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Test platform for large energy storage converters

A technology for energy storage converters and test platforms, applied in the fields of instruments, measuring electricity, measuring devices, etc., can solve the problems of high maintenance costs, large-capacity batteries, and poor consistency, etc., and achieves easy digitization, flexible power levels. Control and long service life

Active Publication Date: 2014-02-26
STATE GRID CORP OF CHINA +2
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0003] At present, the conventional energy storage converter test platform needs to be equipped with a battery that matches the capacity of the test prototype. However, there are many types of batteries, and the battery life and charge and discharge characteristics are affected by the use time, and the consistency is poor; and large-capacity batteries require a lot of investment. , high maintenance cost

Method used

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  • Test platform for large energy storage converters
  • Test platform for large energy storage converters
  • Test platform for large energy storage converters

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Embodiment Construction

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application.

[0029] figure 1 and figure 2 The schematic diagram and structural diagram of the test platform of the energy storage converter in this embodiment are respectively shown; the test platform includes a host computer monitoring system, a battery simulation system, an energy management device, an anti-islanding detection device, and an energy storage converter detection device , power grid and step-down transformer; power grid includes 10kV public power grid and simulated power grid; energy management device and energy storage converter detection device carry out data transmission with the host computer monitoring system through Ethernet or RS485 interface or RS232 interface or USB interface or GPIB interface and communications;

[0030] When the test platform is co...

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Abstract

The invention provides a test platform for large energy storage converters, comprising an energy storage converter connected with an upper computer monitoring system. The input end and the output end of the energy storage converter are respectively connected with a power grid through a battery simulation system and an anti-islanding detection device. An energy storage converter detection device is connected across the two ends of the energy storage converter. The battery simulation system includes an energy management device. Compared with the prior art, the test platform for large energy storage converters, provided by the invention, is strong in applicability and stable in performance and can effectively improve the test accuracy of electric performance and grid connection performance of large energy storage converters.

Description

technical field [0001] The invention relates to a test platform for a converter, in particular to a test platform for a large energy storage converter. Background technique [0002] With the development of distributed power generation technology, large-capacity energy storage systems have been more and more widely used. In the energy storage system, the energy storage converter is the key equipment connecting the grid and the battery, as well as the power station and the battery. Therefore, the stable operation of the energy storage converter in the distributed power generation system is very important. In order to ensure the stable operation of the distributed power generation system, it is essential to test the safety, stability, electrical characteristics and protection performance of the energy storage converter. At present, the domestic standard for energy storage converters is only the energy industry standard NB / T31016-2011 "Technical Conditions for Battery Energy St...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00G01R31/36
Inventor 夏烈张军军郭重阳李政周荣蓉
Owner STATE GRID CORP OF CHINA
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