Answer Posted / saish n kharkar
In case of SF6 CB SF6gas is used as arc quenching medium in.
when CB trip the male-female contact (we can say fix and
moving contact otherwise) gets opened at the same time SF6 gas
at particular pressure enters between the contacts and quench
the arc, also act as a coolant and insulating medium.
| Is This Answer Correct ? | 5 Yes | 0 No |
Post New Answer View All Answers
What safety precaution are to be taken for avoiding electric hazards ?
Can anybody just suggest about the scope of Electrical design with ETAP software?Just guide me?
what is the meaning of osr in transformer.
what is the effect of higher value of GD???
CAN U PLEASE TELL ME SOME G.D TOPICS FOR APGENCO INTERVIEW&G.D
during installation time of transformer and alternator which points we have to observed?
What happened if C.T mount at any cable or Bus bar in wrong direction . C.T going on proper work or not . C,T direction is essential thing to properly work.
why the name trunking bus PT
why don't we use the generator as a motor? and what will happen?
On Which Pressure PRV is operated.
sir i am apearing for nic exam.i dont know exam pattern.can you please send me some model papers
What is the formula of frequency ?
WHAT IS counter flux IN CT?
In diesel generator how AVR get voltage to excitation. And basic diagram DG EXCITATION CIRCUIT.
What happens to a line-frequency of high-frequency transformer when it is first energized/ re-energize?