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Full Current Shunt Testing

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eng1561

Electrical
Joined
Sep 29, 2004
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5
Location
US
I have an application where a customer is doing preventive maintenance on 4160 kvac, 2000A switchgear. He wants "full current shunt testing" as opposed to "primary current injection testing". Need help on understanding both of these methods and how they're different. When is one method used over another? etc., etc. Thanks for any help you can provide.
 
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