A synthetic circuit test synchronous control system suitable for high-voltage circuit breakers

A high-voltage circuit breaker and synthetic circuit technology, which is applied in the field of synchronous control systems for synthetic circuit tests on high-voltage circuit breakers, can solve problems such as low precision, low reliability, and unintuitive test parameters

Active Publication Date: 2016-06-01
BEIHANG UNIV
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] The traditional synchronous control unit mostly adopts the method of analog signal comparison to obtain the ignition signal of the arc extension circuit and the high voltage circuit, which has low precision, unintuitive test parameters, poor versatility, low reliability and low test success rate

Method used

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  • A synthetic circuit test synchronous control system suitable for high-voltage circuit breakers
  • A synthetic circuit test synchronous control system suitable for high-voltage circuit breakers
  • A synthetic circuit test synchronous control system suitable for high-voltage circuit breakers

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Embodiment Construction

[0040] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0041] The present invention provides a synthetic circuit test synchronous control system suitable for high-voltage circuit breakers. The system sends the preset setting time to the processing and control unit 20 through the test command generation unit 10, and the signal conditioning unit 30 receives the current collected by the magnetic potentiometer. The signal, processing and control unit 20 fuses the preset setting time and the current signal, and outputs a time synchronization signal as an instruction for driving the execution unit 40 to drive the arc extension circuit and the voltage circuit. The system collects the current signal of the current loop through the magnetometer, and makes the ignition ball act according to the current signal and the preset setting time, so as to ensure that the input time of the arc extension loop and the voltage loop meet...

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Abstract

The invention discloses a synthetic loop test synchronous control system suitable for a high-voltage breaker. According to the system, a preset setting time is sent to a processing and controlling unit (20) through a test instruction generating unit (10), a signal conditioning unit (30) receives current signals collected by a magnetic potentiometer, and the processing and controlling unit (20) is used for integrating the preset setting time and the current signals and outputting time synchronization signals, wherein the time synchronization signals are used as instructions for driving a driving and executing unit (40) to drive a delaying arc loop and a voltage loop. According to the system, the magnetic potentiometer is used for collecting the current signals of a current loop, an ignition bulb is made to move according to the current signals and the preset setting time, and therefore it is guaranteed that the application time of the delaying arc loop and the voltage loop meets the requirements for test time synchronization.

Description

technical field [0001] The present invention relates to a synchronous control system, more particularly, to a synchronous control system for performing a synthetic circuit test on a high-voltage circuit breaker. Background technique [0002] When carrying out the breaking capacity test on the high voltage circuit breaker, it is necessary to have a set of large-capacity test power supply. For this reason, people have been looking for a method to carry out the required test with less investment and equipment area. The synthetic test circuit tests the high-voltage large-capacity circuit breaker by combining the current source with lower voltage and the voltage source with higher voltage, which can significantly reduce the requirements for the capacity of the test equipment, and the equivalence is also recognized. [0003] In the synthesis test, the breaking current and recovery voltage are provided by two power sources respectively. The parallel current used is introduced into...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/327
Inventor 武建文蒋原王贺飞
Owner BEIHANG UNIV
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