Getting nusense tripping in a 11KV soft starter, have
checked all it control supply & contactors but did not get
any fault please help.
Answer Posted / arun
Check your load.Check the relay settings and current
measured during starting.
Check winding resistances in each phase,earthings,IR values
of the motor.
Run the motor without load for sometime if possible monitor
the current in each phase.
| Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
what is meant by loss of field in a DC motor? how a universal motor works?
HOW TO CALCULATE HV TEST VOLTAGE FOR ELECTRICAL EQPT.
i am completed my degree(B.E EEE) 2014 anychance to get electrical licence plz help me
How to select, design,size & calculate for 11 KV/33KV/66KV/132KV/220 KV/440 KV circuit breaker for HT side of transformer protection/HT distribution protection?
Why we use duplex coil and hook switch in telephone system?
what is smart grid? why we use it? explain in detals bcoz i want give presentatin from it....
what are the usual topology of transformers at different substations in the power system and why that particular topology is choosen. what are the limitaions of that topology?
if we give 60 hz single phase supply to the transformer used in europe , than what will happen
why we are using earth pit in sub stations.?
What are the types of windings present in the ceiling fan? What winding will be effective first when we started the fan?What are the resistance and inductance ratios comparatively at the initial speed and full speed of the fan?
What do you mean by transformation ratio of instrument transformer?
What products have you designed which have entered high volume production?
What is difference between SMC supportg and Glass Fibre Reinforced Plastic Support.
What happens if the series current double?
what is fault level of power system ?