NDLI: Comparison of two voltage-sharing measures for triple-break vacuum interrupters in series

Content Provider	IEEE Xplore Digital Library
Author	Shengwen Shu Jiangjun Ruan Daochun Huang Gaobo Wu
Copyright Year	2010
Description	Author affiliation: School of Electrical Engineering, Wuhan University, Wuhan, 430072 Hubei Province, CHINA (Shengwen Shu; Jiangjun Ruan; Daochun Huang; Gaobo Wu)
Abstract	Multiple-break vacuum circuit breaker (VCB) has been identified as an effective way to expand from the present low and middle voltage level to high voltage level, where the SF gas-blast circuit breaker is widely used. However, in multiple-break VCB in series, the voltage applied to each break does not become equal because of stray capacitance, opening non-synchronously or differences of contact property, which is detrimental to breaking capacity. An enhanced PSCAD/EMTDC model of simulating dielectric recovery process of signal and triple-break vacuum interrupters was developed, whose accuracy was verified by comparing simulation results with test data obtained by Edward Huber. The other research focused on choice of rational voltage sharing measures for triple-break vacuum interrupters. Two voltage-sharing measures for triple-break vacuum interrupters including shunt grading capacitor and metal oxide arrester (MOA) were investigated and compared. It is advised that both shunt grading capacitor and MOA should be considered to be installed.
Starting Page	1
Ending Page	6
File Size	1984800
Page Count	6
File Format	PDF
ISBN	9781424459384
e-ISBN	9781424459407
DOI	10.1109/POWERCON.2010.5666138
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-10-24
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Voltage measurement Indexes Artificial neural networks Cathodes Anodes Capacitance voltage- sharing measures AC circuit breaker grading capacitor metal oxide arrester stray capacitance vacuum interrupters
Content Type	Text
Resource Type	Article

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