tell me the operation of ELCB. How it detects a fault?

Answer Posted / ramarao

It is a voltage operated device it comprises a control switching system together with a voltage sensitive trip coil on installation .this coil connected between the metal work to be protected and as good on earth connection as possible.

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

WHAT ARE THE EFFECTS OF SERIES RESONANCE AND PARALLEL RESONANCE ON THE CIRCUITS PARAMETERS?

1481


what is meant by neutral compensation factor and where it is used

1437


What is the reason of polyphase induction motor tripping suddenly on high current during running at 70% laod? Motor IR , winding resistance & inductance balance. Motor no load current is balance and ok as per mgfr. data.

1941


How to decide DO set rating of Transformer?

1146


What happens to voltage when current through the inductor is constant?

667






How much load can take a 16 mm aluminum cable 3 phase

1248


What is the function of electron gun assembly used in crt?

635


what is the IS foe lightning arrester?

1674


what is the difference between switchgear and circuit breakers and is there any difference between outdoor and indoor switchgear and circuit breakers , and how would you differentiate between switch yard and substation and grid station . thanks

1735


how to interlock 3 nos MCCBs using under voltage coil. please provide me circuit diagram?

2144


What is size 00, 01, 1 etc., in HRC fuse types?

1833


what is the difference between single ratio, multiple core and multiple ratio, multiple core ? please explain.

1708


what is formula for calculate thermal overload in new numiricalrelay( not in bimetal relay)?

1778


please give me all the Alarm .Trip ,Safety Relays & Conditions of UPS Systems mail me on ashokbabunhce@gmail.com

1360


How to calculate no of Lighning arrestors are required for protecting 50mX 50m*20m cubical building and locations of LA?

1433