Method and system for evaluating health status of cascade utilization battery energy storage system

A technology of battery state of health and battery energy storage system, which is applied in the direction of measuring electricity, measuring electrical variables, measuring devices, etc.

Active Publication Date: 2019-02-05
CHINA ELECTRIC POWER RES INST +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The technical solution of the present invention provides a method and system for evaluating the health status of the cascade utilization battery energy storage system to solve the problem of how to evaluate the health status of the cascade utilization battery energy storage system

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  • Method and system for evaluating health status of cascade utilization battery energy storage system
  • Method and system for evaluating health status of cascade utilization battery energy storage system
  • Method and system for evaluating health status of cascade utilization battery energy storage system

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Embodiment Construction

[0051] Exemplary embodiments of the present invention will now be described with reference to the drawings; however, the present invention may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for the purpose of exhaustively and completely disclosing the present invention. invention and fully convey the scope of the invention to those skilled in the art. The terms used in the exemplary embodiments shown in the drawings do not limit the present invention. In the figures, the same units / elements are provided with the same reference numerals.

[0052] Unless otherwise specified, the terms (including scientific and technical terms) used herein have the common understanding meanings to those skilled in the art. In addition, it can be understood that terms defined by commonly used dictionaries should be understood to have consistent meanings in the context of their related fields, and should not be understood as idealize...

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Abstract

The invention discloses a method and system for evaluating health status of a cascade utilization battery energy storage system. The method for evaluating the health status of the cascade utilizationbattery energy storage system comprises the steps that charging and discharging experiments are carried out on a selected cascade utilization battery to obtain battery status parameter data; correlation between the battery status parameter data and battery health status is analyzed, and a correlative correlation coefficient between the battery status parameter data and the battery health status isdetermined; a health factor affecting the health status of the battery is determined according to the correlation coefficient; and the health status of the cascade utilization battery is evaluated through the health factor.

Description

technical field [0001] The present invention relates to the technical field of battery energy storage, and more specifically, to a method and system for evaluating the health status of cascade utilization battery energy storage systems. Background technique [0002] In recent years, with the research and development of electrical energy storage technology, energy storage technology has been applied in many fields such as transportation, electric power, and telecommunications. At the same time, with the research of electrochemical energy storage technology, the cost of energy storage system has also decreased, but its large-scale application is still limited by its high cost, and it is still unable to form a commercial promotion. [0003] With the rapid development of pure electric new energy vehicles, according to international general standards, in order to ensure the driving range and safe operation, the battery of the car must be replaced when the remaining 80% capacity. ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/392
Inventor 李相俊许格健王上行贾学翠毛海波杨水丽马会萌李娜王开让邵尹池
Owner CHINA ELECTRIC POWER RES INST
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