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sethuamanj
Active Contributor

Join Date: Mar 2013
Posts: 14

Current Transformer Testing

03/22/2013 4:50 AM

Hello Engineers, I want to know whether transformer differential relay CT's need to test polarity and spill current etc... if yes! how can i check spill current if the CT's are connected in delta?
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nobodysomebody47
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Join Date: Nov 2011
Posts: 171
Good Answers: 1
#1

Re: Current Transformer Testing

03/22/2013 10:57 AM

Check this please
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Anonymous Poster #1
#2

Re: Current Transformer Testing

05/27/2013 7:59 AM

Messure each phase current coming from the ct with a clippon eg R W B
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