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[5, 2020] 

Journal of Electrical Engineering, Vol 71, 5 (2020) 333-339 10.2478/jee-2020-0045

Application and verification of partial discharge measurement system for power cable based on oscillating wave voltage

Guangke Xu – Xing Li – Weiwei Zhang – Yuxin Yun –
Lingying Chen – Jiahua Shen – Guoming Wang – Gyung-Suk Kil

   Compared with conventional methods for insulation performance evaluation of power cables, the oscillating wave test system used in partial discharge measurement for power cables has advantages of high integrity, easy operation, low power consumption, and compact size in addition, partial discharge, defect localization, and dielectric loss can be measured simultaneously without any damage to cable insulation. Therefore, the oscillating wave test system has been widely applied for insulation performance evaluation of newly installed as well as fault power cables. However, there is no study so far on the verification method of oscillating wave test system. This paper dealt with the application and verification for cable partial discharge measurement devices based on oscillating wave voltage, which is aimed to verify performances of oscillating wave voltage generator, partial discharge measurement, and partial discharge localization. The proposed verification system is expected to be applied in the admittance testing and regular verification of oscillating wave test system, for the purpose of improving the its accuracy and standardization in partial discharge measurement of power cable.

Keywords: power cable oscillating wave voltage; partial discharge; measurement; verification system


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