commutation inversion, the industrial-frequency alternating current is fed directly to the ac input end mouthful of master controller, passes through
Master controller is connected with user load unit, by vanadium redox flow battery energy storage unit, current-variable controller, inverter controller, main control
Device and user load unit constitute the energizing power loop of vanadium redox flow battery energy storage system.
Another road electric power output of master controller is industrial-frequency alternating current electric power, the circuit AC output end and user load list
Member is connected and mains-supplied unit is connected, and the road electric power is by photovoltaic generation unit, inverter controller, master controller and user load
Unit constitutes energizing power loop；Wherein, in the loop as photovoltaic generation unit has unnecessary generation power, the excrescent electric power is led to
Cross after main controller controls and be fed to the utility grid of mains-supplied unit.
The power input end of master controller is connected with civil power power input end, and the road electric power is by mains-supplied unit, master
Controller, user load unit constitute energizing power loop.
Described vanadium redox flow battery energy storage unit, it is characterised in that energy-storage units include both positive and negative polarity electrolyte reservoir, pile,
Radiator, electrolyte circulating pump and current-variable controller, both positive and negative polarity electrolyte have temperature sensor, temperature sensor and unsteady flow control
Device processed is connected, and temperature information feeds back to master controller by current-variable controller, and master controller controls to radiate according to electrolyte temperature
The unlatching and stoppage in transit of device, to improve energy-storage units efficiency；Circulating pump has speed probe, speed probe and current-variable controller phase
Even, the rotary speed information of circulating pump is fed back to master controller by current-variable controller, and master controller is according to the electricity consumption of user load unit
Load adjusts electrolyte circulating pump rotating speed, controls flow of electrolyte, to improve energy-storage units efficiency.
A kind of control method of rural area distributed photovoltaic vanadium liquid battery energy storage micro-grid system mainly has following control process：
A, photovoltaic generation power supply process：When daytime, photovoltaic generation unit generated electricity, master controller detects user load cell side first
Supply voltage, if load side voltage be less than master controller setting value, master controller connect inverter controller, by photovoltaic generation
Unit, inverter controller, master controller are powered to user load unit, the electric power network of feeding after unnecessary electricity inversion；If
Load side voltage is higher than master controller setting value, and master controller disconnects the power supply circuit of inverter controller, merges vanadium flow battery
The charge circuit of energy-storage units, from photovoltaic generation unit, current-variable controller, vanadium redox flow battery energy storage unit, master controller to storage
Can system power supply.
B, vanadium redox flow battery energy storage unit power supply process：When night photovoltaic generation unit does not generate electricity, main controller controls connect
Logical loop between current-variable controller and inverter controller, disconnects inverter controller and photovoltaic generating system loop, prevents energy storage electricity
Power is played a reversed role to photovoltaic generation unit, and master controller detects the supply voltage of user load cell side, and adaptively adjusts inversion control
Device output voltage processed, makes user's load unit preferentially use energy-storage units electric power.
C, mains-supplied process：Mains-supplied process is full-time power supply, master controller connection civil power power circuit, master control
Device processed surveys the supply voltage of user load cell side, and master controller adjusts the output electricity of inverter controller according to load side voltage
Pressure, realizes the priority level of photovoltaic power supply, energy storage for power supply and mains-supplied.
Beneficial effects of the present invention：
1st, it efficiently solves existing rural area distributed photovoltaic power generation and dissolved difficulty, abandons optical phenomenon problem, realizes solar power generation system
The high efficiency of system；
2nd, using vanadium redox flow battery energy storage system, the possibility of Large Copacity energy storage and big multiplying power discharging is realized, intelligent micro-grid is met
It is required that, it is that intelligent micro-grid application is taken a firm foundation；
3rd, reduce distributed photovoltaic power generation and influence is produced on the power network quality of power supply.Large-capacity vanadium battery energy-storage system is just as one
Cistern is the same, and the effect of peak clipping Pinggu is played to power network, and positive role is played in the normal operation to power network；
4th, vanadium cell energy storage micro-grid system, under outer net power-off condition, can play preemergency effect, and this is also to solve rural area electricity
The unstable pith often having a power failure of net, while also greatly improving the application efficiency of photovoltaic generating system.
Brief description of the drawings
Fig. 1 is a kind of rural area distributed photovoltaic vanadium liquid battery energy storage micro-grid system of the invention and control method structural representation
Figure；
Fig. 2 is a kind of rural area distributed photovoltaic vanadium liquid battery energy storage micro-grid system and control method vanadium flow battery storage of the invention
Can cellular construction schematic diagram；
1st, vanadium redox flow battery energy storage unit, 11, vanadium cell pile, 12, electrolyte circulating pump, 13, circulating pump speed probe,
14, heat exchanger, 15, electrolyte temperature sensor, 16, electrolyte reservoir, 2, current-variable controller, 3, photovoltaic generation unit, 4, inverse
Become controller, 5, mains-supplied unit, 6, master controller, 7, user load unit, 8, generating ammeter.
Embodiment
It is further explanation of the present invention with reference to Fig. 1, Fig. 2 and the following example, the present invention is not constituted and appointed
What is limited.
Refering to Fig. 1, the present invention proposes a kind of rural area distributed photovoltaic vanadium liquid battery energy storage micro-grid system and controlling party
Method, including：Vanadium redox flow battery energy storage unit 1, current-variable controller 2, photovoltaic generation unit 3, inverter controller 4, mains-supplied list
Member 5, master controller 6 and user load unit 7；The output direct current power of photovoltaic generation unit 3 has two-way, and direct current power is direct all the way
The direct current power input port for being delivered to master controller 6 is combined with vanadium redox flow battery energy storage unit 1, constitutes photovoltaic energy storage loop；
Another road direct current power is connected with inverter controller 4, and industrial-frequency alternating current is exported after inverter commutation inversion, the industrial-frequency alternating current
The alternating electromotive force input port for delivering to master controller 6 by generating ammeter defeated 8 is combined with family load unit 7, is constituted photovoltaic and is supplied
Can loop.
The electric power output of master controller 6 has two, is DC output end all the way, the direct current output port and current-variable controller 2
It is connected, is charged by the rectification of current-variable controller 2, filtering, Regulation Control Hou Gai road direct current powers to vanadium flow battery system 1,
The some electrical power of photovoltaic generation is stored into vanadium flow battery, by photovoltaic generation unit 3, vanadium redox flow battery energy storage unit 1, become
Stream controller 2, master controller 6 constitute the charging power loop of vanadium redox flow battery energy storage system；
Wherein, the DC output end of vanadium flow battery current-variable controller 2 is connected with the direct-flow input end of inverter controller 4, through inverse
Industrial-frequency alternating current is exported after becoming device commutation inversion, the industrial-frequency alternating current is fed directly to the ac input end mouthful of master controller 6, leads to
Master controller 6 is crossed to be connected with user load unit, by vanadium redox flow battery energy storage unit 1, current-variable controller 2, inverter controller 4,
Master controller 6 and user load unit 7 constitute the energizing power loop of vanadium redox flow battery energy storage system.
Another road electric power output of master controller 6 is industrial-frequency alternating current electric power, the circuit AC output end and user load
Unit 7 is connected, and the road electric power constitutes confession by photovoltaic generation unit 3, inverter controller 4, master controller 6 and user load unit 7
Electric power circuit.Wherein, such as photovoltaic generation unit 3 has unnecessary generation power in the loop, and the excrescent electric power passes through main control
Device 6 is fed to the utility grid of mains-supplied unit 5 after controlling.
The power input end of master controller 6 is connected with civil power power input end, the road electric power by mains-supplied unit 5,
Master controller 6, user load unit 7 constitute energizing power loop.
Refering to Fig. 2, vanadium redox flow battery energy storage unit, including both positive and negative polarity electrolyte reservoir 16, pile 11, radiator 14, electricity
Liquid circulating pump 12 and current-variable controller 2 are solved, both positive and negative polarity electrolyte has temperature sensor 15, temperature sensor 15 and Variable flow control
Device 2 is connected, and temperature information feeds back to master controller 6 by current-variable controller 2, and master controller 6 controls to dissipate according to electrolyte temperature
The unlatching and stoppage in transit of hot device 14, to improve energy-storage units efficiency；Electrolyte circulating pump 12 has speed probe 13, speed probe
13 are connected with current-variable controller 2, and the rotary speed information of circulating pump is fed back to master controller 6, master controller 6 by current-variable controller 2
The rotating speed of electrolyte section circulating pump 12 is adjusted according to the power load of user load unit 7, to improve energy-storage units efficiency.
A kind of control method of rural area distributed photovoltaic vanadium liquid battery energy storage micro-grid system mainly has following control process：
A, photovoltaic generation power supply process：During 3 generating of photovoltaic generation unit on daytime, master controller 6 detects user load unit 7 first
The supply voltage of side, if load side voltage is less than the setting value of master controller 6, master controller 6 connects inverter controller 4, by light
Volt generator unit 3, inverter controller 4, master controller 6 are powered to user load unit 7, the electric power of feeding after unnecessary electricity inversion
Power network；If load side voltage is higher than the setting value of master controller 6, master controller 6 disconnects the power supply circuit of inverter controller 4, closes
And the charge circuit of vanadium redox flow battery energy storage unit 1, by photovoltaic generation unit 3, current-variable controller 2, vanadium redox flow battery energy storage list
Member 1, master controller 6 are powered to energy-storage system.
B, vanadium redox flow battery energy storage unit power supply process：When night photovoltaic generation unit does not generate electricity, the control of master controller 6 connects
Logical loop between current-variable controller 2 and inverter controller 4, disconnects inverter controller 2 and photovoltaic generating system loop, prevents energy storage
Electric power is played a reversed role to photovoltaic generation unit, the supply voltage of the side of the detection user load of master controller 6 unit 7, and is adaptively adjusted inverse
Become the output voltage of controller 4, user's load unit 7 is preferentially used energy-storage units electric power.
C, mains-supplied process：Mains-supplied process is full-time power supply, and the connection civil power power circuit of master controller 6 is main
Controller 6 surveys the supply voltage of the side of user load unit 7, and master controller 6 adjusts inverter controller according to load side voltage
Output voltage, realizes the priority level of photovoltaic power supply, energy storage for power supply and mains-supplied.
Although being disclosed by above example to the present invention, protection scope of the present invention is not limited thereto,
Under conditions of without departing from present inventive concept, deformation, replacement that each component is done to more than etc. will fall into the right of the present invention
In claimed range.
Claims (6)
1. a kind of rural area distributed photovoltaic vanadium liquid battery energy storage micro-grid system, including：Vanadium redox flow battery energy storage unit, unsteady flow control
Device processed, photovoltaic generation unit, inverter controller, mains-supplied unit, master controller and user load unit；It is characterized in that light
Volt generator unit output direct current power has two-way, and direct current power is fed directly to the direct current power input port of master controller all the way
Combined with vanadium redox flow battery energy storage unit, constitute photovoltaic energy storage loop；Another road direct current power is connected with inverter controller, through inverse
Industrial-frequency alternating current is exported after becoming device commutation inversion, the industrial-frequency alternating current is delivered to the alternating electromotive force of master controller by generating ammeter
Input port is combined with family with load unit, constitutes photovoltaic energy supply loop.
2. a kind of rural area distributed photovoltaic vanadium liquid battery energy storage micro-grid system according to claim 1, it is characterised in that
The electric power output of master controller has two, is DC output end all the way, and the direct current output port is connected with current-variable controller, by becoming
The rectification of stream controller, filtering, Regulation Control Hou Gai road direct current powers charge to vanadium flow battery system, the portion of photovoltaic generation
Electric power is divided to be stored into vanadium flow battery, by photovoltaic generation unit, vanadium redox flow battery energy storage unit, current-variable controller, main control
Device constitutes the charging power loop of vanadium redox flow battery energy storage system；
Another road electric power output of master controller is industrial-frequency alternating current electric power, the circuit AC output end and user load unit phase
Connect and mains-supplied unit is connected, the road electric power is by photovoltaic generation unit, inverter controller, master controller and user load unit
Constitute energizing power loop；Wherein, in the loop as photovoltaic generation unit has unnecessary generation power, the excrescent electric power passes through master
The utility grid of mains-supplied unit is fed to after controller control.
3. a kind of rural area distributed photovoltaic vanadium liquid battery energy storage micro-grid system according to claim 1 or 2, its feature exists
It is connected in the DC output end of vanadium flow battery current-variable controller with the direct-flow input end of inverter controller, it is inverse through inverter rectification
Industrial-frequency alternating current is exported after change, the industrial-frequency alternating current is fed directly to the ac input end mouthful of master controller, passes through master controller
It is connected with user load unit, by vanadium redox flow battery energy storage unit, current-variable controller, inverter controller, master controller and user
Load unit constitutes the energizing power loop of vanadium redox flow battery energy storage system.
4. a kind of rural area distributed photovoltaic vanadium liquid battery energy storage micro-grid system according to claim 1, it is characterised in that
The power input end of master controller is connected with civil power power input end, and the road electric power is by mains-supplied unit, master controller, use
Family load unit constitutes energizing power loop.
5. a kind of rural area distributed photovoltaic vanadium liquid battery energy storage micro-grid system according to claim 1, described vanadium liquid
Galvanic battery energy-storage units, it is characterised in that energy-storage units include both positive and negative polarity electrolyte reservoir, pile, radiator, electrolyte circulation
Pump and current-variable controller, both positive and negative polarity electrolyte have temperature sensor, and temperature sensor is connected with current-variable controller, temperature information
Master controller is fed back to by current-variable controller, master controller controls the unlatching and stoppage in transit of radiator according to electrolyte temperature, with
Improve energy-storage units efficiency；Circulating pump has speed probe, and speed probe is connected with current-variable controller, and current-variable controller handle is followed
The rotary speed information of ring pump feeds back to master controller, and master controller is followed according to the power load of user load unit to adjust electrolyte
Ring revolution speed, controls flow of electrolyte, to improve energy-storage units efficiency.
6. a kind of control method of rural area distributed photovoltaic vanadium liquid battery energy storage micro-grid system mainly has following control process：
A, photovoltaic generation power supply process：When daytime, photovoltaic generation unit generated electricity, master controller detects user load cell side first
Supply voltage, if load side voltage be less than master controller setting value, master controller connect inverter controller, by photovoltaic generation
Unit, inverter controller, master controller are powered to user load unit, the electric power network of feeding after unnecessary electricity inversion；If
Load side voltage is higher than master controller setting value, and master controller disconnects the power supply circuit of inverter controller, merges vanadium flow battery
The charge circuit of energy-storage units, from photovoltaic generation unit, current-variable controller, vanadium redox flow battery energy storage unit, master controller to storage
Can system power supply；
B, vanadium redox flow battery energy storage unit power supply process：When night photovoltaic generation unit does not generate electricity, main controller controls connection becomes
Loop between stream controller and inverter controller, disconnects inverter controller and photovoltaic generating system loop, prevents that energy storage electric power is anti-
String to photovoltaic generation unit, master controller detects the supply voltage of user load cell side, and adaptively adjusts inverter controller
Output voltage, makes user's load unit preferentially use energy-storage units electric power；
C, mains-supplied process：Mains-supplied process is full-time power supply, master controller connection civil power power circuit, master controller
The supply voltage of user load cell side is surveyed, master controller adjusts the output voltage of inverter controller according to load side voltage,
Realize the priority level of photovoltaic power supply, energy storage for power supply and mains-supplied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710346130.4A CN107069822A (en) | 2017-05-17 | 2017-05-17 | A kind of rural area distributed photovoltaic vanadium liquid battery energy storage micro-grid system and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710346130.4A CN107069822A (en) | 2017-05-17 | 2017-05-17 | A kind of rural area distributed photovoltaic vanadium liquid battery energy storage micro-grid system and control method |
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| CN107069822A true CN107069822A (en) | 2017-08-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110932305A (en) * | 2018-09-19 | 2020-03-27 | 漳浦比速光电科技有限公司 | Voltage regulating device for photovoltaic power generation and use method thereof |
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2017
- 2017-05-17 CN CN201710346130.4A patent/CN107069822A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110932305A (en) * | 2018-09-19 | 2020-03-27 | 漳浦比速光电科技有限公司 | Voltage regulating device for photovoltaic power generation and use method thereof |
| CN110932305B (en) * | 2018-09-19 | 2023-12-22 | 北京建安华丰建设集团有限公司 | Voltage regulating device for photovoltaic power generation and application method thereof |
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