what is the safety of VCB.
Answer Posted / ravi kumar
Safety of vcb :[ Vacuum circuit breaker]
1: Earth fault relay
2: Master trip relay
3: Supervision relay
4: Short circuit
5: Shunt relay
6: Closing coil
| Is This Answer Correct ? | 156 Yes | 18 No |
Post New Answer View All Answers
66kv under ground cable how to layaing in ground any special case two ckt r runing
what is meant by impedance & transient protection?
1.What is captive power plant? 2.What is national grid?Give brief idea.
A system absorbs 100 k J of heat and the increase in its internal energy is 100 kJ; the work done is
What is the ideal position cooling fan inside the dc motor?
What is the effect of interchanging core(made of steel) and winding(made of copper) material in case of transformer? Give proper explanation in regard to different losses in transformer.
How to resolve if Diesel generator stop while running ?
List few applications of d.c series motor?
In synchronous motor, how the field current is related to armature current..i know its inversely proportional..but concept wise...i was nt clear....pls help me...
what is the formula for computing cable tray size & capacity
what's the difference between abs/inc encoders. apart from the position remembrance what are all the other differences. and what's mean by grey code.
how to calculate the cable current ratingand and how much of distance the rating will be ok will the distance is incresed what the action we take
how to select overload-relay for perticular motor 1.for D.O.L. starter 2. for Star-delta starter ????
On 400 amp factory load how kvarh capacitors provide
What range of speed can you get with the field control method of speed control of d.c. Shunt motor?