Check the health of the battery storage

A technology of memory and energy storage, which is applied in the direction of measuring electricity, secondary batteries, and measuring electric variables, etc. It can solve problems such as insufficient reliable evaluation of warranty claims, and achieve the effect of improving availability and reducing cost.

Inactive Publication Date: 2019-07-12
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore it is always only possible to analyze the behavior of the battery memory during the short period that has just passed
Especially in view of the high lifetime of battery memories, this "transient recording" is not sufficient to reliably assess possible warranty claims by the user against the battery system manufacturer

Method used

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  • Check the health of the battery storage
  • Check the health of the battery storage
  • Check the health of the battery storage

Examples

Experimental program
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Embodiment Construction

[0022] exist figure 1 A modular energy storage system 1 constructed for a medium voltage grid is shown in . The energy storage system 1 includes a plurality of storage containers 2 and a central controller unit 3 . A plurality of energy storage cabinets 4 are arranged in each storage container 2 , each with a combined control, regulation and network connection cabinet 5 and a converter 14 . In each energy storage cabinet 4 there are a plurality of battery stores 6 consisting of lithium-ion battery modules and a battery management system 7 for controlling the state of charge of the battery stores 6 . The rated power of the energy storage cabinet 4 is, for example, 32 kW to 96 kW.

[0023] According to the type and manufacturer of the battery memory 6, the characteristic quantity range, event and state are defined first.

[0024] As an alternative to data storage of all operating characteristics, during operation of the battery store 6 , the characteristic variable ranges are...

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Abstract

The invention relates to a method for monitoring the behavior of a battery store of an energy storage system. In order to provide a practical technical solution for monitoring the operation of the battery storage (6), a continuous build-up usage profile (8, 9, 10) is proposed, which depicts the operation of the battery storage (6) with the help of descriptive statistics Happening.

Description

technical field [0001] The invention relates to a method for monitoring the operating state of a battery store of an energy storage system. Furthermore, the invention relates to an energy storage system and a computer program. Background technique [0002] A battery storage is understood below to mean a system of rechargeable storage batteries. Such battery stores, for example in the form of modularly constructed battery cabinets, are used, for example, to power industrial operations. This energy store is connected to a converter for rectifier and inverter operation for coupling to the alternating grid and for ensuring stable network operation. [0003] The service life of a battery memory strongly depends on its operation. Important characteristic variables for this are, for example, the thermal load of the battery, the state of charge (SOC) and its time profile, the number of charge and discharge cycles and the depth of the individual charge cycles. Critical events suc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/36H01M10/48
CPCG01R31/392G01R31/367H01M10/48H01M10/482H01M2010/4278Y02E60/10H01M10/425H01M2010/4271
Inventor C.克尔迈耶P.埃克特K.雷切伯格
Owner SIEMENS AG
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