Article 4.7.2J : What are the technical specification of iELR for Input, trip time Input Current and CBCT inner diameter available relay contacts?

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• Article 4.7.2P : Principle of operation of CBCT in iELR.

  Principle of Operation  CBCTs work on Kirchoff's principle that the sum of currents at any point in a circuit is zero. Hence in case a leakage current exists in a circuit, it causes the sum of currents upstream of the leakage point to be non-zero. ...

• Article 4.7.2A Breaker of connected iELR is not Tripping during manual Test.

  If Trip indication and command is displayed on the meter after manually tripped. Then Check the changeover of NO & NC of iELR with COM. If that also works then there is a problem in connected Breaker not in iELR. And, If NO & NC changeover not done ...

• Article 4.7.2.6S : How many parameters data comes online of iELR in Elnet?

  Only the leakage current will be shown in register address 151. Another address 149 is a dummy. 1. Current R Phase 40151 = Leakage current of iELR 2.Current Average 40149 = Dummy 

• Article 4.7.1.10S : Is our iELR supports relay operation from the software?

  No, In software we can only monitor leakage current with Modbus register. 

• Article 4.7.2O : Importance of iELR(Earth Leakage Relay) in Power system.

  Earth Leakage Relays Earth leakage relays play two very important roles in electrical systems ‒ protection of human beings from electrocution and safety from fire. Leakage current through very small in magnitude can wreak havoc in the installations. ...