A test platform for large-scale energy storage converters

A technology for energy storage converters and test platforms, which is applied in the direction of instruments, measuring electronics, and measuring devices. It can solve the problems of large-capacity batteries, high maintenance costs, poor consistency, etc., and achieve flexible and controllable power levels. The effect of digitalization and long service life

Active Publication Date: 2016-08-31
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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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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  • A test platform for large-scale energy storage converters
  • A test platform for large-scale energy storage converters
  • A test platform for large-scale 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 in conjunction with the 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 connected to ...

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Abstract

The invention provides a test platform for large-scale energy storage converters, including the energy storage converters connected to the host computer monitoring system, and the input and output ends of the energy storage converters are respectively passed through the battery simulation system and the anti-corrosion system. The island detection device is connected to the power grid; the 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-scale energy storage converters provided by the present invention has strong applicability and stable performance, and can effectively improve the testing of the electrical performance and grid-connected performance of large-scale energy storage converters accuracy.

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 Patents(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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