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HOC4 translay protection relay

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RalphChristie

RalphChristie

Electrical
Joined
Jun 25, 2002
Messages
648
Location
ZA
HOC4 relay - Do anyone have some information or a webside where we can get some information of this kind of differential relay - especially the test prosedure? We have a secondary current injection testset to do some testing, but we couldn't get the disk turning.
 
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