CN103178541A - Control method of distributed grid-connected photovoltaic power generation devices and energy storage devices - Google Patents
Control method of distributed grid-connected photovoltaic power generation devices and energy storage devices Download PDFInfo
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- CN103178541A CN103178541A CN2011104430096A CN201110443009A CN103178541A CN 103178541 A CN103178541 A CN 103178541A CN 2011104430096 A CN2011104430096 A CN 2011104430096A CN 201110443009 A CN201110443009 A CN 201110443009A CN 103178541 A CN103178541 A CN 103178541A
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- 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
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Abstract
The invention discloses a control method of distributed grid-connected photovoltaic power generation devices and energy storage devices. A plurality of clients are connected with an electric energy monitor through a distributed network, each client comprises the photovoltaic power generation device and the energy storage device. The control method includes: by the electrical energy monitor, building communication with each client to form a distributed communication system, and setting uniform system time; selecting a day mode or a night mode according to the system time; in the day mode, by the energy storage devices, compensating generated power of the photovoltaic power generation devices according to on and off states of the photovoltaic power generation devices and energy storage states of the energy storage devices; and in the night mode, charging the energy storage devices according to the energy storage states of the energy storage devices and electricity price periods.
Description
Technical field
The present invention relates to intelligent grid equipment, more particularly, relate to generate electricity by way of merging two or more grid systems control method with energy storage device of a kind of distributed photovoltaic.
Background technology
Fast development along with intelligent grid, user side has accessed the regenerative resources such as the distributed photovoltaic power generation equipment equipment that generates electricity by way of merging two or more grid systems in a large number, but, because photovoltaic energy is a kind of intermittent energy source, inevitably exist generated output along with the shortcoming of the strong and weak fluctuation of illumination when being incorporated into the power networks.Therefore, the power that the control user side is connected to the grid is level and smooth, stable, reduces intermittent photovoltaic energy to the disturbance of electrical network, is the new problem that present intelligent grid user end face faces.
Application number is 200910243411.2, the Chinese patent application that is entitled as " a kind of energy storage device supervisory control system of smooth wind power power output " has disclosed a kind of supervisory control system of energy storage device of output power of smooth wind power system, is specifically related to a kind of supervisory control system of battery power energy storing device of smoothing output power of wind power generation.Energy storage device and wind power system outlet line are connected in parallel on an ac bus, supervisory control system comprises master server and child servers, master server comprises the monitoring host computer, the manipulator that are connected on the maintenance information bus, keeps machine, head of a station's machine and training machine, and child servers comprises the mechanical, electrical net monitoring machine of converter monitoring equipment, fan monitor and the auxiliary equipment monitoring equipment that connects by regional fieldbus.The present invention coordinates energy storage device by supervisory control system and adjusts output power of wind power generation, when effectively reducing wind-electricity integration on impact and the impact of electrical network, improve the consistency of wind power output power and prediction, ensure the confidence level of power supply, improve simultaneously the ability that wind-powered electricity generation is admitted in electric power system.
200910243411.2 patent application is for wind-powered electricity generation, wind-powered electricity generation and photovoltaic apparatus compare, and have following difference: wind-powered electricity generation is the equipment of 24 continuous throughout the twenty-four hour24s, although be intermittent, daytime and night do not make a big difference yet.Be solar energy and photovoltaic apparatus uses, can only work by day, can't carry out work night.So photovoltaic apparatus is in daytime generating and the two states that shuts down night, therefore require energy storage device with the photovoltaic apparatus co-ordination also to have daytime, night two kinds of mode of operations.For this kind demand, prior art can not satisfy.
Summary of the invention
The present invention is intended to propose a kind of for the generating of photovoltaic apparatus characteristics and the coordinating working method of energy storage device.
According to one embodiment of the invention, generate electricity by way of merging two or more grid systems control method with energy storage device of a kind of distributed photovoltaic is proposed, several user sides are connected with a power energy monitoring and controlling device by distributed network, and each user side comprises photovoltaic power generation equipment and energy storage device, and this control method comprises:
Power energy monitoring and controlling device and each user side establish a communications link, and consist of distributed communication system, set unified system time;
Select day mode or Night according to system time;
In pattern, comprise following step by day:
D1. gather the data from photovoltaic power generation equipment and the energy storage device of a user side;
D2. judge whether the energy storage device in this user side is in malfunction, if be in malfunction, withdraws from present mode, changes D7 over to; If energy storage device is in normal condition, enter D3;
D3. judge whether the photovoltaic power generation equipment in this user side starts shooting, if photovoltaic power generation equipment is in off-mode, withdraws from present mode, changes D6 over to; If photovoltaic power generation equipment is in open state, enter D4;
D4. judge whether described photovoltaic power generation equipment has fault alarm, if fault alarm is arranged, energy storage device enters holding state, and enter D7; If photovoltaic power generation equipment normally moves, enter D5;
D5. whether judge described energy storage device dump energy lower than limit value, if dump energy is not less than limit value, send energy storage device discharge order, and according to the generated output of photovoltaic power generation equipment, adjust in real time the watt level of compensation, enter afterwards D7; Switching enters the charge mode order if dump energy lower than limit value, sends energy storage device, and enters D7;
D6. whether judge described energy storage device dump energy lower than limit value, if dump energy is not less than limit value, makes energy storage device be in holding state and can receive manually discharge order, energy storage device enters the feedback grid generating state, enters afterwards D7; Switching enters the charged state order if dump energy lower than limit value, sends energy storage device, and enters D7;
D7. return;
In Night, comprise following step:
N1. judge whether to be in the trough electricity price period according to system time, if the trough electricity price period enters N2, enter N3 if not the trough electricity price period;
N2. in the trough electricity price period, whether judge the dump energy of described energy storage device lower than limit value, if be not less than limit value enter N4; If lower than limit value carry out charge command, and enter N4;
N3. in the non-trough electricity price period, whether judge the dump energy of described energy storage device lower than limit value, if be not less than limit value make energy storage device be in holding state and can receive manually discharge order; If lower than limit value enter N4;
N4. return.
In one embodiment, several user sides are connected by the CAN bus with described power energy monitoring and controlling device, consist of distributed network.
In one embodiment, several user sides and power energy monitoring and controlling device are with multiple host pattern work, and each user side and power energy monitoring and controlling device adopt system time.
In one embodiment, each user side and power energy monitoring and controlling utensil have unique message indications ID, and the data that each user side and power energy monitoring and controlling device send comprise the message indications ID of self.
In one embodiment, each user side and power energy monitoring and controlling device are with unified baud rate work.
In one embodiment, each user side and power energy monitoring and controlling device are regularly broadcasted and interception data on distributed network according to system time.
Distributed photovoltaic of the present invention generates electricity by way of merging two or more grid systems control method with energy storage device for the intermittent shortcoming of distributed photovoltaic, control in real time energy storage device and compensate power, user side is by day under pattern, by the co-ordination of photovoltaic power generation equipment and energy storage device, well realized each user side unit the level and smooth, stable of power that be connected to the grid.And when night, photovoltaic power generation equipment was in not generating state, user side entered the Night that energy storage device works independently, and judged residing electrical network electricity price period, reasonable disposition charging interval by the time; Also can receive the control of discharge order of on-site manual, energy storage device enters the feedback grid generating state, thereby has realized more flexible, effective configuration of electric energy.The mode of operation of energy storage device is the real-Time Compensation photovoltaic generation power that discharges daytime.When night, dump energy was not enough, according to peak, the low ebb electricity price of real-time time judgement electrical network, selects the low ebb electricity price period automatically to control energy storage device and enter charged state; If there is night sufficient dump energy also can receive the on-site manual order, energy storage device enters the feedback grid generating state, improves the economy that energy storage device utilizes.
Description of drawings
It is more obvious that the above and other feature of the present invention, character and advantage will become by the description below in conjunction with drawings and Examples, and identical Reference numeral represents identical feature all the time in the accompanying drawings, wherein:
Fig. 1 has disclosed generate electricity by way of merging two or more grid systems implementation with the control method of energy storage device of distributed photovoltaic according to one embodiment of the invention.
Fig. 2 has disclosed the structure chart according to the distributed network that is made of user side and power energy monitoring and controlling device of one embodiment of the invention.
The generate electricity by way of merging two or more grid systems structure chart of the power energy monitoring and controlling device that uses with the control method of energy storage device of the distributed photovoltaic that Fig. 3 has disclosed one embodiment of the invention.
The distributed photovoltaic that Fig. 4 the has disclosed one embodiment of the invention control effect with the control method of energy storage device of generating electricity by way of merging two or more grid systems.
Embodiment
The present invention proposes generate electricity by way of merging two or more grid systems control method with energy storage device of a kind of distributed photovoltaic, the suitable environment of the method is as follows: several user sides are connected with a power energy monitoring and controlling device by distributed network, and each user side comprises photovoltaic power generation equipment and energy storage device.In one embodiment, several user sides are connected by the CAN bus with the power energy monitoring and controlling device, consist of distributed network.Several user sides and power energy monitoring and controlling device are with multiple host pattern work, and each user side adopts identical system time with the power energy monitoring and controlling device.Each user side and power energy monitoring and controlling utensil have unique message indications ID, and the data that each user side and power energy monitoring and controlling device send comprise the message indications ID of self.Each user side and power energy monitoring and controlling device are with unified baud rate work.Each user side and power energy monitoring and controlling device are regularly broadcasted and interception data on distributed network according to system time.Power energy monitoring and controlling device wherein gathers the interior photovoltaic power generation equipment of each user side and the partial data of energy storage device, comprise the information such as running status, realtime power, dump energy and fault alarm, then send corresponding control command, thereby realize the co-ordination of the interior photovoltaic power generation equipment of user side and energy storage device.Fig. 2 has disclosed the structure chart according to the distributed network that is made of user side and power energy monitoring and controlling device of one embodiment of the invention.Figure 2 illustrates power energy monitoring and controlling device 100 and user side 200, each user side 200 comprises photovoltaic power generation equipment 202 and energy storage device 204.The sum of user side 200 is less than 110, and user side 200 connects and composes distributed network with power energy monitoring and controlling device 100 by the CAN bus.
With reference to shown in Figure 1, distributed photovoltaic of the present invention generates electricity by way of merging two or more grid systems as follows with the implementation of the control method of energy storage device:
Power energy monitoring and controlling device and each user side establish a communications link, and consist of distributed communication system, set unified system time;
Select day mode or Night according to system time;
In pattern, comprise following step by day:
D1. gather the data from photovoltaic power generation equipment and the energy storage device of a user side;
D2. judge whether the energy storage device in this user side is in malfunction, if be in malfunction, withdraws from present mode, changes D7 over to; If energy storage device is in normal condition, enter D3;
D3. judge whether the photovoltaic power generation equipment in this user side starts shooting, if photovoltaic power generation equipment is in off-mode, withdraws from present mode, changes D6 over to; If photovoltaic power generation equipment is in open state, enter D4;
D4. judge whether photovoltaic power generation equipment has fault alarm, if fault alarm is arranged, energy storage device enters holding state, and enter D7; If photovoltaic power generation equipment normally moves, enter D5;
D5. whether judge the energy storage device dump energy lower than limit value, if dump energy is not less than limit value, send energy storage device discharge order, and according to the generated output of photovoltaic power generation equipment, adjust in real time the watt level of compensation, enter afterwards D7; Switching enters the charge mode order if dump energy lower than limit value, sends energy storage device, and enters D7;
D6. whether judge the energy storage device dump energy lower than limit value, if dump energy is not less than limit value, makes energy storage device be in holding state and can receive manually discharge order, energy storage device enters the feedback grid generating state, enters afterwards D7; Switching enters the charged state order if dump energy lower than limit value, sends energy storage device, and enters D7;
D7. return;
In Night, comprise following step:
N1. judge whether to be in the trough electricity price period according to system time, if the trough electricity price period enters N2, enter N3 if not the trough electricity price period;
N2. in the trough electricity price period, whether judge the dump energy of energy storage device lower than limit value, if be not less than limit value enter N4; If lower than limit value carry out charge command, and enter N4;
N3. in the non-trough electricity price period, whether judge the dump energy of energy storage device lower than limit value, if be not less than limit value make energy storage device be in holding state and can receive manually discharge order; If lower than limit value enter N4;
N4. return.
With reference to shown in Figure 3, the generate electricity by way of merging two or more grid systems structure chart of the power energy monitoring and controlling device that uses with the control method of energy storage device of the distributed photovoltaic that Fig. 3 has disclosed one embodiment of the invention.This power energy monitoring and controlling device 100 has bi-processor architecture, and this power energy monitoring and controlling device 100 specifically comprises:
Network controller 104, network controller 104 is connected to the network interface of first processor 102.In the embodiment shown in fig. 1, network controller 104 is ethernet controllers, is connected to the network interface Ether of first processor 102.
Input-output equipment 106, input-output equipment 106 is connected to the input/output interface of first processor.In the embodiment shown in fig. 1, input-output equipment comprises the touch-screen that is connected to touch input interface In and the display that is connected to video output interface LVDS.First processor 102 possesses RGB data-signal fan-out capability, so display can use 10.2 cun liquid crystal display screens, drives chip 160 by LVDS and drives.Touch-screen is the four-wire ohm screen.
The second processor 108, the second processors 108 are connected to first processor 102 by SPI (Serial Peripheral Interface (SPI)) bus.The second processor 108 has serial communication interface SI, isolation IO interface IO, one group of AD input interface ADIN, one group of RS485 interface 485 and one group of CAN interface CAN.In the embodiment shown in fig. 1, the second processor 108 is realized by dsp chip.Isolation IO interface IO wherein is used for realization to the control of field apparatus.
Serial ports transceiver 180, serial ports transceiver 180 are connected to the serial communication interface SI of the second processor 108.
One group of AD signal processor 182, AD signal processor 182 are connected to the AD input interface ADIN of the second processor 102.AD signal processor 182 is measured the load realtime power by current transformer.
One group of RS485 transceiver 184, RS485 transceiver 184 are connected to the RS485 interface 485 of the second processor 102.RS485 transceiver 184 receives the RS485 bus signals by optical coupling isolator 188.The RS485 bus is used for energy-storage system, the running status between distribution system and renewable energy source device and this power energy monitoring and controlling device, the inquiry of the field data of energy information data and management.
One group of CAN transceiver 186, CAN transceiver 186 are connected to the CAN interface CAN of the second processor 102.CAN transceiver 186 receives the CAN bus signals by optical coupling isolator 188.The CAN bus is used for energy-storage system, the running status between distribution system and renewable energy source device and this power energy monitoring and controlling device, the inquiry of the field data of energy information data and management.
In one embodiment, the second processor is also connected to the GPRS communication module.The GPRS module is used for sending various energy informations to the user.
This power energy monitoring and controlling device adopts the dual processor master slave mode.Wherein, first processor (ARM) is under embedded environment, expand the basic peripheral function such as display driver, power management, audio frequency output, 10/100 network adapter, and with the second processor (DSP) combination, be load subsystem, energy-storage units, the access of regenerative resource subsystem and distribution subsystem, provide the linkage functions such as RS485 bus, CAN bus, Ethernet, WLAN (wireless local area network) and GPRS, simultaneously also with A/D conversion port and digital I/O port.The display module utilization drives 10.2 cun liquid crystal display screens of chip drives, coordinates the vision signal of self processor.The touch input interface shields by four-wire ohm realizes touching type operation.The control of liquid crystal display has been comprised that touch-screen resets and backlight control etc.Man-machine basic function module has comprised principal and subordinate's USB interface, the SD card interface.Can allow the user access large capacity storage facilities or mouse device.
The Main Function of first processor (ARM) is to be responsible for man machine operation interface, and display module drives 10.2 cun liquid crystal display screens; The touch input interface shields by four-wire ohm realizes touching type operation; Communicate by spi bus between first processor (ARM) and the second processor (DSP), grid-connected, energy storage device real time execution parameter, state that the second processor (DSP) is passed over carry out tabulate statistics, and historical failure, event are carried out record; Carry out this locality by liquid crystal display screen and show, for user's inquiry; And by Ethernet (Ethernet), statistics, log history fault, event are sent to long-range host computer preservation.
The Main Function of the second processor (DSP) is to be responsible for and the communicating by letter of underlying device.Adopt CAN2.0 bus protocol and photovoltaic combining inverter, energy storage to discharge and recharge control and communicate, gather real time data, state, transmission control command, thereby realize the co-ordination of photovoltaic generation and energy storage device; Photovoltaic and energy storage device fault message are sent to the setting mobile phone by the GPRS short message mode; And and first processor (ARM) processor between communicate by spi bus, real time data is delivered to ARM processes, adds up, stores.
The distributed photovoltaic that Fig. 4 has disclosed one embodiment of the invention generate electricity by way of merging two or more grid systems the control effect with the control method of energy storage device, i.e. power curve design sketch.
Curve P1 wherein is the realtime power curve chart of photovoltaic power generation equipment.Curve P2 is energy storage compensation power curve chart (negative value is that the charge power value just is defined as because energy storage device is defined as the discharge power value negative).Curve P3 is the level and smooth power curve that is incorporated into the power networks after compensating.
Distributed photovoltaic of the present invention generates electricity by way of merging two or more grid systems control method with energy storage device for the intermittent shortcoming of distributed photovoltaic, control in real time energy storage device and compensate power, user side is by day under pattern, by the co-ordination of photovoltaic power generation equipment and energy storage device, well realized each user side unit the level and smooth, stable of power that be connected to the grid.And when night, photovoltaic power generation equipment was in not generating state, user side entered the Night that energy storage device works independently, and judged residing electrical network electricity price period, reasonable disposition charging interval by the time; Also can receive the control of discharge order of on-site manual, energy storage device enters the feedback grid generating state, thereby has realized more flexible, effective configuration of electric energy.The mode of operation of energy storage device is the real-Time Compensation photovoltaic generation power that discharges daytime.When night, dump energy was not enough, according to peak, the low ebb electricity price of real-time time judgement electrical network, selects the low ebb electricity price period automatically to control energy storage device and enter charged state; If there is night sufficient dump energy also can receive the on-site manual order, energy storage device enters the feedback grid generating state, improves the economy that energy storage device utilizes.
Above-described embodiment is to provide to being familiar with the person in the art and realizes or use of the present invention; those skilled in the art can be in the situation that do not break away from invention thought of the present invention; above-described embodiment is made various modifications or variation; thereby protection scope of the present invention do not limit by above-described embodiment, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (6)
1. the distributed photovoltaic control method with energy storage device of generating electricity by way of merging two or more grid systems, is characterized in that, several user sides are connected with a power energy monitoring and controlling device by distributed network, and each user side comprises photovoltaic power generation equipment and energy storage device, and this control method comprises:
Power energy monitoring and controlling device and each user side establish a communications link, and consist of distributed communication system, set unified system time;
Select day mode or Night according to system time;
In pattern, comprise following step by day:
D1. gather the data from photovoltaic power generation equipment and the energy storage device of a user side;
D2. judge whether the energy storage device in this user side is in malfunction, if be in malfunction, withdraws from present mode, changes D7 over to; If energy storage device is in normal condition, enter D3;
D3. judge whether the photovoltaic power generation equipment in this user side starts shooting, if photovoltaic power generation equipment is in off-mode, withdraws from present mode, changes D6 over to; If photovoltaic power generation equipment is in open state, enter D4;
D4. judge whether described photovoltaic power generation equipment has fault alarm, if fault alarm is arranged, energy storage device enters holding state, and enter D7; If photovoltaic power generation equipment normally moves, enter D5;
D5. whether judge described energy storage device dump energy lower than limit value, if dump energy is not less than limit value, send energy storage device discharge order, and according to the generated output of photovoltaic power generation equipment, adjust in real time the watt level of compensation, enter afterwards D7; Switching enters the charge mode order if dump energy lower than limit value, sends energy storage device, and enters D7;
D6. whether judge described energy storage device dump energy lower than limit value, if dump energy is not less than limit value, makes energy storage device be in holding state and can receive manually discharge order, energy storage device enters the feedback grid generating state, enters afterwards D7; Switching enters the charged state order if dump energy lower than limit value, sends energy storage device, and enters D7;
D7. return;
In Night, comprise following step:
N1. judge whether to be in the trough electricity price period according to system time, if the trough electricity price period enters N2, enter N3 if not the trough electricity price period;
N2. in the trough electricity price period, whether judge the dump energy of described energy storage device lower than limit value, if be not less than limit value enter N4; If lower than limit value carry out charge command, and enter N4;
N3. in the non-trough electricity price period, whether judge the dump energy of described energy storage device lower than limit value, if be not less than limit value make energy storage device be in holding state and can receive manually discharge order; If lower than limit value enter N4;
N4. return.
2. generate electricity by way of merging two or more grid systems control method with energy storage device of distributed photovoltaic as claimed in claim 1, is characterized in that,
Described several user sides are connected by the CAN bus with described power energy monitoring and controlling device, consist of distributed network.
3. generate electricity by way of merging two or more grid systems control method with energy storage device of distributed photovoltaic as claimed in claim 1, is characterized in that,
Several user sides and power energy monitoring and controlling device are with multiple host pattern work, and each user side and power energy monitoring and controlling device adopt described system time.
4. generate electricity by way of merging two or more grid systems control method with energy storage device of distributed photovoltaic as claimed in claim 1, is characterized in that,
Each user side and power energy monitoring and controlling utensil have unique message indications ID, and the data that each user side and power energy monitoring and controlling device send comprise the message indications ID of self.
5. generate electricity by way of merging two or more grid systems control method with energy storage device of distributed photovoltaic as claimed in claim 1, is characterized in that,
Each user side and power energy monitoring and controlling device are with unified baud rate work.
6. generate electricity by way of merging two or more grid systems control method with energy storage device of distributed photovoltaic as claimed in claim 1, is characterized in that,
Each user side and power energy monitoring and controlling device are regularly broadcasted and interception data on distributed network according to described system time.
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| CN105356517A (en) * | 2015-12-02 | 2016-02-24 | 北京国网普瑞特高压输电技术有限公司 | Dynamic distribution router and method for household energy and power generation planning method for household energy |
| CN106208360A (en) * | 2016-09-08 | 2016-12-07 | 易事特集团股份有限公司 | The charging/discharging thereof of a kind of emergency power supply and device |
| CN106329555A (en) * | 2015-06-26 | 2017-01-11 | 比亚迪股份有限公司 | Photovoltaic energy storage microgrid system and control method thereof |
| CN106953315A (en) * | 2017-01-17 | 2017-07-14 | 无锡协鑫分布式能源开发有限公司 | User side grid type light stores up integral system capacity optimization software algorithm |
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| CN108931973A (en) * | 2018-08-01 | 2018-12-04 | 珠海格力电器股份有限公司 | Photovoltaic control system, and control method and device of photovoltaic control system |
| CN111231728A (en) * | 2020-02-27 | 2020-06-05 | 国网山东省电力公司潍坊供电公司 | Photovoltaic energy storage charging and discharging integrated energy control system and method |
| CN113300403A (en) * | 2021-05-27 | 2021-08-24 | 中清能绿洲科技股份有限公司 | Solar micro-grid energy storage capacity configuration optimization processing system and processing method |
| CN114918891A (en) * | 2022-04-09 | 2022-08-19 | 王敬波 | Intelligent home energy storage robot |
| CN116699298A (en) * | 2023-08-09 | 2023-09-05 | 西安高压电器研究院股份有限公司 | Grid-connected testing device and method for photovoltaic energy storage composite power station |
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| CN105356517A (en) * | 2015-12-02 | 2016-02-24 | 北京国网普瑞特高压输电技术有限公司 | Dynamic distribution router and method for household energy and power generation planning method for household energy |
| CN106208360A (en) * | 2016-09-08 | 2016-12-07 | 易事特集团股份有限公司 | The charging/discharging thereof of a kind of emergency power supply and device |
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| CN108649566A (en) * | 2018-05-21 | 2018-10-12 | 上海电力学院 | A kind of accumulator cell charging and discharging method based on Spot Price |
| CN108931973A (en) * | 2018-08-01 | 2018-12-04 | 珠海格力电器股份有限公司 | Photovoltaic control system, and control method and device of photovoltaic control system |
| CN108931973B (en) * | 2018-08-01 | 2020-02-21 | 珠海格力电器股份有限公司 | Photovoltaic control system, and control method and device of photovoltaic control system |
| US11837993B2 (en) | 2018-08-01 | 2023-12-05 | Gree Electric Appliances, Inc. Of Zhuhai | System for controlling a photovoltaic system, method and device for controlling the photovoltaic system |
| CN111231728A (en) * | 2020-02-27 | 2020-06-05 | 国网山东省电力公司潍坊供电公司 | Photovoltaic energy storage charging and discharging integrated energy control system and method |
| CN113300403A (en) * | 2021-05-27 | 2021-08-24 | 中清能绿洲科技股份有限公司 | Solar micro-grid energy storage capacity configuration optimization processing system and processing method |
| CN113300403B (en) * | 2021-05-27 | 2021-12-21 | 中清能绿洲科技股份有限公司 | Solar micro-grid energy storage capacity configuration optimization processing system and processing method |
| CN114918891A (en) * | 2022-04-09 | 2022-08-19 | 王敬波 | Intelligent home energy storage robot |
| CN116699298A (en) * | 2023-08-09 | 2023-09-05 | 西安高压电器研究院股份有限公司 | Grid-connected testing device and method for photovoltaic energy storage composite power station |
| CN116699298B (en) * | 2023-08-09 | 2023-10-20 | 西安高压电器研究院股份有限公司 | Grid-connected testing device and method for photovoltaic energy storage composite power station |
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