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nagisoni
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Join Date: Jul 2009
Posts: 1

SLOPE IN THE DIFFERENTIAL RELAY

07/13/2009 11:48 PM

DEAR FREINDS

HOW TO SELECT THE SLOPE IN THE BIASED DIFFERENTIAL RELAY AND WHAT IS THE PRINCIPLE BEHIND, I WOULD LIKE TO GET SOME SAMPLE CALCULATION
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standarded
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United States - Member - Member Hobbies - DIY Welding - New Member

Join Date: Mar 2008
Location: Southeast US of A
Posts: 555
Good Answers: 50
#1

Re: SLOPE IN THE DIFFERENTIAL RELAY

07/14/2009 1:46 AM

CR4 Informal Rule #2; Please, no "all capital letters". All caps are considered shouting and impolite.

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jack of all trades
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New Zealand - Member - Kiwi Popular Science - Weaponology - New Member Engineering Fields - Power Engineering - New Member Engineering Fields - Electrical Engineering - New Member

Join Date: Sep 2006
Location: Auckland, New Zealand
Posts: 8777
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#2

Re: SLOPE IN THE DIFFERENTIAL RELAY

07/14/2009 6:16 PM

Try the following links

http://www.gogetpapers.com/Papers/Biased_or_percentage_differential_protection_of_transformer

http://www.scribd.com/doc/8913385/Protection-motor-tutorial

http://www.transformerworld.co.uk/diffprot.htm

There is also plenty of other information on the internet.

CR4 Admin: removed broken links

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