DocumentCode
3096533
Title
Protection for overvoltage of 40.5 kV vacuum circuit breaker switching off shunt reactors
Author
Guan, Yonggang ; Liu, Weidong ; Gao, Wensheng ; Wu, Junhui ; Li, Wenyi ; Cheng, Tiehan
Author_Institution
Dept. of Electr. Eng., Tsinghua Univ., Beijing, China
Volume
2
fYear
2011
fDate
8-9 Sept. 2011
Firstpage
193
Lastpage
196
Abstract
Based on the results of field tests of 40.5 kV vacuum circuit breakers switching off shunt reactors, the effects of metal oxide surge arrester (MOA) protections of several connecting types as well as C-R suppressers are compared in detail. In this switching situation, gapless combined MOAs and three-gap combined MOAs are helpful to suppress the overvoltage. Meanwhile, C-R suppressers can provide the most effective protection, and it is better to install them nearby the reactors rather than breakers.
Keywords
arresters; overvoltage protection; reactors (electric); vacuum circuit breakers; C-R suppressers; metal oxide surge arrester; overvoltage protection; shunt reactors; three-gap combined MOA; vacuum circuit breaker; voltage 40.5 kV; Circuit breakers; Compounds; Inductors; Shunt (electrical); Surges; Switching circuits; Voltage control; C-R surge suppresser; MOA; Vaccum circuit breaker; overvoltage; protection; shunt reactor;
fLanguage
English
Publisher
ieee
Conference_Titel
Power Engineering and Automation Conference (PEAM), 2011 IEEE
Conference_Location
Wuhan
Print_ISBN
978-1-4244-9691-4
Type
conf
DOI
10.1109/PEAM.2011.6135091
Filename
6135091
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