why core of transformer in square or rectangular why not in circle or ellipse if this what happens

2 Answers  

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Any one Give me formula for to increse the power factor, 0.8 to 0.95, How much the KVAr Required

9 Answers   Emerson, Rajshree Sugars, Siemens,

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hw to find transformer is in normal position? whether its in charged condition or not? except humming sound?

9 Answers   ABB,

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Why we use parllel operation of alternator

1 Answers  

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what is the easiest method of short circuit current calculation ? pls. derive with a mathematical example in real life application.

0 Answers   Mepax, NEPCO,

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To test Transformer we give HT side 440V to see wheather that it is producing 17.6V on LT to verify Voltage ratio is correct or not but when we give the 440V voltage to LT side then what will happen to HT voltage ?

3 Answers   Aditya Birla,

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what is physical distance of isolator to VCB in 33/11kv sub stations

0 Answers   Enercon,

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why the motor running in delta connection ? it can be in star?

13 Answers   NTPC,

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Why armour HT XLPE power cable required to Earth?

1 Answers  

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What will be the sampling frequency that reveals the same sampled signal?

1 Answers   CCP,

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Is there any rule to select the voltage of motor based on KW rating? What is the rating above which lt motor becomes the HT motor?.

0 Answers   DAE,

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why transmission voltage is 230kv and not 220kv which is a multiple of 11

1 Answers   Mettur Thermal Power Station, Siemens,

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