Answer / prakesh

1) select rotory compressor.
2) star reating

What is the significance of vector grouping in Power Transformers??

3 Answers  

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FLP zone Types and Details

1 Answers  

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( Re: WHAT SHOULD BE THE RATING OF MCCB FOR 415V,3Ph,50KVAR CAPACITOR BANK Answer # 1 The capacitor current would be kvar x 1000 / (415 x sqrt3). This would be 70a approx. The MCCB selected should have *atleast 1.4 times this current i.e. 1.4 x 70= 98. So you should choose at least 100 A mccb.) regarding to this answer,i would like to know why the current have to times 1.4 to get the right amphere for the mccb.hows the formula to get the 1.4??tq

2 Answers  

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what is the significance of 3.5 core cable? or what does this half core mean and why is it required?

5 Answers  

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What are the Steps for Testing of 20MVA (make:-CGL) Transformer? How many Test we have to do?

2 Answers   BSL,

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can you send me the placement papers of electrical engg. from companis like NTPC,DRDO,IOCL,HPCL,BPCL etc.?If,plz send as soon as possible.Thanks.

0 Answers   NTPC,

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what is suitable alternative for an igbt?

4 Answers  

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which meter used to measure a flus

2 Answers   RRB,

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What is resistance of 50meters, 16sq.mm, single core copper cable?

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What will happen if we give DC supply to AC motor?

9 Answers  

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what is iron loss?

4 Answers   RRB,

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Regarding units, for voltage we are denoting Volts as V but in case of current we are not denoting Ampere as A instead as I..Why..? Any technical reason for this..?

1 Answers  

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