[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

WO2018177062A1 - Système d'alimentation électrique et procédé de commande pour système d'alimentation électrique - Google Patents

Système d'alimentation électrique et procédé de commande pour système d'alimentation électrique Download PDF

Info

Publication number
WO2018177062A1
WO2018177062A1 PCT/CN2018/077537 CN2018077537W WO2018177062A1 WO 2018177062 A1 WO2018177062 A1 WO 2018177062A1 CN 2018077537 W CN2018077537 W CN 2018077537W WO 2018177062 A1 WO2018177062 A1 WO 2018177062A1
Authority
WO
WIPO (PCT)
Prior art keywords
power
energy storage
load
photovoltaic
grid
Prior art date
Application number
PCT/CN2018/077537
Other languages
English (en)
Chinese (zh)
Inventor
尹韶文
孙嘉品
李程
Original Assignee
比亚迪股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 比亚迪股份有限公司 filed Critical 比亚迪股份有限公司
Publication of WO2018177062A1 publication Critical patent/WO2018177062A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/383—
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • 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

Definitions

  • the present invention relates to the field of power electronics, and in particular to a control method and a power supply system for a power supply system.
  • the existing photovoltaic power supply system uses photovoltaic cells (PV) to be supplied to the grid or load through an inverter and a direct current-direct current (DC-DC) conversion.
  • PV photovoltaic cells
  • DC-DC direct current-direct current
  • the existing new energy storage systems are mostly grid-side storage, and the product development cost is high. Although it can solve the problem of redundant energy storage, it also increases the burden and risk of the grid.
  • the invention provides a control method of a power supply system and a power supply system, which can reduce the burden of the power grid and can improve the utilization rate of the renewable energy.
  • a power supply system control method includes: a photovoltaic battery pack, an energy storage system, a photovoltaic inverter, and a controller, wherein the photovoltaic battery pack includes N photovoltaic cells, and N is An integer greater than 1, the photovoltaic cell is connected to the grid or load by the photovoltaic inverter, the energy storage system is connected in parallel with the photovoltaic cell, and the energy storage system passes through the photovoltaic inverter The grid is or coupled to the load, the control method comprising: the controller controlling at least one of the photovoltaic panel and the energy storage system to supply power to the grid or the load.
  • the renewable energy is fully absorbed by adding a plurality of photovoltaic cells in the power supply system, and the energy storage system is disposed on one side of the photovoltaic battery group, and the photovoltaic battery is controlled by the controller.
  • the group and/or energy storage system supplies power to the grid or load, thereby reducing the burden on the grid and increasing the utilization of renewable energy.
  • a power supply system includes: a photovoltaic battery pack, an energy storage system, a photovoltaic inverter, and a controller, wherein the photovoltaic battery pack includes N photovoltaic cells, and N is greater than 1
  • the photovoltaic cell is connected to the grid or load through the photovoltaic inverter; the energy storage system is connected in parallel with the photovoltaic cell, and the energy storage system passes the photovoltaic inverter and the A power grid is coupled to the load; the controller is configured to control at least one of the photovoltaic battery pack and the energy storage system to power the grid or the load.
  • the power supply system increases the renewable energy by adding a plurality of photovoltaic cells, and arranges the energy storage system on one side of the photovoltaic battery, and controls the photovoltaic battery and/or by using the controller.
  • the energy storage system supplies power to the grid or load, thereby reducing the burden on the grid and increasing the utilization of renewable energy.
  • FIG. 1 is a schematic flow chart of a control method of a power supply system according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a control method of a power supply system according to another embodiment of the present invention.
  • FIG. 3 is a flow chart of a control method of a power supply system according to another embodiment of the present invention.
  • FIG. 4 is a block schematic diagram of a power supply system in accordance with one embodiment of the present invention.
  • FIG. 5 is a block diagram showing a power supply system according to another embodiment of the present invention.
  • FIG. 6 is a block schematic diagram of a power supply system in accordance with another embodiment of the present invention.
  • the power supply system includes a photovoltaic battery pack, an energy storage system, a photovoltaic inverter and a controller.
  • the photovoltaic battery pack includes N photovoltaic cells, N is an integer greater than 1, and the photovoltaic battery pack is connected to the power grid or load through the photovoltaic inverter, and is stored.
  • the energy system is connected in parallel with the photovoltaic battery pack, and the energy storage system is connected to the power grid or to the load through the photovoltaic inverter.
  • the control method of the power supply system includes:
  • the controller acquires control information.
  • the controller controls at least one of the photovoltaic battery pack and the energy storage system to supply power to the grid or the load according to the control information.
  • the renewable energy is fully absorbed by adding a plurality of photovoltaic cells in the power supply system, and the energy storage system is disposed on one side of the photovoltaic battery group, and the photovoltaic battery is controlled by the controller.
  • the group and/or energy storage system supplies power to the grid or load, thereby reducing the burden on the grid and increasing the utilization of renewable energy.
  • the controller may select at least one of the photovoltaic battery pack and the energy storage system to power the grid or load based on the control information.
  • the control information may be an external control signal received by the controller, such as a signal directly supplied by a suitable photovoltaic battery pack that is directly externally input.
  • the control information may also be that the controller selectively uses the photovoltaic battery pack and/or the energy storage system to supply power according to the power generated by the photovoltaic battery pack and the required power of the grid or load.
  • the number of photovoltaic cells in the photovoltaic cell group in the power supply system of the present application is greater than 1, that is, the photovoltaic cell is newly added in the application, so that the photovoltaic cell can fully absorb the light energy and reduce the loss of the light energy, so that the light energy is effectively utilized.
  • the photovoltaic energy is fully absorbed, and while satisfying the power supply for the power grid or the load, more photovoltaic cell energy can be stored in the energy storage system, and the storage of the energy storage battery is increased.
  • Energy rate when the photovoltaic battery pack energy is insufficient, power the grid or load to improve the utilization rate of renewable energy. This can increase the cumulative power generation when the photovoltaic inverter power is constant.
  • the existing power supply system solution uses the power grid as the coupling point, and the energy storage battery is installed at the power grid end, and the power is stored at the power grid end.
  • the installed capacity of the power generation equipment and the power equipment of the power grid increases.
  • the factors that need to be controlled increase, and the burden on the grid will increase.
  • the difficulty of power grid regulation will increase, and the expenditure will increase accordingly.
  • the energy storage system of the present application is connected in parallel with the photovoltaic battery group, and the energy storage system is arranged on one side of the photovoltaic battery group, which can reduce the burden on the power grid side and reduce the expenditure.
  • the photovoltaic battery pack of the present application includes a plurality of photovoltaic cells, and the photovoltaic battery pack is connected to the load through the photovoltaic inverter.
  • the photovoltaic battery pack is also connected to the energy storage battery in the energy storage system through the bidirectional DC-DC, so that When the energy storage battery supplies power to the load, the convertible power in the circuit is no longer limited, which can improve the utilization rate of the photovoltaic cell and improve the discharge efficiency.
  • a plurality of photovoltaic cells share a photovoltaic inverter, and a combination design of one or more sets of photovoltaic cells, inverters, and DC-DCs is simply added, while meeting the load power demand. It also saves component count.
  • the energy storage system in the present application includes M energy storage batteries and M bidirectional DC/DC, wherein M energy storage batteries are connected in parallel, and M energy storage batteries are in one-to-one correspondence with M bidirectional DC/DCs, and M is positive. Integer.
  • Each energy storage battery is connected to the photovoltaic battery pack through a corresponding bidirectional DC/DC, and each energy storage battery is also connected to the power grid or load through a photovoltaic inverter. In this way, by adding a plurality of energy storage batteries, when the power of the photovoltaic battery pack is still supplied to the power grid or the load remains, the power is stored in the energy storage battery, so that the power of the subsequent photovoltaic battery pack is insufficient. Multiple energy storage batteries result in greater storage capacity and improved light utilization.
  • the embodiments of the present application may be applied to the network or the off-network, and the application scenarios of the grid connection or the off-network are not limited.
  • the photovoltaic battery and/or the energy storage system may supply power to the grid. Power the load.
  • the control method of Figure 2 can be implemented by a controller of the power supply system.
  • the power supply system includes a photovoltaic battery pack, an energy storage system, a photovoltaic inverter and a controller.
  • the photovoltaic battery pack includes N photovoltaic cells, N is an integer greater than 1, and the photovoltaic battery pack is connected to the power grid or load through the photovoltaic inverter, and is stored.
  • the energy system is connected in parallel with the photovoltaic battery pack, and the energy storage system is connected to the power grid or to the load through the photovoltaic inverter.
  • the control method of the power supply system includes:
  • the controller receives the control signal.
  • the control signal may be received by the controller from the outside, or may be received by the controller from the photovoltaic battery pack or the power grid or the load, etc., and the present application does not limit this, as long as the signal used to control the power supply to the power grid or the load is used. Within the scope of protection of this application.
  • the controller controls at least one of the photovoltaic battery pack and the energy storage system to supply power to the grid or the load according to the control signal.
  • the grid or load in the present application may be powered solely by the photovoltaic array, for example, at a sufficient solar energy, ie, the power generated by the photovoltaic stack is sufficient to provide a load or grid demand.
  • the photovoltaic battery group can also be controlled to charge the energy storage battery in the energy storage system.
  • the grid or load in this application can also be powered solely by the energy storage system.
  • the energy storage battery in the energy storage system can be used to supply power to the grid or load.
  • the renewable energy is fully absorbed by adding a plurality of photovoltaic cells in the power supply system, and the energy storage system is disposed on one side of the photovoltaic battery group, and the photovoltaic battery is controlled by the controller.
  • the group and/or energy storage system supplies power to the grid or load, thereby reducing the burden on the grid and increasing the utilization of renewable energy.
  • the photovoltaic battery and the energy storage battery in the energy storage system can also be used to supply power to the grid or the load.
  • the energy storage battery in the energy storage system can be used to supply power to the grid or load to supplement the power supply demand.
  • the control method of Figure 3 can be implemented by a controller of the power supply system.
  • the power supply system includes a photovoltaic battery pack, an energy storage system, a photovoltaic inverter and a controller.
  • the photovoltaic battery pack includes N photovoltaic cells, N is an integer greater than 1, and the photovoltaic battery pack is connected to the power grid or load through the photovoltaic inverter, and is stored.
  • the energy system is connected in parallel with the photovoltaic battery pack, and the energy storage system is connected to the power grid or to the load through the photovoltaic inverter.
  • the control method of the power supply system includes:
  • the controller acquires required power of a power grid or a load.
  • the controller may receive the required power of the grid or load obtained by the CT.
  • the controller acquires the generated power of the photovoltaic battery.
  • the controller may receive the generated power of the photovoltaic cell detected by the CT.
  • Steps 301 and 302 detect power by CT. It should be understood that the controller can obtain power by other means, which is not limited in this application.
  • the power generated by the photovoltaic cell is compared to the amount of power required on the grid side or the load side.
  • step 303 If it is determined in step 303 that the generated power of the photovoltaic battery pack is less than the required power of the power grid or the load, the step proceeds to 304 to continue to determine whether the power generation power of the photovoltaic battery pack is zero.
  • the controller controls the energy storage battery in the energy storage system to supply power to the power grid or the load.
  • the power generation power of the photovoltaic battery pack is continued to be zero, and only the energy storage battery in the energy storage system can be used to supply power to the power grid or the load.
  • the controller controls the energy storage battery in the photovoltaic battery group and the energy storage system to simultaneously supply power to the grid or the load.
  • the photovoltaic battery pack is insufficient to provide sufficient power to supply power to the power grid or load, which may be stored by The energy storage battery in the energy system supplies power to the grid or load, and the energy storage battery discharges.
  • step 303 If it is determined in step 303 that the power generated by the photovoltaic cell is not less than the required power of the grid or load, the step proceeds to 307 to continue to determine whether the power generated by the photovoltaic cell is equal to the required power of the grid or load.
  • the controller controls the photovoltaic battery pack to supply power to the grid or the load.
  • 303 obtains that the photovoltaic power generation power is not less than the required power of the grid or load, continue to 307 to obtain the photovoltaic power generation power equal to the required power of the grid or load, and then use the photovoltaic battery to separately supply power to the grid or load.
  • the controller controls the energy storage battery in the photovoltaic cell and the energy storage system to supply power to the grid or the load at the same time. Further, the controller can control the photovoltaic battery pack to charge the energy storage battery in the energy storage system.
  • 303 obtains that the photovoltaic power generation power is not less than the required power of the grid or load, continue to obtain 307 to obtain the photovoltaic power generation power is not equal to the power demand of the power grid or load, then use the photovoltaic battery pack to supply power to the grid or load, photovoltaic The battery pack power remains, and the controller can control the photovoltaic battery pack to charge the energy storage battery in the energy storage system.
  • the energy storage battery in the energy storage system in the present application may be charged by the photovoltaic battery group, or may be charged by the external environment in other ways when the photovoltaic battery pack is insufficiently charged to meet the demand.
  • the energy storage battery is used to supplement the power supply.
  • the present application can detect the power generated by the photovoltaic cell, the required power of the grid or the load, and other parameters such as the amount of electricity, and any parameters related to the charge and discharge requirements are within the protection scope of the present application.
  • the power supply system of the embodiment of the invention comprises a photovoltaic battery pack 11, an energy storage system 12, a photovoltaic inverter 13 and a controller 15, the photovoltaic battery pack comprises N photovoltaic cells, N is an integer greater than 1, and the photovoltaic battery pack passes the photovoltaic inverse
  • the transformer is connected to a grid or load, and the energy storage system is connected in parallel with the photovoltaic battery pack, and the energy storage system is connected to the grid or to the load through the photovoltaic inverter.
  • the controller is configured to acquire control information and control at least one of the photovoltaic battery pack and the energy storage system to supply power to the power grid or the load according to the control information.
  • the power supply system in the embodiment of the present invention can be used to supply power to the power grid 14 in the grid-connected state, and can also be used to power the load 14 in the off-grid state.
  • the power supply system increases the renewable energy by adding a plurality of photovoltaic cells, and arranges the energy storage system on one side of the photovoltaic battery, and controls the photovoltaic battery and/or by using the controller.
  • the energy storage system supplies power to the grid or load, thereby reducing the burden on the grid, reducing reliance on the grid, and increasing the utilization of renewable energy.
  • the control information in the embodiment of the present invention may be an external control signal received by the controller, such as a signal directly supplied by an external photovoltaic input battery.
  • the controller can receive the control signal and control at least one of the photovoltaic battery pack and the energy storage system to supply power to the grid or load according to the control signal.
  • the control signal only controls the energy storage system to be connected to the grid or the load
  • the energy storage battery in the energy storage system can be used to supply power to the grid or the load.
  • the control information may also be that the controller selectively uses the photovoltaic battery pack and/or the energy storage system to supply power according to the power generated by the photovoltaic battery pack and the required power of the grid or load.
  • the controller can be used to obtain the required power of the power grid or the load, and obtain the power generation power of the photovoltaic battery group, control the photovoltaic battery pack and the energy storage according to the required power of the power grid or the load, and according to the power generation power of the photovoltaic battery pack. At least one of the systems supplies power to the grid or load.
  • the current can be detected using a current transformer (CT), the required power of the grid can be detected using CT, or the required power of the load can be detected by the CT.
  • CT can also be used to detect the power generated by the photovoltaic cell.
  • the photovoltaic battery pack of the present application includes a plurality of photovoltaic cells, and the photovoltaic battery pack is connected to the load through the photovoltaic inverter.
  • the photovoltaic battery pack is also connected to the energy storage battery in the energy storage system through the bidirectional DC-DC, so that When the energy storage battery supplies power to the load, the convertible power in the circuit is no longer limited, which can improve the utilization rate of the photovoltaic cell and improve the discharge efficiency.
  • the energy storage system in the present application includes M energy storage batteries and M bidirectional DC/DC, wherein M energy storage batteries are connected in parallel, and M energy storage batteries are in one-to-one correspondence with M bidirectional DC/DCs, and M is positive. Integer.
  • Each energy storage battery is connected to the photovoltaic battery pack through a corresponding bidirectional DC/DC, and each energy storage battery is also connected to the power grid or load through a photovoltaic inverter. In this way, by adding a plurality of energy storage batteries, when the power of the photovoltaic battery pack is still supplied to the power grid or the load remains, the power is stored in the energy storage battery, so that the power of the subsequent photovoltaic battery pack is insufficient.
  • Multiple energy storage batteries result in greater storage capacity, lower requirements on the capacity of the energy storage battery, and improved light utilization.
  • the photovoltaic battery controller can be used to control the energy storage battery in the energy storage system to supply power to the grid or load.
  • the controller is used to control the energy storage cells in the photovoltaic cell and the energy storage system to simultaneously supply to the grid or load.
  • the controller is used to disconnect the energy storage system from the photovoltaic inverter and control the photovoltaic battery pack to supply power to the grid or load.
  • the controller is used to control the photovoltaic battery pack to supply power to the grid or load.
  • the controller is further configured to control the photovoltaic battery pack to charge the energy storage battery in the energy storage system when the power generation power of the photovoltaic battery pack is greater than the required power of the power grid or the load.
  • the controller in the power supply system in the embodiment of the present invention may perform the method in the flowcharts of FIG. 1 to FIG. 3, and to avoid repetition, details are not described herein again.
  • FIG. 5 is a block schematic diagram of a power supply system in accordance with another embodiment of the present invention.
  • the power supply system of FIG. 5 includes a photovoltaic battery pack composed of a plurality of PV panels, an energy storage system, a bidirectional DC-DC, a photovoltaic inverter, and a power grid.
  • the photovoltaic battery pack is connected to the grid via a photovoltaic inverter.
  • the energy storage system is connected to the grid through a bidirectional DC-DC, photovoltaic inverter.
  • the bidirectional DC-DC circuit diagram is shown in the figure.
  • Bidirectional DC-DC enables bidirectional conversion between DC high voltage and DC low voltage.
  • Inductor L is used to renew the power for boost or buck.
  • Switches K1, K2 are boost or buck switch controls.
  • the energy storage battery in the energy storage system can supply power to the grid, and the energy storage battery discharges.
  • the photovoltaic battery pack is sufficient to supply power to the grid, and when there is a surplus, the photovoltaic battery pack can also charge the energy storage battery in the energy storage system.
  • FIG. 6 is a block schematic diagram of a power supply system in accordance with another embodiment of the present invention.
  • Figure 6 illustrates an off-grid state in which the power supply system supplies power to the load as an example.
  • the power supply system of Figure 6 includes a photovoltaic battery pack, a direct current-alternating current (DC/AC) inverter, a current sampling module, a voltage sampling module, a bidirectional DC/DC, a voltage sampling module, a voltage and current sampling module.
  • the energy storage battery and battery manager, the battery manager can be the controller in Figure 4.
  • the photovoltaic cell stack can be connected to the load via a DC/AC inverter.
  • the current sampling module is used to collect the current on the DC side of the DC/AC inverter and transmit the sampling result to the bidirectional DC/DC to enable the output of the bidirectional DC/DC control voltage and current to meet the load usage.
  • the photovoltaic battery pack is connected to the energy storage battery and battery manager via a bidirectional DC/DC.
  • the voltage sampling module is used to collect the voltage of the photovoltaic battery pack and transmit the sampling result to the bidirectional DC/DC so that the bidirectional DC/DC follows the photovoltaic battery pack voltage output and protects the bidirectional DC/DC from damage due to overvoltage.
  • the voltage and current acquisition module can be used to collect the current and voltage of the energy storage battery, and transmit the power value calculated according to the sampling result to the bidirectional DC/DC, so that the DC/DC is charged or discharged.
  • Relay 1 is a battery relay that controls the connection of the energy storage battery to the bidirectional DC/DC.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
  • the meaning of "a plurality” is at least two, such as two, three, etc., unless specifically defined otherwise.
  • the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or integrated; can be mechanical or electrical connection; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction of two elements, unless otherwise specified Limited.
  • the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

Landscapes

  • 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

L'invention concerne un système d'alimentation électrique et un procédé de commande pour un système d'alimentation électrique. Le système d'alimentation électrique comprend un bloc-batterie photovoltaïque, un système de stockage d'énergie, un onduleur photovoltaïque et un dispositif de commande, le bloc-batterie photovoltaïque comprenant une pluralité de cellules photovoltaïques, le bloc-batterie photovoltaïque est connecté à un réseau ou à une charge à travers l'onduleur photovoltaïque, le système de stockage d'énergie et le bloc-batterie photovoltaïque sont connectés en parallèle, et le système de stockage d'énergie est connecté au réseau ou à la charge par l'intermédiaire de l'onduleur photovoltaïque. Le procédé de commande comprend les étapes suivantes : le dispositif de commande acquiert des informations de commande, et le dispositif de commande commande, en fonction des informations de commande, au moins l'un du bloc-batterie photovoltaïque et du système de stockage d'énergie pour alimenter le réseau ou la charge. De cette manière, la charge du réseau peut être réduite, et le taux d'utilisation d'énergie renouvelable est amélioré.
PCT/CN2018/077537 2017-03-30 2018-02-28 Système d'alimentation électrique et procédé de commande pour système d'alimentation électrique WO2018177062A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710202549.2A CN108667114A (zh) 2017-03-30 2017-03-30 供电系统和供电系统的控制方法
CN201710202549.2 2017-03-30

Publications (1)

Publication Number Publication Date
WO2018177062A1 true WO2018177062A1 (fr) 2018-10-04

Family

ID=63675195

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/077537 WO2018177062A1 (fr) 2017-03-30 2018-02-28 Système d'alimentation électrique et procédé de commande pour système d'alimentation électrique

Country Status (2)

Country Link
CN (1) CN108667114A (fr)
WO (1) WO2018177062A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113037089B (zh) * 2019-12-24 2023-10-31 维谛公司 一种谐振变换器的驱动方法及装置
CN115133872A (zh) * 2021-03-29 2022-09-30 华为数字能源技术有限公司 光储直流耦合系统及其检测方法
CN114050599A (zh) * 2021-12-02 2022-02-15 江苏曦日新能源科技有限公司 一种可调峰光伏发电系统及可调峰光伏发电方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201234223Y (zh) * 2008-07-01 2009-05-06 比亚迪股份有限公司 太阳能供电装置
CN201947047U (zh) * 2010-12-30 2011-08-24 比亚迪股份有限公司 一种电网供电系统
CN105656169A (zh) * 2014-11-28 2016-06-08 比亚迪股份有限公司 供电系统和供电系统的控制方法
CN106301208A (zh) * 2015-05-26 2017-01-04 比亚迪股份有限公司 太阳能储能系统及太阳能储能系统的控制方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5807201B2 (ja) * 2010-12-28 2015-11-10 パナソニックＩｐマネジメント株式会社 電力制御装置
CN207677451U (zh) * 2018-01-08 2018-07-31 三峡大学 一种适用于大功率风电消纳的微网组网系统

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201234223Y (zh) * 2008-07-01 2009-05-06 比亚迪股份有限公司 太阳能供电装置
CN201947047U (zh) * 2010-12-30 2011-08-24 比亚迪股份有限公司 一种电网供电系统
CN105656169A (zh) * 2014-11-28 2016-06-08 比亚迪股份有限公司 供电系统和供电系统的控制方法
CN106301208A (zh) * 2015-05-26 2017-01-04 比亚迪股份有限公司 太阳能储能系统及太阳能储能系统的控制方法

Also Published As

Publication number Publication date
CN108667114A (zh) 2018-10-16

Similar Documents

Publication Publication Date Title
KR101084214B1 (ko) 계통 연계형 전력 저장 시스템 및 전력 저장 시스템 제어 방법
US9276410B2 (en) Dual use photovoltaic system
JP5584763B2 (ja) 直流配電システム
CN105207258B (zh) 一种光伏直流微电网能量协调控制装置
KR101146670B1 (ko) 에너지 관리 시스템 및 이의 제어 방법
KR101698771B1 (ko) 배터리 온도 제어 시스템 및 그 제어 방법
US8946933B2 (en) Power management apparatus and method of operating the same
KR101678536B1 (ko) 배터리 온도 제어 시스템과 이를 구비한 전력 저장 시스템 및 그 제어 방법
US9293923B2 (en) Energy storage system and controlling method of the same
CN103441566A (zh) 一种市电、光伏电池和储能电池协同供电系统及方法
CN203617954U (zh) 一种新型风光储联合发电系统
CN102097821A (zh) 并网能量存储系统以及控制并网能量存储系统的方法
KR20130138611A (ko) 에너지 저장 시스템
CN104779645A (zh) 一种光伏发电系统及其控制方法
CN102074970A (zh) 能量管理系统和包括该能量管理系统的并网能量存储系统
KR101319959B1 (ko) 하이브리드 에너지 저장 시스템
CN103178553A (zh) 一种家用混合供电系统
CN101673963A (zh) 基于两重直流母线控制的通信基站用风光互补发电系统
KR20130054754A (ko) 태양광 발전 장치 연계형 전원공급시스템
JP2012010531A (ja) 直流配電システム
WO2018177062A1 (fr) Système d'alimentation électrique et procédé de commande pour système d'alimentation électrique
KR20150106694A (ko) 에너지 저장 시스템과 그의 구동방법
CN210327132U (zh) 一种充电装置及直流光储充一体化车棚
CN105262436A (zh) 光伏电力系统及通信基站电力一体机
KR20140013553A (ko) 하이브리드 발전 시스템

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18775183

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18775183

Country of ref document: EP

Kind code of ref document: A1