High-potential board card testing device and method of thyristor converter valve

Abstract

The invention discloses a high-potential board card testing device and method of a thyristor converter valve. The high-potential board card testing device comprises one or more thyristor testing toolsof high-potential board cards, a waveform generation unit, a waveform collecting unit, a man-machine interaction unit and a control unit; the man-machine interaction unit is used for receiving a board card selecting instruction; the control unit is used for controlling the waveform generation unit to generate excitation signals corresponding to the to-be-tested high-potential board cards according to the board card selecting instruction and controlling the thyristor testing tools corresponding to the to-be-tested high-potential board cards to be connected with the to-be-tested high-potentialboard cards to test the to-be-tested high-potential board cards; the waveform collecting unit is used for collecting various signal waveforms in the testing process of the to-be-tested high-potentialboard cards; and the control unit is further used for analyzing and processing the various signal waveforms in the testing process of the to-be-tested high-potential board cards to obtain testing results and controlling the man-machine interaction unit to display the testing results. The purpose of testing the various types of high-potential board cards can be achieved.

Description

technical field [0001] The invention relates to the field of power systems, in particular to a testing device and a testing method for a high-potential board card of a thyristor converter valve. Background technique [0002] This section is intended to provide a background or context to embodiments of the invention that are recited in the claims. The descriptions herein are not admitted to be prior art by inclusion in this section. [0003] The converter valve is the core equipment of the high-voltage DC output project. The converter valve adopts a modular design and consists of multiple thyristors connected in series. Each level of thyristor needs to be equipped with a high-potential board. Therefore, the detection of high-potential boards is an important task in the maintenance of converter stations and troubleshooting of converter valve systems. At present, the existing high-potential board detection method is to manually detect each high-potential board, because each p...

AI Technical Summary

Problems solved by technology

[0005] An embodiment of the present invention provides a thyristor converter valve high-potential board card testing device to solve the technical problem that the existing technology can only test a single type of high-potential board, resulting in poor versatility. The device includes: at least one Thyristor test tooling, waveform generation unit, waveform acquisition unit, human-computer interaction unit, and control unit for high-potential boards; among them, the human-computer interaction unit is used to receive board selection instructions, and the board selection instructions include high-potential boards to be tested The type of card; the control unit is connected with the human-computer interaction unit, and is used to control the waveform generation unit to generate the excitation signal corresponding to the high-potential board to be tested according to the board selection instruction, and to control the thyristor test corresponding to the high-potential board to be tested The tooling is connected to the high-potential board to be tested to test the high-potential board to be tested; the waveform acquisition unit is connected to the high-potential board to be tested and the thyristor test tooling corresponding to the high-potential board to be tested to collect the high-potential board to be tested. Various signal waveforms during the testing process of the potential board; among them, the control unit is also used to analyze and process various signal waveforms during the testing process of the high potential board to be tested, obtain the test results, and control the human-computer interaction unit to display the test results

[0006] The embodiment of the present invention also provides a method for testing high potential boards of thyristor converter valves. Potential plate testing leads to the technical problem of poor versatility. The method includes: receiving a board selection instruction, wherein the board selection instruction includes at least the type of the high-potential board to be tested; according to the board selection instruction, outputting the high-potential board to be tested The excitation signal corresponding to the board; receive the test instruction, wherein the test instruction includes an instruction to test at least one parameter of the high-potential board to be tested; collect various signal waveforms during the test of the high-potential board to be tested; Analyze and process various signal waveforms during the high-potential board test process to obtain test results; output test results

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