V.c.b and a.c.b difference

Question Posted / mohan

4 Answers
4234 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

V.c.b and a.c.b difference..

VCB means Vacuum Circuit Breaker and it mainly used in High Voltage switch-gear(Up to 33 Kv).
ACB means Air Circuit Breaker and it mainly used in Low Voltage switch-gear.

Is This Answer Correct ?

6 Yes

0 No

V.c.b and a.c.b difference..

Answer / sanjayjssate

VCB is used where system voltage is high as 11 kv , 33 kv but current value is low

while ACB is used where system voltage is low but current value is high , ACB comes upto current value of 2000 amps

Is This Answer Correct ?

3 Yes

0 No

V.c.b and a.c.b difference..

Answer / narasimha

V.C.B stands for Vacuum Circuit Breaker

Is This Answer Correct ?

1 Yes

1 No

V.c.b and a.c.b difference..

Answer / rvr

simply
VCB- vaccum circuit breaker,used up to 35kv,3000A
vaccum quench the arc,long life
ACB-air circuit breaker,660v,10000A
large size,less life and more maintenance compared to VCB.electronically or microprocessor controlled...

boththe above CB's use charging spring to open the breaker

Is This Answer Correct ?

0 Yes

0 No

Post New Answer

More Electrical Engineering Interview Questions

why transformer rating is in kva?

11 Answers

what is the difference between RTD & TERMO COUPLE?

1 Answers

what is rated speed?

4 Answers Actavis,

what perpos use cepacitors in motars,fans,lights,and LT panal

1 Answers

Please tell me in DETAIL about the following 3 types of fuses or recommend me a good power system protection book or a website link ? 1.Dropout Fuse 2.Striker Fuse 3.Empulsive fuse (not sure if its impulsive or explosion fuse , sorry)

0 Answers

the relationship between phase and line voltages in a 3 phase generator is expressed in what formula?

4 Answers Omicon,

what is difference between speed mode and torque mode in motor?? explain in simple words please.

0 Answers Toyota,

The formular of how to calculate a cross sectional cable to feed an electric motor. Examle: 15KW, 26.1A, 415V. Calculate the cable size in mm2

3 Answers Sona,

why the conservater tank alwes made upper side of transformer???

3 Answers

working principle of UPS

15 Answers Mantri,

what is active power and rective power and power factor

1 Answers

What is the comparision (advantages / disadvantages) of 110V, 60 Hz system to 230 V, 50 Hz system.

2 Answers

For more Electrical Engineering Interview Questions Click Here