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jonald
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Join Date: Sep 2009
Location: Singapore
Posts: 77
Good Answers: 1

Relay Time Discrimination

05/12/2014 5:02 AM

Is there any standard suggesting typical relay timing error?

This is needed to calculate the time grading between protective relays. thanks
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PWSlack
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United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
Posts: 32175
Good Answers: 839
#1

Re: Relay Time Discrimination

05/12/2014 5:14 AM

Whose relays? Surely they have a phone number?

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lyn
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Join Date: Oct 2008
Posts: 42355
Good Answers: 1693
#2

Re: Relay Time Discrimination

05/12/2014 2:24 PM

Singapore code practice electrical installations - Free books ..

Design & installation of electrical installation complying with .
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DmanEng
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Join Date: Apr 2011
Location: KCM, chingola; copperbelt; zambia; southern africa.
Posts: 75
#3

Re: Relay Time Discrimination

05/13/2014 2:25 AM

http://www.electroschematics.com/6189/time-delay-relay/

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electricalexpert65
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Join Date: Oct 2009
Posts: 2061
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#4

Re: Relay Time Discrimination

05/14/2014 6:38 AM

Please refer to IS 3842 (The Indian Standard Application Guide to Protective Relays)
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