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testing of surge arrestor

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Yessph

Electrical
Joined
Nov 12, 2002
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SG
I have some question about testing of high tension surge arrestor at site condition. The reason for the question is that we are trying use back some surge arrestor which are 4 years old in some switchyard ? We want to do some checking on the surge arrestor ? What kind of test can be done to establish whether they still are in working condition ?
 

One reference is §7.19 of 2001 Maintenance Testing Specifications for Electrical Power Distribution Equipment and Systems--cataloged at netaworld.org
 
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