Answer Posted / manishjha

transformer is an ac machine that
(!)transfer electric energy from one electrical circuit to
another
(2)without any changes of frequecy
(3)principle of electromegnetic induction
(4)electrical circuit that are linked by common megnetic circuit

How to calculate the input cable rating for 10kva ups (3phase input and single phase output and also 3phase output, battery rating 65Ah)provide the formula also.thnx

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why the neutral line is not giving shock to us if we touch it ?

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What is meant by RVT and NDR ? expansion and details of it

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What are the protections for safe running of electric generator?

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Shall I use 40A semiconductor Fuses in 32 A SFU ? Frame size is same. What Happen if Fuses burn on SFU?

2115

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before synchronizing an alternator,power factor is leading ,why?

1563

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What is MSL designation of a motor and same may be provided in details.

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A 3 phase transformer's (Y-Y) Y and B phase is (Y and B connection not broken) broken from neutral and R and Nutral connection is ok, what will be the relay tripping and why

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Hi,iam a diploma in electrical engineering.rtd from indian air force in apr 2007.prsently working in reliance next link as a network maintenance engineer since 2007,can i get a job in motherson sumi.

2368

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How to Calculate the Fault Level of Electrical Installation

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When calculation of fault current and fault Kva is to be done,why always we use per unit value and why we consider the base kva?

1899

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How test for Ddo vector group test condition?

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what is a power factor?

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how to select diiferent power transformers of same capacity on no load loss and full load loss by economical point of view.?

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For a spring controlled governer the relation F = ar+b (F is the controlling force, r is the radius of rotation a and b are constants), indicates that the governer is

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