A new approach to distribution arrester design

A new distribution-class surge arrester design concept is introduced. Replacing the conventional gasket-sealed porcelain housing is an epoxy/fiberglass-wrapped metal-oxide varistor disc module, assembled inside a flexible EPM rubber housing. This PDV (polymer distribution varistor) arrester design h...

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Bibliographic Details
Published in:IEEE transactions on power delivery 1988-04, Vol.3 (2), p.584-590
Main Authors: Lenk, D.W., Stokum, F.R., Grimes, D.E.
Format: Article
Language:English
Subjects:
Applied sciences
Arresters
Assembly
Disturbances. Regulation. Protection
Electrical engineering. Electrical power engineering
Electrical power engineering
Exact sciences and technology
Fault currents
Moisture
Polymers
Porcelain
Power networks and lines
Seals
Surge protection
Testing
Voltage
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Summary:A new distribution-class surge arrester design concept is introduced. Replacing the conventional gasket-sealed porcelain housing is an epoxy/fiberglass-wrapped metal-oxide varistor disc module, assembled inside a flexible EPM rubber housing. This PDV (polymer distribution varistor) arrester design has the advantage of minimizing the free-gas volume inside the arrester, virtually eliminating concerns of moisture ingress due to seal pumping. In the unlikely event of arrester failure, the rubber-enclosed housing eliminates exploding porcelain fragments normally associated with standard distribution-class arrester designs. Performance questions related to assembling distribution arresters inside housings molded from polymer material are addressed.< >
ISSN:0885-8977
1937-4208
DOI:10.1109/61.4295