Battery energy storage system and power supply system

A technology of a battery energy storage system and a battery management system, applied in the field of energy storage, can solve the problems of system shutdown, battery energy storage system system shutdown, affecting power grid power supply, etc., to solve system shutdown, improve stability and reliability, reduce Effects of Internal Communication Failures

Active Publication Date: 2017-03-08
CONTEMPORARY AMPEREX RUNZHI SOFTWARE TECH LTD NINGDE CITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The battery energy storage system provided by the related technology sometimes fails to stop the system, thus affecting the power supply to the grid
The inventor analyzed a large number of system stop failures, and found that the system stop of the battery energy storage system may occur due to the internal communication failure of the battery energy storage system

Method used

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  • Battery energy storage system and power supply system
  • Battery energy storage system and power supply system
  • Battery energy storage system and power supply system

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Embodiment Construction

[0012] The present application will be described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.

[0013] figure 1 A schematic diagram of a battery energy storage system according to an embodiment of the present application is shown. Such as figure 1 As shown, the battery energy storage system includes: EMS 10, PCS 20 and energy storage unit 30. PCS 20 includes a power conversion unit 22 and a controller 24 connected to each other through switching devices. IGBT, for the PCS with less power, MOSFET can be used. The energy storage unit 30 includes a battery pack (Battery Pack) 32 and a BMS 34 connected to each other through a power line. The EMS 10, the controller 24 and the BMS 34 all have Communication links, that is, there is a communication link 42 between the EMS 10 and the controller 24 , there is a communication link 44 between the EMS 10 and the BMS 34 , and there is a communication link 46 between th...

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PUM

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Abstract

The invention discloses a battery energy storage system. The battery energy storage system comprises an EMS (Energy Managing System), a PCS (Power Conversion System) and an energy storage unit, wherein the PCS comprises a power conversion part and a controller which are mutually connected through a switching device, the energy storage unit comprises a battery pack and a BMS (Battery Managing System) which are mutually connected through a power line, and communication lines exist among the EMS, the controller and the BMS. The invention further provides a power supply system, which is provided with the battery energy storage system. The battery energy storage system and the power supply system have the advantages that the problem of system stop in relevant techniques is solved, and the stability and the reliability of the battery energy storage system and the entire power supply system are improved.

Description

technical field [0001] The present application relates to the technical field of energy storage, in particular to a battery energy storage system and a power supply system. Background technique [0002] The battery energy storage system can solve the randomness and volatility problems of new energy power generation and electric vehicle charging, realize the smooth output of new energy power generation, and effectively adjust the grid voltage, frequency and phase changes caused by new energy power generation and electric vehicle charging . [0003] The battery energy storage system provided by the related art sometimes fails to stop the system, thus affecting the power supply to the grid. The inventor analyzed a large number of system stop failures, and found that the battery energy storage system may be stopped due to communication failures inside the battery energy storage system. Contents of the invention [0004] The purpose of this application is to provide a battery...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J15/00H02J3/32
CPCY02E40/10
Inventor 梅敬瑶胡建国
Owner CONTEMPORARY AMPEREX RUNZHI SOFTWARE TECH LTD NINGDE CITY
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