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What is the function of earthfault relay?
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Answer Posted / c.venkatesan
1.the earth fault relay funtion is to senses and derived
the current from phase to earth fault
depands upon the ct connections used in the scheme
the earth fault relays are classified
1.residual earth fault
2.stand by earth fault
3.restricted earth fault
4.senstive earth fault
all will be derived the input currents from different ct
connections
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