Online Loss Parameters Diagnosis Device Development of Power Cable Insulation

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DOI: 10.4236/epe.2017.94B026    2,696 Downloads   3,521 Views  

ABSTRACT

In southern China, power cable lines often running in water, and the state of XLPE insulation is difficult to detection effectively. This paper studied loss parameters online diagnosis technology of power cable insulation. An online loss parameters diagnosis device was development, which consists of current comparator, voltage controlled current source (VCCS), standard capacitor, GPRS wireless transmission system, control system and the data processing unit. 108 cables were detected using this device, and it was found out that one cable appeared to middle aging and eight cables appeared to slight aging. The butterfly water trees were observed in middle aging cable, which prove the effectiveness of online testing in the loss current measurement.

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Chen, J. , Li, C. , Hu, L. , Cao, J. and Tan, X. (2017) Online Loss Parameters Diagnosis Device Development of Power Cable Insulation. Energy and Power Engineering, 9, 216-223. doi: 10.4236/epe.2017.94B026.
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