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Energy storage system test method and device

A technology of an energy storage system and a test method, which is applied in the direction of measuring devices, circuit devices, battery circuit devices, etc., can solve the problems of inability to test the energy storage system, low accuracy of the test of the energy storage system, and inability to reflect the situation of the energy storage system, etc. Achieve cost savings and improve accuracy

Pending Publication Date: 2022-05-27
SUNGROW ENERGY STORAGE TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing tests on battery energy storage systems are mainly to test single cells or battery clusters composed of single cells, which cannot test the overall energy storage system and cannot reflect the actual working conditions of the energy storage system. The test accuracy of the system is low

Method used

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  • Energy storage system test method and device
  • Energy storage system test method and device
  • Energy storage system test method and device

Examples

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Embodiment Construction

[0051] In order to make those skilled in the art better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only Embodiments are part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0052] It should be noted that the terms "first", "second" and the like in the description and claims of the present invention and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used may be interchanged under appropriate ...

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Abstract

The invention discloses an energy storage system testing method and device. The energy storage system test method comprises the following steps: controlling a first battery box to charge a second battery box; controlling the first battery box to discharge to a first preset electric quantity and controlling the second battery box to charge to a second preset electric quantity; wherein the first battery box comprises a plurality of battery clusters, and the second battery box comprises a plurality of battery clusters; controlling the second battery box to charge the first battery box; the first battery box is controlled to be charged to third preset electric quantity, and the second battery box is controlled to be discharged to first preset electric quantity; controlling the power grid to charge the second battery box to a second preset electric quantity; and controlling the battery management system to detect the capacity of the first battery box and the capacity of the second battery box. According to the technical scheme provided by the embodiment of the invention, the effects of testing the whole energy storage system and improving the detection accuracy of the energy storage system are achieved.

Description

technical field [0001] The present invention relates to the technical field of batteries, and in particular, to a method and device for testing an energy storage system. Background technique [0002] With the rapid development of battery energy storage systems, the performance requirements of battery energy storage systems are getting higher and higher. Therefore, it is necessary to carry out factory tests on battery energy storage systems. [0003] The existing tests of battery energy storage systems mainly test single cells or battery clusters composed of single cells, and cannot test the overall energy storage system and cannot reflect the actual working conditions of the energy storage system. The test accuracy of the system is low. SUMMARY OF THE INVENTION [0004] The present invention provides a method and device for testing an energy storage system, so as to test the entire energy storage system and improve the detection accuracy of the energy storage system. [...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00H02J7/34G01R31/36
CPCH02J7/0013H02J7/0014H02J7/0025H02J7/0048H02J7/007H02J7/342G01R31/36Y02E60/10
Inventor 蔡兴龙王正阳邵俊伟
Owner SUNGROW ENERGY STORAGE TECH CO LTD
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