Answer / anand

KA Rating of Circuit Breaker is nothing but a Short Circuit
Breaking Current Capacity of Circuit Breakers which is
around 40 KA EHV Circuit Breaker.
The Circuit Breakers do experience Mechanical Stresses
during closing & opening operations.

Answer / chethan

kilo ampere rating

Answer / shreerang r deshmukh

It is the capacity of the breaker to sustain for the period
of 3 miliseconds. It varies as per the normal current
capacity of the breaker.

what is the basic differnce between ground and earth

3 Answers  

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what is the relation between KVAR,KVA,KW?why we are mentioning capcitor rating in kvar?what is meant by arcing horn and horn gap in transformer?what is equipotential wire?

1 Answers  

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Which Current transformer will be bigger in size, 400/5 or 400/1 & why?

2 Answers   Apollo,

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What should be ideal IR value for 11kV, un earthed, 1 MW motor?

3 Answers   Sail,

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what would happen if u assume to insulate all the overhead lines and no insulators....??do you think it to b an advantag or a disadvantage??justify.

3 Answers  

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a induction motar has 30-35% exciting current at no load but in transformer it is only 2-3% ofbrated current why any reason?

1 Answers   century,

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Which device is used for the source of emission of electrons in a crt?

0 Answers  

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I want to know which cable would be best to carry 125A current to a distance of 50m. Voltage is 3phase. Kindly share the formula with answer.

1 Answers   Medway Educational Consultant,

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refrigeration cycle?

1 Answers   MAHINDRA, Shapoorji Pallonji Group(SPCL),

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how to maintain frenquncy with syncronising sub-station for distribution

0 Answers   Suzlon,

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when a machine act as genartor and as motor?

2 Answers  

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can a 12v dg starting battery(150 AH) be replace by 6 nos of 200AH batteries each of 2v connected in series.

3 Answers  

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