Why use the VCB at High Transmission System ? Why can't use
ACB? Pls explain the ans.

Answer Posted / reddy

VCB provides more insuklation strength than ACB ... ACB
upto 132kV

Is This Answer Correct ?    8 Yes 9 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

some time we open engine breaker 8.0 MW load but plant not trip. and another time engine open 4.0 MW load engine trip why? individually engine breaker open & individually emergency stop why difference?

1325


Please define ampere?

681


What are the internal and external faults?

622


How to calculate ant test the burden of Current transformer

1964


I need bhel electrical test pattern & paper

1402






i am completed in B.E(Electrical and Electronics Engineering) with 8 months experience in Quality Control Engineer at Bharathi Industries,Coimbatore.

1478


What is the percentage loss for aluminium wire for HT line more than 11KVa

1668


How to Decide the Location of Earth pit for Compressor in Oil Depo? and How to measure the resistance of earth pit Pls explain me with the help of Circuit Diagram?

1922


why in an industry; machine having rated 200 h.p stopped after power factor is maintained above 0.97 lag by control panel in view-of energy saving

1595


In case of generator when we consume more power produces by it why load on generator increase and starts sound more. and how it is adjusted..

1441


Why the field rheostat is adjusted such that the voltmeter reads 380V

1828


Why HT 11 KV Slipring Motors are connected in star ?

1775


is it true there's a big difference in using Cummins or Denyo...especially power output or leakage

1402


What are the advantages and disadvantages of open loop control system?

662


at what rate the micro controller increment its timer....is it 1micro seconds or 1/(12*10^6) seconds

1355