NDLI: Statistical characteristics of partial discharge caused by typical defects in cable joint under oscillating voltage

Content Provider	IEEE Xplore Digital Library
Author	Guangmao Li Zuwei Luo Jun Xiong Zucheng Huang Yajun Wang
Copyright Year	2014
Description	Author affiliation: State Key Lab. of Power Transm. Equip. & Syst. Security & new Technol., Chongqing Univ., Chongqing, China (Yajun Wang) \|\| Guangzhou Power Supply Bur., Guangzhou, China (Guangmao Li; Zuwei Luo; Jun Xiong; Zucheng Huang)
Abstract	The oscillating voltage test is a nondestructive detection method for partial discharge of XLPE cable and has been applied recently. This paper made three kinds of varying severity artificial defect model of cable joints in 10 kV XLPE cable. Oscillating voltage is applied to the model, by use of pulse current method to detect partial discharge signals. In order to study the statistical characteristics of partial discharge of cable joint under the oscillating voltage, three-dimensional statistical map has been made. The results show that for the same kind of defects, with the increases of the defect severity, the discharge interval extended, the magnitude and the number of partial discharge increase; for different kinds of defects, obvious difference exist among the maps, this may established a foundation for the further study of the partial discharge pattern recognition of XLPE cable under oscillating voltage.
Starting Page	1368
Ending Page	1373
File Size	838417
Page Count	6
File Format	PDF
ISBN	9781479950324
DOI	10.1109/POWERCON.2014.6993672
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-10-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power cables Partial discharges Power cable insulation Cable shielding Testing Joints three-dimensional statistical map XLPE cable cable joint defect model partial discharge oscillating voltage
Content Type	Text
Resource Type	Article

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Simulation and partial discharge detection for typical defects of 10 kV cable the joint

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