what type of relay has to be used for tripping the circuit
from mains when a fault occur in a machine

Answer Posted / dev

It depends upon the fault i
mean if there would be any
earth fault or overcurrent
then we use impedance relay
if u r talking about small
motor we can use overload
relay for heavy equipment
we have impedance relay
tripping relay mm30 relay for
every fault

Is This Answer Correct ?    3 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Who are the manufactures those manufacturing 3Cx2.5sqmm FRLS cables. I heard about FRLS technology adopted only in wires useful for wirings

1626


show the single line diagram of star delta starter with single phase preventer

4103


what is the electrical?

1635


Electrical Engineering

1501


how we do Vector group ,magnetic balance and tap changer test in Transformer?

2029






Can you explain about Restricited earth fault protection scheme

1406


What are the advantages of nichols chart?

843


What are test signals and their significance?

632


how circuit breaker work.. what is the operations taking place inside a circuit breaker when an overcurrent occurs... is it similar to fuse?

1616


What is signal flow graph?

651


Define rise time.

616


What is resolver and glass scale in CNC how they work?

1748


In synchronous motor, how the field current is related to armature current..i know its inversely proportional..but concept wise...i was nt clear....pls help me...

1576


What is highest size of HT motor like 11 kv or 33 kv,and how to make it 750 rpm.i think the size will be very big.any idea ? pl. reply..

1503


Which capacitor is preferred for high voltage and frequency?

595