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Direct-current measurement system testing platform of direct-current power transmission project and testing method of direct-current power transmission project

A measurement system and direct current transmission technology, applied in general control systems, control/regulation systems, instruments, etc., can solve the problems of immature methods and platforms, and achieve the effects of convenient testing, simple structure, and simple operation

Active Publication Date: 2014-10-08
ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
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Problems solved by technology

[0003] The independent DC measurement system was gradually introduced after the appearance of the UHV DC project. There is no mature model for how to better test the independent DC measurement system. There is no specific test for the DC measurement system based on the simulation platform to simulate the actual DC operating conditions. Proven Methodology and Platform

Method used

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  • Direct-current measurement system testing platform of direct-current power transmission project and testing method of direct-current power transmission project

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Embodiment Construction

[0022] In order to test the accuracy and response characteristics of the DC measurement system of the DC transmission project, it is necessary to establish a corresponding platform and a detailed test plan. The main realization principles, specific implementation modes and corresponding beneficial effects of the platform scheme and test method implemented in the present invention will be described in detail below.

[0023] The structure schematic diagram of the test platform of the DC measurement system of the DC transmission project based on the real-time simulation of the present invention is as follows: figure 1 As shown, it includes a real-time simulation workstation 6, an RTDS real-time digital simulator 7, an analog output board 8, an optical measurement device 9, a DC measurement system 10, and a fault recording device 11, wherein the real-time simulation workstation 6 and the RTDS real-time digital simulation The RTDS real-time digital simulator 7 is connected to the a...

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Abstract

The invention provides a direct-current measurement system testing platform of a direct-current power transmission project and a testing method of the direct-current power transmission project, and particularly relates to a direct-current measurement system testing platform of a direct-current power transmission project and a testing method of the direct-current power transmission project on basis of real-time simulation. The testing platform comprises a real-time simulation work station, an RTDS real-time digital simulator, an analog quantity output board card, a light measurement device, a direct-current measurement system and a fault recording device, the real-time simulation work station is connected with the RTDS real-time digital simulator which is connected with the analog quantity output board card, the analog quantity output board card is respectively connected with the light measurement device and the fault recording device, the light measurement device is connected with the direct-current measurement system, and the direct-current measurement system is connected with the fault recording device. The direct-current measurement system testing platform and the testing method can be applied to testing precision and response characteristics of a project actual measurement system and can be used for testing measurement precision, response characteristics and the like of the direct-current measurement system of an actual direct-current power transmission system. The testing method is easy to operate, convenient to use and practical.

Description

technical field [0001] The invention relates to a test platform and a test method for a DC measurement system of a DC transmission project in the field of testing an independent DC measurement system of a DC transmission project, in particular to an innovative platform and method for testing the accuracy and response characteristics of a DC measurement system of a DC transmission project based on real-time simulation , which belongs to the innovative technology of the real-time simulation-based DC measurement system test platform and test method for DC transmission projects. Background technique [0002] In many DC projects, the secondary measurement of electrical quantities such as DC voltage and DC current is separated from the control and protection system and becomes an independent DC measurement system. The accuracy and response characteristics of the DC measurement system play an important role in the reliable operation of the DC transmission control and protection syst...

Claims

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Application Information

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IPC IPC(8): G01R31/08G05B17/02
Inventor 李书勇郭琦饶宏黄立滨韩伟强欧开健张建设崔柳
Owner ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
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