Please give me a solid reason there are 2 ELCB's If we take
Phase from ELCB NO:1 an Netural from ELCB N:2 why ELCB is
tripping when we connect the Load?please brief me with detail
Answers were Sorted based on User's Feedback
Answer / rajesh verma
if we take phase from one RCCB and Netural fromsecongd then
it will get tripped because of phase unblance. ELCB will
not get tripped while taking phase & netural from different
|Is This Answer Correct ?||1 Yes||0 No|
Answer / jessie
1st: check the ELCB Current capacity maybe overloaded if you connect your additional load. used ohm's Law formula I= P/E
2nd. check the continuity of Earthing Connection to your additional load.
|Is This Answer Correct ?||0 Yes||1 No|
How much allowable difference current between on three phases Dear sir, We have a 1870 KW HT motor, 11 Kv supply,FLA-120A,2870 rpm,2-pole squirrel cage induction Motor.And stator is connected in star connection with Liquid resistance stater to limit the starting current.It has coupled with Centrifugal air compressor.My question is it is loading 73% of FLA taking R-phase 86.7 A, Y-phase-85.4A,B-phase- 78.3A.why the B phase current is that much of difference.Is it allowable, or any one tell me how much allowable current.If any method to calculate.
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