🔍
Request Answer
Define IDMT relay? 
0 like 0 dislike

Please log in or register to answer this question.

1 Answer

It is an inverse definite minimum time relay. In IDMT relay its operating is inversely proportional and also a characteristic of minimum time after which this relay operates. It is inverse in the sense, the tripping time will decrease as the magnitude of fault current increase.
0 like 0 dislike
Next Question ⇨⇦ Previous Question

Related questions

Action carried out by the relay and circuit breaker during fault condition?
Last Answer : After the relay sensing the fault condition, relay operates and close the trip coils. The effect of this will be circuit breaker operate to open the contacts....

Show More
0 like 0 dislike
1 answer

Random Images

What is protective relay? 
Last Answer : It is an electrical device designed to initiate the isolation of a part of the electrical installation, or to operate an alarm signal, in the event of abnormal condition or a fault. In ... Breaker) after sensing the fault and helps to isolate the fault system from the healthy electrical system...

Show More
0 like 0 dislike
1 answer

Random Images

What is use of lockout relay in ht voltage?
Last Answer : A lock-out relay is generally placed in line before or after the e-stop switch so the power can be shut off at one central location. This relay is powered by the same electrical source as the ... allows the control power for multiple machines to be locked out by the turn of a single key switch. ...

Show More
0 like 0 dislike
1 answer

Random Images

What is Boucholz relay and the significance of it in to the transformer? 
Last Answer : Boucholz relay is a device which is used for the protection of transformer from its internal faults, it is a gas based relay. whenever any internal fault occurs in a transformer, the Boucholz ... circuit then it stop its sound itself otherwise it trips the circuit by its own tripping mechanism....

Show More
0 like 0 dislike
1 answer

Random Images

Define the modulation index for amplitude modulation.
Last Answer : Modulation index of amplitude modulation is defined as the ratio of the amplitude of the modulating wave to the amplitude of the carrier wave....

Show More
0 like 0 dislike
1 answer

Random Images
...