Investigation on insulation performance for medium voltage vacuum switch cabinet

In this paper, based on the concrete configuration of the medium voltage vacuum switch cabinet, the 3D mathematical model of electric field has been established for computing and analyzing the insulation performance. And the distributions of electric field at different locations and displacement ang...

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Bibliographic Details
Main Authors: Cao Yundong, Liu Xiaoming, Wang Erzhi, Lai Changxie, Li Hongfeng
Format: Conference Proceeding
Language:English
Subjects:
Circuit breakers
Concrete
Dielectrics and electrical insulation
Electric discharges
Electrical products
Exact sciences and technology
Humidity
Mathematical model
Medium voltage
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Power cables
Power system reliability
Switches
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Summary:In this paper, based on the concrete configuration of the medium voltage vacuum switch cabinet, the 3D mathematical model of electric field has been established for computing and analyzing the insulation performance. And the distributions of electric field at different locations and displacement angles have been obtained using finite element method (FEM). The locations of the maximum electric field strength and the weak insulation have been found. Moreover, by taking some improvement measurement has successfully solved the practical insulation problems.
ISSN:1093-2941
DOI:10.1109/DEIV.2004.1422706