Present Situation and Prospect of Internal Sensors for UHF Detection in GIS

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This paper summarizes the application situation of the ultra-high frequency (UHF) method in gas insulated switchgear (GIS) partial discharge detection, as well as the differences between internal and external UHF sensors. The performance indicators of internal sensors are introduced, and five main types of internal sensors are discussed and evaluated. In addition, several problems to be solved are posed for researchers.

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38-41

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March 2015

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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