Calculation for Earth fault relay

  • Thread starter Jason_tcs
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Dear friends,


May I know how to calculate the earth fault relay/ Earth leakage relay? When we going to use them? Thank you.


Regards,
Jason
 

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  • #3
berkeman
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Dear friends,


May I know how to calculate the earth fault relay/ Earth leakage relay? When we going to use them? Thank you.


Regards,
Jason
Welcome to the PF.

In addition to anorlunda's reference, you can read through the Wikipedia page about smaller-scale Earth Fault protection devices:

https://en.wikipedia.org/wiki/Residual-current_device

:smile:
 

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