What is ZCT? it operating principle and how is work with
RCCB (residual current circuit breaker)?

Answer Posted / shrikant muthineni

RCCB is the one which has both the propoerties of ELCB and
MCCB

Is This Answer Correct ?    25 Yes 27 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Define the overload capacity of the motor?

1587


i've iocl interview.. if you know the interview process please give me information..

1455


take 100kva DTR( delta/wye ), what ll happen if we connect 11kv to LT side instead of connecting to HT side? will the DTR behave as a step up transformer or something else????

1816


When we use 3 terminal resistor?

633


What is the difference between single point and double point bonding. please kindly detail about bonding of cables.

1923






which book to refer in electrical engineering for iocl exam & which book for general english.

1769


Why phase sequence must be same in any ht motor or generator circuit?if phase sequence doesn't same whatever will be affect on circuit?

1725


nwhat are the main Components of servo motor?

1626


how to caculate cable size for diff types of loads? if anyone know the calculating procedure please tell me

967


A 500 V shunt motor runs at its normal speed of 250rpm when the armature current is 200A. The resistance of the armature is 0.12 Ω. Calculate the speed when a resistance is inserted in the field reducing the shunt field to 80% of normal value and the armature current is 100A.

2026


how to convert lv line to hv line and viseversa, any losses will occur during this process

1606


What is relation between transmission lines & Communication lines ?

1700


Is it good to short Neutral and Ground in the PLC or DCS main Power supply. Pls give YES or NO with reasons...? Simarpreet

2055


i have applied for junior engineer 2 c&w for Guwahati RRB please send me last five year question paper

1597


what is the relation between size of the anteena and wavelenghth of radiated wave

1730