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Because DC supply has polarity + and -

i am going to correct power factor of 1600kw induction motor,when i calculate capacitance of capacitor it is three time more in star connection than delta. if motor is star connected which connection i shall adopt for capacitors and reason for adopt this connection

0 Answers  

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for 1000kva transformer how kvar rating is need for this PFI plant. and how does it will calculate? and Apmpere rating of main cable connection?

6 Answers   Engineers India, GCC, KP, QPSL, Siemens,

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why root three is used and how its comes in three phase power system?

1 Answers   IEEE,

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WHAT IS THE SHOPE TESTING

2 Answers   TATA,

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Is this possible to synchronize the two different ratings of dg

1 Answers  

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How transformer neutralshould earthed ? Transformer neutral connected to earth mat in substations, right or wrong ?

4 Answers  

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How phase displacement change in the over current relay coils.

0 Answers  

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Why reactors use before incoming of ac vvfd drive?

0 Answers  

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how the global warming take place?

1 Answers  

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Assuming that a dedicated neutral earthing transformer is provided for each GT generator, when the two generators are running in parallel, has consideration been given that the earth fault current from one generator stator winding be split between the two neutral earthing transformers? If so, what adverse impact will this have on the operation of the 59N and 27TN devices?

0 Answers   Quest,

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What happen if 200 KVAR capacitor connected to power continuesly?

0 Answers  

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What happen if LV supply is fed to a HT motor?

19 Answers   ITC Infotech, Jindal,

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