PARTIAL DISCHARGE DETECTING DEVICE AND METHOD THEREOF

The invention provides a partial discharge detecting device, and the device is suitable for a high-voltage switch cabinet. The device comprises a first sensor, a second sensor, and a control unit. Thehigh-voltage switch cabinet has a function of converting a high-voltage power supply into a househol...

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Hauptverfasser: LIU CHUNG-LIN, WU CHIEN-HSIEN, YANG SHIHIEH, HSU DONG-YAW
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creator LIU CHUNG-LIN
WU CHIEN-HSIEN
YANG SHIHIEH
HSU DONG-YAW
description The invention provides a partial discharge detecting device, and the device is suitable for a high-voltage switch cabinet. The device comprises a first sensor, a second sensor, and a control unit. Thehigh-voltage switch cabinet has a function of converting a high-voltage power supply into a household power supply. A first sensor detects a grounding current of a grounding line of the high-voltagepower supply at a first frequency band to generate a first voltage signal, and a second sensor detects a microwave signal at a second frequency band in the high-voltage power supply to generate a second voltage signal, wherein the second frequency band is higher than the first frequency band. When the first voltage signal and the second voltage signal are generated at the same time, a control unitjudges that the high-voltage switch cabinet performs the partial discharge, and generates a notification signal. The device provided by the invention can improve the partial discharge detection efficiency. 本发明提供种局部放电检测装置,适用于高压
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subjects MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title PARTIAL DISCHARGE DETECTING DEVICE AND METHOD THEREOF
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