CN103178541B - 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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- CN103178541B CN103178541B CN201110443009.6A CN201110443009A CN103178541B CN 103178541 B CN103178541 B CN 103178541B CN 201110443009 A CN201110443009 A CN 201110443009A CN 103178541 B CN103178541 B CN 103178541B
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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
- 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
- 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
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 a kind of distributed photovoltaic and generate electricity by way of merging two or more grid systems and the control method of energy storage device.
Background technology
Along with the fast development of intelligent grid, user side has accessed the regenerative resources such as distributed photovoltaic power generation equipment in a large number and to have generated electricity by way of merging two or more grid systems equipment, but, because photovoltaic energy is a kind of intermittent energy source, when being incorporated into the power networks, inevitably there is the shortcoming of generated output along with the fluctuation of illumination power.Therefore, control power smooth that user side is connected to the grid, stable, reducing the disturbance of intermittent photovoltaic energy to electrical network, is the new problem that current smart power grid user end face faces.
Application number is 200910243411.2, the Chinese patent application being entitled as " a kind of energy storage device supervisory control system of smooth wind power power output " discloses 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 be connected in maintenance information bus, manipulator, maintenance machine, head of a station's machine and training machine, and child servers comprises the converter monitoring equipment, the mechanical, electrical net monitoring machine of fan monitor and the auxiliary equipment monitoring equipment that are connected by region fieldbus.The present invention coordinates energy storage device adjustment output power of wind power generation by supervisory control system, on the impact of electrical network and impact when effectively reducing wind-electricity integration, improve the consistency of wind power output power and prediction, ensure the confidence level of power supply, improve the ability that wind-powered electricity generation is received in electric power system simultaneously.
200910243411.2 patent applications are for wind-powered electricity generation, and wind-powered electricity generation compares with photovoltaic apparatus, there is following difference: wind-powered electricity generation is the equipment of 24 continuous throughout the twenty-four hour24s, although be also intermittent, daytime and night do not make a big difference.And photovoltaic apparatus uses solar energy, can only work by day, night cannot carry out work.So photovoltaic apparatus is in generating on daytime and shuts down two states with night, therefore require also to exist with the energy storage device of photovoltaic apparatus co-ordination daytime, night two kinds of mode of operations.For this kind of demand, prior art can not meet.
Summary of the invention
It is a kind of for the generating of photovoltaic apparatus feature and the coordinating working method of energy storage device that the present invention is intended to proposition.
According to one embodiment of the invention, propose a kind of distributed photovoltaic to generate electricity by way of merging two or more grid systems and the control method of energy storage device, several user side is 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 form distributed communication system, set unified system time;
Day mode or Night is selected according to system time;
By day in pattern, comprise following step:
D1. the data of photovoltaic power generation equipment from a user side and energy storage device are gathered;
D2. judge whether the energy storage device in this user side is in malfunction, if be in malfunction, then exits present mode, proceeds to D7; If energy storage device is in normal condition, then 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, then exits present mode, proceeds to D6; If photovoltaic power generation equipment is in open state, then enter D4;
D4. judge whether described photovoltaic power generation equipment has fault alarm, if there is fault alarm, then energy storage device enters holding state, and enters D7; If photovoltaic power generation equipment normally runs, then enter D5;
D5. judge that whether described energy storage device dump energy is lower than limit value, if dump energy is not less than limit value, then send energy storage device electric discharge order, and according to the generated output of photovoltaic power generation equipment, the watt level that adjustment in real time compensates, enters D7 afterwards; If dump energy is lower than limit value, then sends energy storage device switching and enter charge mode order, and enter D7;
D6. judge that whether described energy storage device dump energy is lower than limit value, if dump energy is not less than limit value, then make energy storage device be in holding state and can receive order of manually discharging, energy storage device enters feedback grid generating state, enters D7 afterwards; If dump energy is lower than limit value, then sends energy storage device switching and enter charged state order, and enter D7;
D7. return;
In Night, comprise following step:
N1. judge whether to be in trough rate period according to system time, if trough rate period then enters N2, then enter N3 if not trough rate period;
N2. at trough rate period, judge that whether the dump energy of described energy storage device is lower than limit value, if be not less than limit value, enters N4; If lower than limit value, perform charge command, and enter N4;
N3. at non-trough rate period, judge that whether the dump energy of described energy storage device is lower than limit value, if be not less than limit value, make energy storage device be in holding state and can order of manually discharging be received; If lower than limit value, enter N4;
N4. return.
In one embodiment, several user side is connected by CAN with described power energy monitoring and controlling device, forms distributed network.
In one embodiment, several user side 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 packet that each user side and power energy monitoring and controlling device send is containing 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 according to system time, and timing is broadcast also interception data on a distribution network.
Distributed photovoltaic of the present invention generates electricity by way of merging two or more grid systems with the control method of energy storage device for the intermittent shortcoming of distributed photovoltaic, real-time control energy storage device compensates power, user side is by day under pattern, by the co-ordination of photovoltaic power generation equipment and energy storage device, well achieve each user side unit and to be connected to the grid the level and smooth, stable of power.Further, night photovoltaic power generation equipment be in not generating state time, user side enters the Night that energy storage device works independently, the electrical network rate period residing for being judged by the time, reasonable disposition charging interval; Also can receive the control of discharge order of on-site manual, energy storage device enters feedback grid generating state, thus achieves configuring more flexibly, effectively of electric energy.The mode of operation of energy storage device is real-Time Compensation photovoltaic generation power of discharging daytime.When night, dump energy was not enough, judge peak, the low ebb electricity price of electrical network according to real-time time, select low ebb rate period automatically to control energy storage device and enter charged state; If there is night sufficient dump energy also can receive on-site manual order, energy storage device enters feedback grid generating state, improves the economy that energy storage device utilizes.
Accompanying drawing explanation
The above and other feature of the present invention, character and advantage are by more obvious by what become below in conjunction with the description of drawings and Examples, and Reference numeral identical in the accompanying drawings represents identical feature all the time, wherein:
Fig. 1 discloses and generates electricity by way of merging two or more grid systems and the implementation of the control method of energy storage device according to the distributed photovoltaic of one embodiment of the invention.
Fig. 2 discloses the structure chart of the distributed network be made up of user side and power energy monitoring and controlling device according to one embodiment of the invention.
The distributed photovoltaic that Fig. 3 discloses one embodiment of the invention generates electricity by way of merging two or more grid systems the structure chart of the power energy monitoring and controlling device used with the control method of energy storage device.
The distributed photovoltaic that Fig. 4 discloses one embodiment of the invention generates electricity by way of merging two or more grid systems and the control effects of the control method of energy storage device.
Embodiment
The present invention proposes a kind of distributed photovoltaic and generates electricity by way of merging two or more grid systems and the control method of energy storage device, the suitable environment of the method is as follows: several user side is 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 side is connected by CAN with power energy monitoring and controlling device, forms distributed network.Several user side and power energy monitoring and controlling device are with multiple host pattern work, and each user side adopts identical system time with power energy monitoring and controlling device.Each user side and power energy monitoring and controlling utensil have unique message indications ID, and the packet that each user side and power energy monitoring and controlling device send is containing 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 according to system time, and timing is broadcast also interception data on a distribution network.Power energy monitoring and controlling device wherein gathers the partial data of photovoltaic power generation equipment in each user side and energy storage device, comprise the information such as running status, realtime power, dump energy and fault alarm, then send corresponding control command, thus realize the co-ordination of photovoltaic power generation equipment and energy storage device in user side.Fig. 2 discloses the structure chart of the distributed network be made up of user side and power energy monitoring and controlling device according to 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 and power energy monitoring and controlling device 100 connect and compose distributed network by CAN.
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 form distributed communication system, set unified system time;
Day mode or Night is selected according to system time;
By day in pattern, comprise following step:
D1. the data of photovoltaic power generation equipment from a user side and energy storage device are gathered;
D2. judge whether the energy storage device in this user side is in malfunction, if be in malfunction, then exits present mode, proceeds to D7; If energy storage device is in normal condition, then 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, then exits present mode, proceeds to D6; If photovoltaic power generation equipment is in open state, then enter D4;
D4. judge whether photovoltaic power generation equipment has fault alarm, if there is fault alarm, then energy storage device enters holding state, and enters D7; If photovoltaic power generation equipment normally runs, then enter D5;
D5. judge that whether energy storage device dump energy is lower than limit value, if dump energy is not less than limit value, then send energy storage device electric discharge order, and according to the generated output of photovoltaic power generation equipment, the watt level that adjustment in real time compensates, enters D7 afterwards; If dump energy is lower than limit value, then sends energy storage device switching and enter charge mode order, and enter D7;
D6. judge that whether energy storage device dump energy is lower than limit value, if dump energy is not less than limit value, then make energy storage device be in holding state and can receive order of manually discharging, energy storage device enters feedback grid generating state, enters D7 afterwards; If dump energy is lower than limit value, then sends energy storage device switching and enter charged state order, and enter D7;
D7. return;
In Night, comprise following step:
N1. judge whether to be in trough rate period according to system time, if trough rate period then enters N2, then enter N3 if not trough rate period;
N2. at trough rate period, judge that whether the dump energy of energy storage device is lower than limit value, if be not less than limit value, enters N4; If lower than limit value, perform charge command, and enter N4;
N3. at non-trough rate period, judge that whether the dump energy of energy storage device is lower than limit value, if be not less than limit value, make energy storage device be in holding state and can order of manually discharging be received; If lower than limit value, enter N4;
N4. return.
Shown in figure 3, the distributed photovoltaic that Fig. 3 discloses one embodiment of the invention generates electricity by way of merging two or more grid systems the structure chart of the power energy monitoring and controlling device used with the control method of energy storage device.This power energy monitoring and controlling device 100 has bi-processor architecture, and this power energy monitoring and controlling device 100 specifically comprises:
First processor 102, first processor 102 comprises the input/output interface of data memory interface, network interface.In the embodiment shown in fig. 1, data memory interface comprises USB interface USB and SD card interface SD.The compatible Ethernet interface of network interface and wireless lan interfaces, in FIG, network interface carries out example for Ethernet interface Ether.Input/output interface comprises touch input interface In and video output interface LVDS.First processor 102 adopts ARM chip to realize, first processor 102 realizes following function: under embedded OS environment, graphical interfaces application software is provided, realizes the visualized management of four kind equipments such as the intelligent power distribution equipment to user side, load equipment, distribution type renewable energy generating equipment, energy-storage units equipment, information inquiry and field control function.In the embodiment shown in fig. 1, first processor 102 also possess the serial peripheral equipment interface SPI for communicating with the second processor 108 and the power interface RTC being connected to power supply.
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 being connected to touch input interface In and the display being connected to video output interface LVDS.First processor 102 possesses RGB data signal fan-out capability, and therefore display can use 10.2 cun of liquid crystal display screens, is driven by LVDS driving chip 160.Touch-screen is four-wire resistive screen.
Second processor 108, second processor 108 is connected to first processor 102 by SPI (Serial Peripheral Interface (SPI)) bus.Second processor 108 has serial communication interface SI, isolation I/O 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 I/O interface IO is wherein for realizing the control to field apparatus.
Serial ports transceiver 180, serial ports transceiver 180 is connected to the serial communication interface SI of the second processor 108.
One group of AD signal processor 182, AD signal processor 182 is connected to the AD input interface ADIN of the second processor 102.AD signal processor 182 measures load realtime power by current transformer.
One group of RS485 transceiver 184, RS485 transceiver 184 is connected to the RS485 interface 485 of the second processor 102.RS485 transceiver 184 receives RS485 bus signals by optical coupling isolator 188.RS485 bus is used for energy-storage system, and the field data of distribution system and the running status between renewable energy source device and this power energy monitoring and controlling device, energy information data inquire about and managed.
One group of CAN transceiver 186, CAN transceiver 186 is connected to the CAN interface CAN of the second processor 102.CAN transceiver 186 receives CAN signal by optical coupling isolator 188.CAN is used for energy-storage system, and the field data of distribution system and the running status between renewable energy source device and this power energy monitoring and controlling device, energy information data inquire about and managed.
In one embodiment, the second processor is also connected to GPRS communication module.GPRS module is used for sending various energy information to user.
This power energy monitoring and controlling device adopts 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 combine with the second processor (DSP), for load subsystem, energy-storage units, the access of regenerative resource subsystem and distribution subsystem, there is provided the linkage functions such as RS485 bus, CAN, Ethernet, WLAN (wireless local area network) and GPRS, simultaneously also with A/D conversion port and digital I/O port.Display module utilizes driving chip to drive 10.2 cun of liquid crystal display screens, coordinates the vision signal of self processor.Touch input interface and realize touching type operation by four-wire resistive screen.Touch-screen reset and backlight control etc. are included to the control of liquid crystal display.Man-machine basic function module includes the USB interface of principal and subordinate, SD card interface.User can be allowed to access Large Copacity storage facilities or mouse device.
The Main Function of first processor (ARM) is responsible man machine operation interface, and display module drives 10.2 cun of liquid crystal display screens; Touch input interface and realize touching type operation by four-wire resistive screen; Communicated by spi bus between first processor (ARM) with the second processor (DSP), grid-connected, energy storage device real time execution parameter, the state that are passed over by second processor (DSP) carry out tabulate statistics, carry out record to historical failure, event; Carry out this locality display by liquid crystal display screen, inquire about for user; And by Ethernet (Ethernet), statistics, log history fault, event are sent to long-range host computer and preserve.
The Main Function of the second processor (DSP) is responsible for the communication with underlying device.Adopt CAN2.0 bus protocol to weigh communicate with photovoltaic combining inverter, energy storage charge and discharge control, gather real time data, state, transmission control command, thus realize the co-ordination of photovoltaic generation and energy storage device; Photovoltaic and energy storage device fault message are sent to setting mobile phone by GPRS short message mode; And communicated by spi bus with between first processor (ARM) processor, real time data is delivered to ARM and carries out processing, add up, store.
The distributed photovoltaic that Fig. 4 discloses one embodiment of the invention generates electricity by way of merging two or more grid systems and the control effects of the control method of energy storage device, i.e. power curve design sketch.
Curve P1 is wherein the realtime power curve chart of photovoltaic power generation equipment.Curve P2 is energy storage compensation power curve chart (negative value is that charge power value is just defined as because discharge power value is defined as negative by energy storage device).Curve P3 is the grid-connected smooth power curve after compensating.
Distributed photovoltaic of the present invention generates electricity by way of merging two or more grid systems with the control method of energy storage device for the intermittent shortcoming of distributed photovoltaic, real-time control energy storage device compensates power, user side is by day under pattern, by the co-ordination of photovoltaic power generation equipment and energy storage device, well achieve each user side unit and to be connected to the grid the level and smooth, stable of power.Further, night photovoltaic power generation equipment be in not generating state time, user side enters the Night that energy storage device works independently, the electrical network rate period residing for being judged by the time, reasonable disposition charging interval; Also can receive the control of discharge order of on-site manual, energy storage device enters feedback grid generating state, thus achieves configuring more flexibly, effectively of electric energy.The mode of operation of energy storage device is real-Time Compensation photovoltaic generation power of discharging daytime.When night, dump energy was not enough, judge peak, the low ebb electricity price of electrical network according to real-time time, select low ebb rate period automatically to control energy storage device and enter charged state; If there is night sufficient dump energy also can receive on-site manual order, energy storage device enters feedback grid generating state, improves the economy that energy storage device utilizes.
Above-described embodiment is available to be familiar with person in the art to realize or to use of the present invention; those skilled in the art can be without departing from the present invention in the case of the inventive idea; various modifications or change are made to above-described embodiment; thus protection scope of the present invention not limit by above-described embodiment, and should be the maximum magnitude meeting the inventive features that claims are mentioned.
Claims (6)
1. distributed photovoltaic generates electricity by way of merging two or more grid systems and the control method of energy storage device, and it is characterized in that, several user side is 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 form distributed communication system, set unified system time;
Day mode or Night is selected according to system time;
By day in pattern, comprise following step:
D1. the data of photovoltaic power generation equipment from a user side and energy storage device are gathered;
D2. judge whether the energy storage device in this user side is in malfunction, if be in malfunction, then exits present mode, proceeds to D7; If energy storage device is in normal condition, then 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, then exits present mode, proceeds to D6; If photovoltaic power generation equipment is in open state, then enter D4;
D4. judge whether described photovoltaic power generation equipment has fault alarm, if there is fault alarm, then energy storage device enters holding state, and enters D7; If photovoltaic power generation equipment normally runs, then enter D5;
D5. judge that whether described energy storage device dump energy is lower than limit value, if dump energy is not less than limit value, then send energy storage device electric discharge order, and according to the generated output of photovoltaic power generation equipment, the watt level that adjustment in real time compensates, enters D7 afterwards; If dump energy is lower than limit value, then sends energy storage device switching and enter charge mode order, and enter D7;
D6. judge that whether described energy storage device dump energy is lower than limit value, if dump energy is not less than limit value, then make energy storage device be in holding state and can receive order of manually discharging, energy storage device receives manually electric discharge and orders and enter feedback grid generating state, enters D7 afterwards; If dump energy is lower than limit value, then sends energy storage device switching and enter charged state order, and enter D7;
D7. return;
In Night, comprise following step:
N1. judge whether to be in trough rate period according to system time, if trough rate period then enters N2, then enter N3 if not trough rate period;
N2. at trough rate period, judge that whether the dump energy of described energy storage device is lower than limit value, if be not less than limit value, enters N4; If lower than limit value, perform charge command, and enter N4;
N3. at non-trough rate period, judge that whether the dump energy of described energy storage device is lower than limit value, if be not less than limit value, make energy storage device be in holding state and can order of manually discharging be received; If lower than limit value, enter N4;
N4. return.
2. distributed photovoltaic generates electricity by way of merging two or more grid systems and the control method of energy storage device as claimed in claim 1, it is characterized in that,
Described several user side is connected by CAN with described power energy monitoring and controlling device, forms distributed network.
3. distributed photovoltaic generates electricity by way of merging two or more grid systems and the control method of energy storage device as claimed in claim 1, it is characterized in that,
Several user side 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. distributed photovoltaic generates electricity by way of merging two or more grid systems and the control method of energy storage device as claimed in claim 1, it is characterized in that,
Each user side and power energy monitoring and controlling utensil have unique message indications ID, and the packet that each user side and power energy monitoring and controlling device send is containing the message indications ID of self.
5. distributed photovoltaic generates electricity by way of merging two or more grid systems and the control method of energy storage device as claimed in claim 1, it is characterized in that,
Each user side and power energy monitoring and controlling device are with unified baud rate work.
6. distributed photovoltaic generates electricity by way of merging two or more grid systems and the control method of energy storage device as claimed in claim 1, it is characterized in that,
Each user side and power energy monitoring and controlling device are according to described system time, and timing is broadcast also interception data on a distribution network.
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| CN201110443009.6A CN103178541B (en) | 2011-12-26 | 2011-12-26 | Control method of distributed grid-connected photovoltaic power generation devices and energy storage devices |
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| CN106329555B (en) * | 2015-06-26 | 2019-10-11 | 比亚迪股份有限公司 | The control method of photovoltaic energy storage micro-grid system and photovoltaic energy storage micro-grid system |
| CN105356517B (en) * | 2015-12-02 | 2019-05-14 | 北京国网普瑞特高压输电技术有限公司 | Home energy dynamically distributes router, method and home energy generation schedule method |
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| 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 |
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| CN102208824A (en) * | 2011-06-03 | 2011-10-05 | 中国科学院电工研究所 | Sequential charging control system for electric vehicles |
| CN102280940A (en) * | 2011-09-06 | 2011-12-14 | 天宝电子（惠州）有限公司 | new energy distributed energy storage application control system |
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| CN102208824A (en) * | 2011-06-03 | 2011-10-05 | 中国科学院电工研究所 | Sequential charging control system for electric vehicles |
| CN102280940A (en) * | 2011-09-06 | 2011-12-14 | 天宝电子（惠州）有限公司 | new energy distributed energy storage application control system |
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