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
WHAT ARE THE EFFECTS OF SERIES RESONANCE AND PARALLEL RESONANCE ON THE CIRCUITS PARAMETERS?
what is meant by neutral compensation factor and where it is used
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.
How to decide DO set rating of Transformer?
What happens to voltage when current through the inductor is constant?
How much load can take a 16 mm aluminum cable 3 phase
What is the function of electron gun assembly used in crt?
what is the IS foe lightning arrester?
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
how to interlock 3 nos MCCBs using under voltage coil. please provide me circuit diagram?
What is size 00, 01, 1 etc., in HRC fuse types?
what is the difference between single ratio, multiple core and multiple ratio, multiple core ? please explain.
what is formula for calculate thermal overload in new numiricalrelay( not in bimetal relay)?
please give me all the Alarm .Trip ,Safety Relays & Conditions of UPS Systems mail me on ashokbabunhce@gmail.com
How to calculate no of Lighning arrestors are required for protecting 50mX 50m*20m cubical building and locations of LA?