Answer / rams

Appliances rated voltage is 415V. If Trasformer is specied
at 415V, it will further drop down at receving end and
appliances may not work
To compensate Voltage drop at receiving end

What is the advantage of AC supply?

5 Answers   PSU,

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We have a couple of oil tanks at our plant. One of them does not have a lightning arrester installed. My question is it necessary to install an arrestor on every tank or will this particular one be covered by the arrestor installed on the ajdacent tank, Since all the tanks are close to each other. Basically, I want to know that if these arrestors or protection works in a parituclar area of effect or influence. Thanks

1 Answers  

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Describe kW and kva and difference between

4 Answers   BTM,

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What is Magnetic Current Test of Transformer.

2 Answers  

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What is the basis for selecting Vk/2 or Vk/4 for REF and Differential protection of Transformer and What is the significance of magnetising current

1 Answers   ABB, Jindal,

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why celing fan is running in anti clock wise and table fan is running in clock wised?

2 Answers   Ambuja, Infosys, MAHINDRA,

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why the indian frequency is 50 hz & U.S.Frequency of 60 hz

3 Answers  

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Generally at what power factor the electronic equipments like computer, TV, EPABX etc.,operates. Please tell me.

1 Answers   HAL,

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3.7 kw motor ,how much sq mm cabel want to bare this motor load

1 Answers  

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What is the out put of a CT? How the ratio is decided ?

1 Answers  

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can I connect step down transformer(25KvA,240V Phase to phase)to output of online UPS(15KvA,440V PHASE TO PHASE) Load connect to TRANSFORMER is 13KvA,240V PHASE TO PHASE. please brief if it is wrong

1 Answers   DRJ ARDE,

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what the different between earthing and grounding?

4 Answers  

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