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What is ELR, and where it is used ?

Answers were Sorted based on User's Feedback



What is ELR, and where it is used ?..

Answer / giri

ELR is earth leakage relay,as its name indicates it's used
for protection against earth leakage.

Is This Answer Correct ?    89 Yes 5 No

What is ELR, and where it is used ?..

Answer / rk

ELR or commonly known to be EL CB . all 3phsaes and netral
of the incommin supply passs throuh oone ring type ct so
that there will be no current in CT secondary if there is
healthy system but in case there is a ground fault at load
end the cT will record the unbalance current and the relay
will sence the fault.beacuse durring ground fault the fault
curent will pas througth ground to the sourcr insted of
throug the neural inside the ring CT.

Is This Answer Correct ?    40 Yes 3 No

What is ELR, and where it is used ?..

Answer / roshan thakur

ELR is earth leakage relay.this is very sensible for leakage.and this is generally used in panel for protection if MCCB.

Is This Answer Correct ?    21 Yes 3 No

What is ELR, and where it is used ?..

Answer / rvg

ELR is earth leakage relay, and main attraction is its high
current rating, and it can use with CT also(with suitable
calibration).
ELCB are less current capacity ELRs and using ferromagnetic
substances with differential relay.

Is This Answer Correct ?    17 Yes 15 No

What is ELR, and where it is used ?..

Answer / tushar

Just I want to know about ELR. We have connected ELR With Incoming panel(800A). That ELR is getting Trip within Seconds. Equipments are not getting any Earth Leakages. No shock effect from equipments… I am not able to Understand what is exact problem..Pls Let me know Reason.

Is This Answer Correct ?    1 Yes 0 No

What is ELR, and where it is used ?..

Answer / ritesh singhal

this full name is earth leakage relay . basically relay
used in diffrential current transformer

Is This Answer Correct ?    14 Yes 26 No

What is ELR, and where it is used ?..

Answer / usha

ELR is Emergency Load Relay.

Is This Answer Correct ?    2 Yes 48 No

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