Answer / avi gulia

3.3 kva bcz with pf 0.99 this is the most suitable kva

How to take the Vector Group Test in Transformer? What is the purpose of doing Vector Group Test?

2 Answers  

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what is meaning of 230volts ac 50hzs ac supply is it rms or maximum to getting ac 230v what amount of max voltage they will send

0 Answers  

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what is R Core Transformer. how it differs from normal transformers. dont search in net and post the answer.

0 Answers  

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I am a electrical engg. diploma holder,applied for junior engineer (electrical),Kolkata RRB. Have I to attend all electrical,mechanical&civil portion in written exam.???

0 Answers   RRB,

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how to select cable size according to ampere.

1 Answers  

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How to determine the breaking capacity such as break down current and break down voltage for VCB and CT's.

0 Answers  

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how to convert lv line to hv line and viseversa, any losses will occur during this process

0 Answers   Jindal,

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During Testing of Maintenance Free Earthing, How deep should be the Spikes of Earth Test Meter should be inserted in the soil(one spike is 15 Meter & Other spike is 30 Mtrs away from the Main Earth Electrode. Because, recently, we observed that when spike is inserted 3-4 Inch in the earth- results are better, If spike is inserted 1 feet deep than results are increasing.

0 Answers  

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why fault current time duration is calculated for 1 minutes?

1 Answers   Rockfort Engineering,

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If oil and air can withstand a high MeV when used as an insulator in a transformer, what are the values of how high for each material?

0 Answers  

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What is the multiplying factor if line ct ratio is 1000/1 and meter ct ratio is -/5 ?

1 Answers  

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Q-1 what are the structural and operational difference between a distribution and a power transformer? Q-2 what is skew in motors? Q-3 draw equivalent circuit of transformer Q-4 explain with phasors how pf is improved with loading in induction motors Q-5 DIFFERENT METHODS OF CABLE LAYING(interviewer asked if i heard new chemical based earthing system next) Q-6 pi model of medium length trans line Q-7 v/f control?why Q-8 vacuum circuit breaker operates in?

1 Answers   Vijai Electricals,

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