Answer / k.prakashchandra

Nil.A delta star step up power tr of the generating unit is
called generator tr or UGT

If a rotary UPS is in line through grid power; What would be the impact on Power Factor if the load through rotary ups is 25% , 50% , 75% & 100%. Will the power factor reduce with less load?

0 Answers  

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why do we use LPF wattmeter not UPF in the experiment of no load and blocked rotor test of 3phase slipring induction motor?

3 Answers   Matrix,

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Write down the brushes of a de machine.

0 Answers  

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what is necessity of using isolation transformer?

4 Answers   NTPC,

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What will be the output of an alternator ,if the field current is single phase ac supply.

1 Answers   DRDO,

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what does a k rating in a transformer means?

0 Answers  

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15 kva dg set single phase takes 63amp( approximate) while same rating 15kva three phase takes 35amp approximate. why ? and what will be per phase current for 15 kva

2 Answers   TVI,

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how do u gauge the size of the cable ?for eg. consider a 300 sqmm L.T Cable.How do u determine the size of the cable seeing it pratically?

0 Answers   Bhel, Jai Balaji, Rashmi Group,

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can anyone tell me can the electromagnetic waves can be reflected back?if so how &by which material it can be reflected back?please tell me so that it can help to my wireless power trasnmission device.

0 Answers  

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I have a transformer 3phase 11kv/410v and its name plate missing. now how can I judge its rated kva?

2 Answers   Coca Cola,

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why we earth only one side of a power cable. And which side is advisable to earth.

1 Answers  

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what is the radio of kva & kvar or why calculated kva & kvar

3 Answers  

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