1. what is difference between VCB and ACB.how its works
please explian.

Answer Posted / nagaraju. s

Vcb it's a closed circuit, it's a vacuum circuit breaker , it's used high voltage

Is This Answer Correct ?    1 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

In hydel power plants, L.A's, S.C's are placed inside the control panel boards. what is the purpose? [already the total body was earthed to ground.]

1451


In an ACB shunt trip coil and undervoltage coil operated normally( breaker open and charged). But closing coil not operating untill manually discharge and recharging. Any help.

1290


hai friends i have BSNL JTO exam on next month so if any body have model question paper or give preparation tips to my mail id kumar4486@yahoo.co.in this will helpfull for my future .plz & thank u by kumar

1545


0.5,1,1.5,2.5,4.0.6.0,10,16 square mm electrical wires how much take maximum current in 50htz

1701


how to find the resistance and gap volatage of the diode??

1556






HOW CAN YOU CALCULATE PRACTICAL EFFICIENCY OF A ASYNCHRONOUS INDUCTIONMOTOR OF 7.5KW,& MOTOR IS RUNNING WITH AVOLTAGE OF 410 VOLTS,& TAKING CURENT OF 13 AMPS

1434


EXPLIAN THE IMPORTANCE OF POLY PHASE CIRCUIT.

1653


What is different between Difnit time and instatous over current relay

1980


WHAT ARE THE DISADTAGES OF SINGLE-WIRE-EARTH-RETURN SYSTEM USED FOR RURAL ELECTRIFICATION?

1487


In the formula : Knee point voltage = Burden X alf / class, Please inform what is alf? regards Shashidhar M.R.

3396


could anybody able 2 send me jindal steels previous papers fr electrical steam....pls send 2 my id if possible....sirisha.shaik@gmail.com

1587


dg earth connect only in the amf panel or not why

1604


WHY THREE PHESE SYSTEM VOLTAGE APPLIED IN 440 VOLT

1918


what is difference between 2 pole structure and 4 pole structure in transformer yard

5239


surge tank, hrc fuse, earthing transformer, firm power objective type

1116