Answer Posted / thiyagarajan r
VCB means Vacuum Circuit Breaker.Vacuum Circuit Breaker is always used in the HT side of the transformer and it act like a On/Off switch and prevent the power system in case of any faults by using Vacuum as the breaking mechanism.
| Is This Answer Correct ? | 9 Yes | 0 No |
Post New Answer View All Answers
3 phase Motor will be given 2 phase after 2 to 5 second we given 3rd phase so Motor Run sum-time in forward or sum time run reverse direction. All time phase sequence is not change. Why motor run in reverse direction? Please Explain........
We have 110Vac ,10A ac supply which is converted into 110VDC & How much DC current? which factor is reqired for dc current calulation?
What is the reason that the humming sound is coming from the induction furnace panel?
How to define Kirchhoff current law and voltage law along with simply examples.
WHAT IS MEANT BY OVER EXCITATION IN GENERATOR TRANSFORMERS? DESCRIBE IT.
Why CBCT rating is 50/1A
Why star delta starter is preferred with induction motor?
What is kirchoff ’s current law (kcl)?
Explain Circuit Breaker Trip Characteristics in detail.
What is relation between transmission lines & Communication lines ?
Explain Continuous and Discrete signals?
What is limitedly stable system?
What is earth system using on the floater TN-S or TT. Iam not sure and what ICCP
sourse is 66 KV / 350 MVA, transfarmer is 1000 KVA 6.6 / 0.415 kv, iF fault is 28.75 MVA on 0.415 KV Bus then calculat the Transfarmer Impidance
can we use NPT glands in LT panel
