CN109617104A - Grid control method is filled in a kind of storage of light - Google Patents
Grid control method is filled in a kind of storage of light Download PDFInfo
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- CN109617104A CN109617104A CN201811496607.8A CN201811496607A CN109617104A CN 109617104 A CN109617104 A CN 109617104A CN 201811496607 A CN201811496607 A CN 201811496607A CN 109617104 A CN109617104 A CN 109617104A
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- 238000003860 storage Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000004146 energy storage Methods 0.000 claims abstract description 52
- 238000010248 power generation Methods 0.000 claims description 17
- 230000005611 electricity Effects 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 12
- 230000008901 benefit Effects 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000014759 maintenance of location Effects 0.000 abstract description 3
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Classifications
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- 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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- H02J3/383—
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- 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
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
- H02J3/48—Controlling the sharing of the in-phase component
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a kind of storages of light to fill microgrid control method, photovoltaic generating system is connected on DC bus by DC/DC converter, energy-storage system is connected on DC bus by two-way DC/DC, power distribution network is connected on DC bus by two-way DC/AC converter, it is filled in micro-grid system in light storage, piconet controller passes through CAN bus and photovoltaic generating system, energy-storage system, power distribution network and charging load connection acquisition microgrid each unit operating status and information about power, it exports control signal and is respectively acting on DC/DC converter, two-way DC/DC converter and two-way DC/AC converter.The present invention can be improved the economic benefit and environmental benefit during charging station construction operation.
Description
Technical field
The present invention relates to light storages to fill micro-capacitance sensor control field, and in particular to grid control method is filled in a kind of storage of light.
Background technique
It is called for the society of response " environmentally friendly, energy conservation type ", electric car comes into being, greatly develops, because
Secondary, needing to establish charging station is that electric car improves power resources.Match currently, establishing large and medium-sized charging station and requiring to build around
Power grid provides electric energy for charging pile.And user's charging time has uncertainty, so that power distribution network is not easy to manage, it may
It is more difficult to dispatching of power netwoks, or cause voltage ripple of power network etc.;Meanwhile charging station electric energy is mostly from fossil fuel power,
Carbon discharge capacity does not significantly reduce, and environmental pressure is still very big.But if generation of electricity by new energy can be increased in electric power demand side,
That is micro-grid system is filled in light storage, and the above problem can be effectively relieved.
It mainly includes photovoltaic generating system that micro-grid system is filled in light storage, photovoltaic combining inverter, energy-storage system, and energy storage is two-way
DC/DC converter, electric automobile charging pile;Photovoltaic generation unit passes through as the main generator unit of system, institute's generated energy a part
Gird-connected inverter imports power grid, supplies charging pile, and redundance is stored in energy-storage battery by energy storage converter.When photovoltaic was contributed
When surplus or charging vehicle is less, charge to energy-storage battery;When photovoltaic undercapacity or charging load increase, energy-storage battery
Electric discharge improves electricity for load.
It being filled in micro-capacitance sensor in light storage, photovoltaic generating system is as main energy source, and electric car is as main loads, and two
Person all has randomness and uncertainty, and to meet the workload demand that charges, micro-capacitance sensor needs to be incorporated into the power networks in if necessary.But
It is that micro-grid connection operation is necessarily affected to power distribution network operation, how not only meets charging power load demand, but also energy
Enough improve power distribution network operation conditions, achieve the purpose that the peak load that disappears, is the main problem that light storage fills that micro-capacitance sensor control aspect faces.
Summary of the invention
The purpose of the present invention is to provide a kind of storages of light to fill grid control method, to overcome of the existing technology ask
Topic, the present invention can satisfy the load electric energy demand that charges in charging station, meanwhile, it reduces large-scale charging station operation and power distribution network is caused
Pressure, promote Photovoltaic new energy effective use nearby, can be improved economic benefit and ring during charging station construction operation
Border benefit.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
Grid control method is filled in a kind of storage of light, fills micro-net control device using light storage, microgrid control dress is filled in the light storage
Set including be connected on DC bus by DC/DC converter photovoltaic generating system, be connected to by two-way DC/DC converter
It energy-storage system on DC bus, the power distribution network being connected on DC bus by two-way DC/AC converter and is directly connected to
Charging load on DC bus;Photovoltaic generating system, energy-storage system, power distribution network and charging load are connected to microgrid control
Device, the output end of piconet controller are connected to DC/DC converter, two-way DC/DC converter and two-way DC/AC converter;
The piconet controller includes detecting for acquiring the photovoltaic generation power of photovoltaic power generation system output power in real time
Unit, the energy storage device SOC detection unit for acquiring energy-storage system remaining capacity in real time are run for acquiring power distribution network in real time
The grid load curve acquisition unit of state and load curve and charging for acquiring each charging load output power in real time
Workload demand power detecting unit, the photovoltaic generation power detection unit, energy storage device SOC detection unit, network load are bent
Line acquisition unit and the output end for the workload demand power detecting unit that charges are connected to control decision device, and control decision device passes through
Output interface is connected to DC/DC converter, two-way DC/DC converter and two-way DC/AC converter.
Light storage fill microgrid control method the following steps are included:
Step 1: the initial parameter of t moment: photovoltaic power generation system output power Ps, energy-storage system is inputted to control decision device
Remaining capacity Pb, charging workload demand power P l and system loss Δ P;
Step 2: judging whether photovoltaic power generation system output power and energy-storage system remaining capacity are able to satisfy charging load and need
Power is sought, if the sum of photovoltaic power generation system output power and energy-storage system remaining capacity are greater than charging workload demand power and system
The sum of loss power, i.e. Ps+Pb > Pl+ Δ P then judge whether micro-grid system has photovoltaic output again, that is, enter step 3;
If the sum of photovoltaic power generation system output power and energy-storage system remaining capacity are less than or equal to charging workload demand power
The sum of with system loss power, i.e. Ps+Pb≤Pl+ Δ P, then to control decision device input current time distribution Running State and
Load curve controls micro-grid system from power distribution network power purchase, supply charging load if power distribution network is in the load valley period;If
Power distribution network is in the load peak period, then controls charging load and orderly charge, terminate;
Step 3: if there is photovoltaic output, i.e., micro-grid system be in daytime operation, then judge again energy-storage system whether Full Charge Capacity,
If energy-storage system is not full of, charged to energy-storage system until being full of;If energy-storage system has expired electricity, extra electricity is supplied
Power distribution network;
If exporting without photovoltaic, i.e., micro-grid system is in night operation, then inputs current time distribution to control decision device
Running State and load curve control micro-grid system from power distribution network power purchase if power distribution network is in the load valley period, until
Energy-storage system is full of;If power distribution network is in the load peak period, the extra electricity that system is issued supplies power distribution network.
Further, the charging load is electric automobile charging pile.
Further, photovoltaic generating system, energy-storage system, power distribution network and charging load are connected to micro- by CAN bus
Net controller.
Compared with prior art, the invention has the following beneficial technical effects:
The present invention fills micro grid control system as light storage, includes information collection and control decision, can control light storage and fill
Micro-capacitance sensor smoothly utilizes photovoltaic power generation to export, and so that entire light storage is filled micro-capacitance sensor with power controllability and schedulability, reduction is matched
Network load peak valley difference value enhances power distribution network security and stability and power supply quality, in the case where meeting charging workload demand, subtracts
Light power distribution network operating pressure can be improved stability and economy that micro-capacitance sensor operation is filled in light storage.The method of the present invention is filled with meeting
It premised on electrical load requirement, can be maximally utilized with photovoltaic power generation electricity as target, take into account power distribution network operating pressure and energy storage
System state-of-charge comprehensively considers system each unit working characteristics, and light storage can be made to fill micro-grid system and reach relatively inexpensive conjunction
The operating status of reason.
The present invention can satisfy the load electric energy demand that charges in charging station substantially, meanwhile, reduce large-scale charging station operation pair
Pressure caused by power distribution network promotes Photovoltaic new energy effective use nearby, can be improved the warp during charging station construction operation
Benefit of helping and environmental benefit.
Detailed description of the invention
Fig. 1 is the topological diagram that micro-capacitance sensor is filled in a kind of storage of light;
Fig. 2 is piconet controller schematic diagram of the invention;
Fig. 3 is that grid control method flow chart is filled in light storage of the invention.
Specific embodiment
Present invention is further described in detail with reference to the accompanying drawing:
Fig. 1 describes the topology that micro-capacitance sensor is filled in a kind of storage of light, and photovoltaic generating system is connected to direct current by DC/DC converter
On bus, as the main generator unit of system;
Energy-storage system is connected on DC bus by two-way DC/DC converter, is that regulation is micro- as system stored energy unit
Net system power balance adjusts power distribution network and disappears the formant of peak load;
Power distribution network is connected on DC bus by two-way DC/AC converter, on the one hand when microgrid power demand is larger,
Electric energy is provided to the load that charges in microgrid, on the other hand in power distribution network itself load curve peak valley phase, the electricity for receiving microgrid to generate
Can, disappear peak load.
Light storage is filled in micro-grid system, piconet controller by CAN bus and photovoltaic generating system, energy-storage system,
Power distribution network and charging load connection, for acquiring microgrid each unit operating status and information about power, output control signal difference
DC/DC converter, two-way DC/DC converter, two-way DC/AC converter are acted on, the light storage, which is filled in micro-capacitance sensor, mainly charges
Load is electric car charging load.
Fig. 2 is piconet controller of the invention, including photovoltaic generation power detection unit, energy storage device SOC detection unit,
Charge workload demand power detecting unit, grid load curve acquisition unit and control decision device.
Wherein photovoltaic generation power detection unit acquires photovoltaic power generation system output power in real time, feeds back to control decision
Device.
Energy storage device SOC detection unit acquires energy-storage system remaining capacity in real time, feeds back to control decision device.
Charging workload demand power detecting unit acquires each charging load (charging pile) output power in real time, determines that charging is negative
Lotus demand feeds back to control decision device.
Grid load curve acquisition unit acquires distribution Running State and grid load curve in real time, feeds back to control and determines
Plan device.
Control decision device fills grid control method by collected each unit operating status and information about power, according to light storage
Logic analysis is carried out, DC/DC converter, two-way DC/DC converter are controlled, two-way DC/AC converter is carried out according to system requirements
Switch motion.
Fig. 3 is the control method that micro-capacitance sensor control device is filled based on light storage, and this method is divided into following steps:
Step 1: input t moment initial parameter photovoltaic power generation system output power Ps, energy-storage system remaining capacity Pb, charging
Workload demand power P l, system loss Δ P;
Step 2: judging whether photovoltaic power generation system output power and energy-storage system remaining capacity are able to satisfy charging load and need
Power is sought, if photovoltaic power generation system output power and energy-storage system remaining capacity are greater than charging workload demand power and system loss
Power, i.e. Ps+Pb > Pl+ Δ P then judge whether system has photovoltaic output again;
Step 3: if there is photovoltaic output, i.e., micro-grid system be in daytime operation, then judge again energy-storage system whether Full Charge Capacity,
If energy-storage system is not full of, charged to energy-storage system until being full of;If energy-storage system has expired electricity, system is issued extra
Electricity supplies power distribution network;
Step 4: if exporting without photovoltaic, i.e., micro-grid system is in night operation, then inputs distribution Running State and bear
Lotus curve controls micro-grid system from power distribution network power purchase, until energy-storage system is full of if power distribution network is in the load valley period;
If power distribution network is in the load peak period, the extra electricity that system is issued supplies power distribution network;
Step 5: if photovoltaic power generation system output power and energy-storage system remaining capacity are less than or equal to charging workload demand function
Rate and system loss power, i.e. Ps+Pb≤Pl+ Δ P, then input distribution Running State and load curve, if power distribution network is in
The load valley period then controls micro-grid system from power distribution network power purchase, supply charging load;If power distribution network is in load peak
Section then controls charging load and orderly charges.
The present invention devises a kind of storage of light and fills micro-capacitance sensor control device, proposes a kind of light storage based on the control device and fills
Microgrid control method, the device and method can satisfy the load electric energy demand that charges in charging station substantially, meanwhile, it reduces large size and fills
Power station runs the pressure caused by power distribution network, promotes Photovoltaic new energy effective use nearby, can be improved charging station construction operation
Economic benefit and environmental benefit in the process.
Claims (3)
1. grid control method is filled in a kind of light storage, which is characterized in that fill micro-capacitance sensor control device using light storage, the light storage is filled
Micro-capacitance sensor control device includes the photovoltaic generating system being connected on DC bus by DC/DC converter, by two-way DC/DC
Energy-storage system that converter is connected on DC bus is connected to the power distribution network on DC bus by two-way DC/AC converter
And it is connected directly between the charging load on DC bus;Photovoltaic generating system, energy-storage system, power distribution network and charging load connect
It is connected to piconet controller, the output end of piconet controller is connected to DC/DC converter, two-way DC/DC converter and two-way DC/
AC converter;
The piconet controller include for acquire in real time the photovoltaic generation power detection unit of photovoltaic power generation system output power,
For acquiring the energy storage device SOC detection unit of energy-storage system remaining capacity in real time, for acquiring distribution Running State in real time
Charging load with the grid load curve acquisition unit of load curve and for acquiring each charging load output power in real time
Demand power detection unit, the photovoltaic generation power detection unit, energy storage device SOC detection unit, grid load curve are adopted
Collection unit and the output end for the workload demand power detecting unit that charges are connected to control decision device, and control decision device passes through output
Interface is connected to DC/DC converter, two-way DC/DC converter and two-way DC/AC converter
Light storage fill grid control method the following steps are included:
Step 1: to the initial parameter of control decision device input t moment: photovoltaic power generation system output power Ps, energy-storage system are remaining
Electricity Pb, charging workload demand power P l and system loss Δ P;
Step 2: judging whether photovoltaic power generation system output power and energy-storage system remaining capacity are able to satisfy charging workload demand function
Rate, if the sum of photovoltaic power generation system output power and energy-storage system remaining capacity are greater than charging workload demand power and system loss
The sum of power, i.e. Ps+Pb > Pl+ Δ P then judge whether micro-grid system has photovoltaic output again, that is, enter step 3;
If the sum of photovoltaic power generation system output power and energy-storage system remaining capacity are less than or equal to charging workload demand power and are
The sum of system loss power, i.e. Ps+Pb≤Pl+ Δ P then input current time distribution Running State and load to control decision device
Curve controls micro-grid system from power distribution network power purchase, supply charging load if power distribution network is in the load valley period;If distribution
Net is in the load peak period, then controls charging load and orderly charge, terminate;
Step 3: if there is photovoltaic output, i.e., micro-grid system be in daytime operation, then judge again energy-storage system whether Full Charge Capacity, if storage
Energy system is not full of, then is charged to energy-storage system until being full of;If energy-storage system has expired electricity, extra electricity is supplied into distribution
Net;
If exporting without photovoltaic, i.e., micro-grid system is in night operation, then to control decision device input current time power distribution network fortune
Row state and load curve control micro-grid system from power distribution network power purchase, until energy storage if power distribution network is in the load valley period
System is full of;If power distribution network is in the load peak period, the extra electricity that system is issued supplies power distribution network.
2. microgrid control method is filled in a kind of light storage according to claim 1, which is characterized in that the charging load is electronic
Automobile charging pile.
3. microgrid control method is filled in a kind of light storage according to claim 1, which is characterized in that photovoltaic generating system, energy storage
System, power distribution network and charging load are connected to piconet controller by CAN bus.
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110611308A (en) * | 2019-08-30 | 2019-12-24 | 贵州电网有限责任公司 | Method for correcting and determining minimum active power of new energy station participating in direct electricity purchase of large users |
CN110912169A (en) * | 2019-12-03 | 2020-03-24 | 国网天津市电力公司 | Design method and topological structure of alternating current-direct current micro-grid |
CN111864805A (en) * | 2020-08-26 | 2020-10-30 | 合肥工业大学 | Energy management method of industrial park micro-grid light storage combined power generation device |
CN112491045A (en) * | 2020-11-23 | 2021-03-12 | 南京工程学院 | Intelligent household light storage and energy charging interconnection system and energy efficiency management method thereof |
CN112510756A (en) * | 2020-11-25 | 2021-03-16 | 国网湖南省电力有限公司 | Micro-grid optical storage and charging coordinated operation method and system based on power level |
CN112671018A (en) * | 2020-12-23 | 2021-04-16 | 国网湖北省电力有限公司电力科学研究院 | Station network interaction type optical storage and charging intelligent charging station based on direct-current micro-network and control method |
CN112848951A (en) * | 2020-12-06 | 2021-05-28 | 南京工业大学 | Off-grid type light storage, charging and power supply coordination control system and method |
CN114336583A (en) * | 2021-12-27 | 2022-04-12 | 广西大学 | 5G base station light storage direct current micro-grid energy supply system and method |
WO2023029335A1 (en) * | 2021-09-06 | 2023-03-09 | 福建时代星云科技有限公司 | Parameter configuration method and terminal for photovoltaic storage and charging system |
CN115882516A (en) * | 2023-03-08 | 2023-03-31 | 杭州欣美成套电器制造有限公司 | Photovoltaic grid-connected control device and method for efficient photovoltaic charging control |
CN116191509A (en) * | 2022-12-30 | 2023-05-30 | 深圳迈格瑞能技术有限公司 | Control method of optical storage system, optical storage system and storage medium |
CN116316767A (en) * | 2023-05-09 | 2023-06-23 | 江苏大秦新能源科技有限公司 | Network side power management control method and device for optical storage system |
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CN108879780A (en) * | 2018-07-27 | 2018-11-23 | 天津津电供电设计所有限公司 | Micro-capacitance sensor is filled in grid control method, micro grid control system and light storage |
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CN207910488U (en) * | 2018-01-08 | 2018-09-25 | 三峡大学 | A kind of multilayer micro-grid system provided multiple forms of energy to complement each other |
CN108879780A (en) * | 2018-07-27 | 2018-11-23 | 天津津电供电设计所有限公司 | Micro-capacitance sensor is filled in grid control method, micro grid control system and light storage |
Cited By (19)
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CN110611308B (en) * | 2019-08-30 | 2022-05-06 | 贵州电网有限责任公司 | Method for correcting and determining minimum active power of new energy station participating in direct electricity purchase of large users |
CN110611308A (en) * | 2019-08-30 | 2019-12-24 | 贵州电网有限责任公司 | Method for correcting and determining minimum active power of new energy station participating in direct electricity purchase of large users |
CN110912169A (en) * | 2019-12-03 | 2020-03-24 | 国网天津市电力公司 | Design method and topological structure of alternating current-direct current micro-grid |
CN111864805A (en) * | 2020-08-26 | 2020-10-30 | 合肥工业大学 | Energy management method of industrial park micro-grid light storage combined power generation device |
CN111864805B (en) * | 2020-08-26 | 2021-11-09 | 合肥工业大学 | Energy management method of industrial park micro-grid light storage combined power generation device |
CN112491045A (en) * | 2020-11-23 | 2021-03-12 | 南京工程学院 | Intelligent household light storage and energy charging interconnection system and energy efficiency management method thereof |
CN112510756A (en) * | 2020-11-25 | 2021-03-16 | 国网湖南省电力有限公司 | Micro-grid optical storage and charging coordinated operation method and system based on power level |
CN112848951B (en) * | 2020-12-06 | 2024-05-14 | 南京工业大学 | Off-grid type optical storage charging and power supply coordinated control system and method |
CN112848951A (en) * | 2020-12-06 | 2021-05-28 | 南京工业大学 | Off-grid type light storage, charging and power supply coordination control system and method |
CN112671018B (en) * | 2020-12-23 | 2023-05-12 | 国网湖北省电力有限公司电力科学研究院 | Station network interaction type optical storage charging intelligent charging station based on direct current micro-grid and control method |
CN112671018A (en) * | 2020-12-23 | 2021-04-16 | 国网湖北省电力有限公司电力科学研究院 | Station network interaction type optical storage and charging intelligent charging station based on direct-current micro-network and control method |
WO2023029335A1 (en) * | 2021-09-06 | 2023-03-09 | 福建时代星云科技有限公司 | Parameter configuration method and terminal for photovoltaic storage and charging system |
CN114336583A (en) * | 2021-12-27 | 2022-04-12 | 广西大学 | 5G base station light storage direct current micro-grid energy supply system and method |
CN114336583B (en) * | 2021-12-27 | 2023-06-23 | 广西大学 | 5G base station light storage direct current micro-grid energy supply system and method |
CN116191509A (en) * | 2022-12-30 | 2023-05-30 | 深圳迈格瑞能技术有限公司 | Control method of optical storage system, optical storage system and storage medium |
CN116191509B (en) * | 2022-12-30 | 2024-03-22 | 深圳迈格瑞能技术有限公司 | Control method of optical storage system, optical storage system and storage medium |
CN115882516A (en) * | 2023-03-08 | 2023-03-31 | 杭州欣美成套电器制造有限公司 | Photovoltaic grid-connected control device and method for efficient photovoltaic charging control |
CN116316767A (en) * | 2023-05-09 | 2023-06-23 | 江苏大秦新能源科技有限公司 | Network side power management control method and device for optical storage system |
CN116316767B (en) * | 2023-05-09 | 2023-08-11 | 江苏大秦新能源科技有限公司 | Network side power management control method and device for optical storage system |
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Application publication date: 20190412 |