What is ZCT? it operating principle and how is work with
RCCB (residual current circuit breaker)?
Answer Posted / bhoot
ZCT is a neutral CT which is based on zero sequence current
detection. What happens during leakage, the current in the
phases are not the same & hence the in is not equal to
zero. This difference of current flows into the neutral CT
whicgh trips the RCC
Is This Answer Correct ? | 14 Yes | 4 No |
Post New Answer View All Answers
can anyone tell me can the electromagnetic waves can be reflected back?if so how &by which material it can be reflected back?please tell me so that it can help to my wireless power trasnmission device.
formula for calculation of switchgears(i.e. contactor, fuse, cb, relay etc.), if load current is given?
for what voltage will reactive power be largest in 380 kv line : a) 375kv b)380kv c)385kv
before synchronizing an alternator,power factor is leading ,why?
What is called grain-oriented laminations?
What is making & breaking current ???
What is PQA???Applications........
Explain Circuit Breaker Trip Characteristics in detail.
what are the breakdown voltage rating of mini- curcuit'transfarmer!
What is core CT & it's function?
Explain the operation of variable frequency transformer?
in ACB breaker requireding 3200Amps. buscoupler getting OFF mode and again it reset and getting normal position give me a required answer?
whate is the meaning of balance/unbalance,in stabilizers type
sail kaott diploma ece ke interviw me qus.kis parkar ke aate hai aur G.S me kya puchate hai kya sameedyaan me kis parkar ke qu.puchate hai
WE HAVE THE DC RECTIFIER 1500A, INPUT VOLTAGE IS 3 PHASE. HOW TO CALICULATE THE LOAD? 3 PHASE SIDE EITHER dC SIDE. PLEASE SUGGEST ME