Difference between Earth Leakage Relay(ELR) and Earth Fault Relay(EFR)

[@mikebeats9453]

Well explained

[@rpathi2010]

Very nice information sir

[@chathurikadilhani1951]

Thanks a lot for the clear explanation

[@trailersinhd2947]

Sir the pitcher is correct matching ?

[@marcoferaldi9230]

Nice video to understand. You explained the main concept very well. Can you please make another one more detailed with fault conditions and behaviour of the devices? Thank you

[@filmancabagnot3062]

Thank you

[@ahmadusshamma2210]

Thanks

[@proadlekopy]

Thank

[@satyajitsharma4587]

Sir, In STP plant, total 10 nos of 3 phase motors are connected.The earth leakage relay gives fault indication.But mccb is not tripping.All motors are inside water.Star delta starter used here for every motor.How can I solve this issue.plz explain me.

[@satyajitsharma4587]

10 motors are connected in one STP panel.

[@ramansubbu2704]

@@satyajitsharma4587 mccb won't trip you have to connect shunt trip then automatically trip mccb

[@dtgboy5526]

hi sir apka number milega