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Anonymous Poster

CT's Connection in case of bus & transformer diff. ckt.

09/22/2008 7:12 AM

can any body suggest about connection of current transformers in case of bus differential and transformer differential ckt.
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Anonymous Poster
#1

Re: CT's Connection in case of bus & transformer diff. ckt.

09/22/2008 8:02 AM

Dear Sir,

Differntial core of CTs on the secondary Side are connected with opposite configuartion of the Primary Differntial CTs. (In case of Star on the HV SIde, LV side shall be delta) and vice versa.

This is the basic concept on Differntil Protection.

Regards,

N.Suresh
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