NDLI: The application of HV ceramic capacitors to VHF PD monitoring in hydrogenerators

Content Provider	IEEE Xplore Digital Library
Author	Wang Kai Xu Yang Fang Qiong Chen Wei Cao Xiaolong
Copyright Year	2003
Description	Author affiliation: State Key Lab. of Electr. Insulation for Power Equipment, Xi'an Jiaotong Univ., China (Wang Kai; Xu Yang; Fang Qiong; Chen Wei; Cao Xiaolong)
Abstract	BaTiO/sub 3/ based ceramic capacitors have been widely used in power system for their excellent withstand ability to high-voltage, wide temperature range and humidity characters. In this paper, these capacitors were used as couplers for VHF (Very high frequency) partial discharge (PD) monitoring instead of micro stack capacitors, which are commonly installed at line terminals of hydrogenerators. The coupler construction and its manufacturing techniques were briefly discussed. The dielectric properties under different circumstances and frequency response of the coupler were also studied. Finally, these couplers were successfully installed in a hydro-plant in China and some valuable data were obtained.
Sponsorship	IEEE Dielectrics & Electrical Insulation Soc. IEE Japan
Starting Page	254
Ending Page	257
File Size	247214
Page Count	4
File Format	PDF
ISBN	0780377257
ISSN	10817735
DOI	10.1109/ICPADM.2003.1218400
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-06-01
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ceramics Capacitors Monitoring Couplers Partial discharges Power systems Temperature distribution Humidity Frequency Manufacturing
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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