Interested to Buy Any Domain ? << Click Here >> for more details...
why VCB are not used in 132KV system(above 33KV system)
- 6 Answers
- 16959 Views
- Al Ahleia, I also Faced
- E-Mail Answers
Answer Posted / deepak jha
Degree of Vacuum required for quenching of ARC at 132 kV
level system fault is very high and its very difficult to
maintain that much degree of Vacuum so don't use VCB in 132
kV level. we generally used SF6 for this purpose.
| Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
Can we check ELCB constantly from R1 to R8 phase in 1 no DB?
IN SINGLE PH TRANSFORMER IF LEKAGE IMPEDANCE DROP IS NEGLECTED ,THE FLUX IN THE MAGNETIC CORE and the lekage flux linking a winding are a)proportional to the applied v to the winding i respectively.
What is the function of probe in cro?
at what base you will tell the direction of rotation of dc motors and generators?
WHAT IS SITTING AMPS IN OVER-LOAD RELAY FOR 1PH OR 3PH MOTORS?IF ITS NAME PLATE GIVEN MAX AMPS 10AMPS?
What is resonant peak?
what does a k rating in a transformer means?
What is effect of over voltage and under voltage on ACB
What is an alternator impedance value?
what is difference between isolation and ultra isolation transformer?, what is the method of testing ?
what is meant by residual over voltage & residual earth fault ?
How are load losses and no-load losses measured at site in a DG set?
In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???
What happens if the series current double?
mention hazard experienced during installation
