how the vaccum ckt breaker workes..? how the arc is
quenching in it?
Answer / k.prakashchandra
The arc is quickly quenched as the metallic
vapours,electrons and ions produced during arc, rapidly
condense on the surface of the breaker contacts due to
fast rate of recovery of dielectric strength in vacuum.
| Is This Answer Correct ? | 1 Yes | 0 No |
Explain how you intend to work under pressure to meet up with deadline target?
Residual voltage & residual current used in which protection?
5 Answers Qatar Gas, Reliance, Transformers and Electricals,
If two transformers same rating(11KV / 440V)connected in the same primary line(11KV), can we connect(bus coupler) secondary side directly or need a synchronization????
Is HT capacitor rating connected directly to motor terminals , related to motor no load current?
How can make a star delta with Rstar delta feeder ( ( 4contactor & one timer ) pls answer with digram (power &control digram)
what is the difference between fault current ant short circuit current?
How can determine cable size with respect to cable length and area in mm2
sir iam a 3rd yr eee student.no core company comes for recruitment to our college.my aim is to be placed in l and t.tell me the procedures.
If a rotary UPS is in line through grid power; What would be the impact on Power Factor if the load through rotary ups is 25% , 50% , 75% & 100%. Will the power factor reduce with less load?
Why computer humming sound occurred in ht transmission line?
Where -48 volt DC use & why?????????
10 Answers Ericsson, INDUS, Indus Towers, Telecom,
Why 3 over-current and 1 earth fault relay is used on primary side of transformer? Why 2 over-current and 1 earth fault relay in used on secondary side of transformer?
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)