What is the allowable time-delay for differential protection to avoid false trip resulted by the inrush current or initial charging of Transformer?

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In the transformer differential protection , what is the allowable delay of the...
Posted by:
munther khatib
20-May-2013

Protection PowerPlant Electrical Electrical Maintenance Transformer

Question added by Himadri Roy , MANAGER ELECTRICAL , STEAG ENERGY SERVICES
Date Posted: 2017/07/02

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1 Answers

shahid mahmood kiani

by shahid mahmood kiani , Trainee Engineer , Pakistan Ordinance Factory Wah Cantt Pakistan

Mostly it can be adust by Engineer and it should be approximately 150-200 nano seconds

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