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Interface conversion device and conversion method thereof for running test of serial thyristor valve

An interface conversion, thyristor valve technology, applied in the direction of single semiconductor device testing, etc., can solve problems such as mutual incompatibility, achieve strong compatibility, reduce the risk of thyristor valve failure, and ensure the effect of simultaneity and consistency

Active Publication Date: 2014-04-02
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Valves and trigger monitoring systems from different manufacturers adopt different technical solutions, and are usually incompatible with each other, so the running test can only be carried out on valves with which the trigger monitoring system is compatible.

Method used

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  • Interface conversion device and conversion method thereof for running test of serial thyristor valve
  • Interface conversion device and conversion method thereof for running test of serial thyristor valve

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Embodiment Construction

[0028] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0029] Such as figure 1 , the present invention provides an interface conversion device for the operation test of a series thyristor valve, the device includes a signal acquisition and conditioning unit, a signal processing unit, a programmable logic unit, a signal synchronization conversion unit and a communication unit; the signal acquisition and conditioning unit , a signal processing unit, a programmable logic unit and a signal synchronous conversion unit are sequentially connected, and the signal processing unit is connected to the valve base electronic equipment through the communication unit.

[0030] The signal acquisition and conditioning unit receives the trigger signal sent by the valve-based electronic equipment, and preprocesses the input trigger signal to obtain a conditioning signal, and sends the conditioning signal to the signal processing un...

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Abstract

The invention provides an interface conversion device and a conversion method thereof for running test of a serial thyristor valve. The device comprises a signal collection and conditioning unit, a signal processing unit, a programmable logic unit, a signal synchronous conversion unit and a communication unit, wherein the signal collection and conditioning unit, the signal processing unit, the programmable logic unit and the signal synchronous conversion unit are sequentially connected, and the signal processing unit is connected with valve base electronic equipment through the communication unit. The interface conversion device for the running test of the serial thyristor valve has the advantages that various types of triggering and detection commands sent by a testing device can be converted into different commands which can be identified and executed by valves, the cooperation of the testing device and the valves is ensured, and various valve tests can be jointly carried out; the flexibility, adaptability, compatibility and reliability of the testing device are improved, and meanwhile the testing efficiency and the utilization rate of equipment are improved.

Description

technical field [0001] The invention relates to a conversion device, in particular to an interface conversion device and a conversion method for operation tests of serial thyristor valves. Background technique [0002] High-voltage series thyristor valves are high-power power electronic devices widely used in the fields of flexible alternating current transmission (FACTS) and direct current transmission (HVDC) technology. It is usually composed of multiple thyristors and their auxiliary circuits connected in series, and the valve structure and the number of series connection of thyristors can be selected according to different applications and voltage levels. Thyristor series valves designed and manufactured by different manufacturers have their own technical characteristics, which are mainly reflected in the design aspects of external dimensions, process structure and electrical parameters. Different valves are also designed with dedicated trigger and interface circuits to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/26
Inventor 李跃张堃王秀环李景波
Owner STATE GRID CORP OF CHINA
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