What is IDMT relay how it works.

Answer Posted / jvino03

IDMT relays means Indefinite Mean Time Relay.. It operate
during overload conditions.
The Formula is Current inversely proportional to the time.

It means If fault Current is High then the Time to Trip the
Circuit will be less.. vice versa..

Is This Answer Correct ?    34 Yes 34 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how can calculate 1kva generator running time in 1 liter keroscene

2092


Why sometime AVR and sometime Booster coil is used in Alternator? what is the diferance between AVR & Booster coil due to which they are selected

2560


How to calculate MCB Breaking capacity.

964


Why control of DC motor is simpler?

1929


What is icu and ics in Acb and how many time icu or ics passes from breaker?

1039






what is conductor copnstant of ab cable

1310


How to Decide the Location of Earth pit for Compressor in Oil Depo? and How to measure the resistance of earth pit Pls explain me with the help of Circuit Diagram?

1906


aternator every parts and its working

1169


WHAT IS AIR GAP VALUE IN MM FOR A 11KV BUSHING OF 11KV/440V DISTRIBUTION TRANSFORMER. AND AIR GAP VALUE OF 25 KV BUSHING OF AT TRANSFORMER OF 25 KV TRACTION. WHAT IS THE CALCULATION FOR THE AIR GAP PERMITTED FOR BUSHINGS AT DIFFERENT VOLTAGES.

3034


How to find ampere on ht side for selection of cable size ???

1324


Is it possible to measure the voltage of a battery from a single terminal?

1230


Explain how you decide what size of electrical wire do you need?

662


Explain and give examples about VCB?

2879


Can anyone tell the proper diagram of star delta starter????

1457


what should be correct gas pressures to be a 1.5 ac unite

1062