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byjuram
Commentator

Join Date: Mar 2009
Posts: 57

Directional Earth Fault Relay

09/16/2014 11:18 AM

Dear ALL

A directional E/F protection is provided for 110KV/11KV transformer secondary side. The direction of the relay is looking towards the transformer. The same relay operated for a 11KV bus fault. What are the possible reasons???

Regards

BYJU
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Pathfinder Tags: directional relay Transformer Protection
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SolarEagle
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Join Date: Mar 2007
Location: by the beach in Florida
Posts: 33392
Good Answers: 1817
#1

Re: Directional Earth Fault Relay

09/16/2014 3:31 PM

Why don't you just post the entire test at one time.....? Seriously?

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dj95401
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United States - Member - Hobbies - Fishing - New Member Hobbies - Target Shooting - New Member Hobbies - RC Aircraft - New Member Engineering Fields - Aerospace Engineering - New Member

Join Date: May 2009
Location: Saint Helens, Oregon
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Good Answers: 70
#2

Re: Directional Earth Fault Relay

09/17/2014 5:18 AM

Looking at his/her other posts, it must be mid-terms in the Middle East

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