NDLI: Withstand voltage testing in combination with PD measurements of XLPE cables under damped alternating voltage on-site

Content Provider	IEEE Xplore Digital Library
Author	Sun Zhenquan Zhao Xuefeng Li Jisheng Li Yanming
Copyright Year	2009
Description	Author affiliation: State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering Xi'an Jiaotong University, Xi'an,710049, China (Sun Zhenquan; Zhao Xuefeng; Li Jisheng; Li Yanming)
Abstract	As an after-laying test, withstand voltages and PD measurements of XLPE cables on-site have been finished respectively for many years. Standard test procedures using continuous AC voltages are very cost intensive due to the high capacitive power demand of the cables and the resulting large sizes of the test sets. The contribution paper presents that withstand voltage testing in combination with PD measurements of XLPE cables will be done at the same time under damped alternating voltage on-site. Based on the field experiences including withstand voltage testing and PD detections, a damped alternating current (DAC)voltage generator and a transducer of PD pulse measurement were developed in the laboratory. We established a typical defects model of 10kV XLPE power cables. For these samples, the applied voltage peak value is from 14–34 kV, simultaneously the PD is measured. The insulation conditions of the samples can be evaluated according to the records of withstand voltage tests and non-destructive dielectric tests. Based on these test models, this paper deems that the damped alternating voltage is an effective test method showing a very high sensitivity of PD detection and recognition of electrical treeing for XLPE cables on-site. using the damped alternating voltage, Both voltage withstand testing and partial discharge testing are made at the same time, we can confirm roundly and accurately the situation of XLPE cables. The future work is that a large of field data based on real XLPE cables needs to accumulate for a long time. In particular, the database of PDs need to set up.
Starting Page	43
Ending Page	46
File Size	316334
Page Count	4
File Format	PDF
ISBN	9781424445578
ISSN	00849162
DOI	10.1109/CEIDP.2009.5377901
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-18
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Voltage Cables Partial discharges Insulation testing Nondestructive testing Costs Power demand Time measurement AC generators Pulse generation
Content Type	Text
Resource Type	Article

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Withstand voltage testing in combination with PD measurements of XLPE cables under damped alternating voltage on-site

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