if in 3-phase system voltage=440V,frequency=60Hz, current=400A. then if it is single phase then current=? and if it is single phasing then current=?

0 Answers  

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what is the effect of un-synchronized power.

0 Answers  

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if main CT is of ratio 50/5, and meter CT is -/5 what will be overall multiplying factor of meter.PT is 11000/110 .

0 Answers   BSNL,

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what is current check gurd relay?

0 Answers   MRF,

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How to maintain ac plant?

0 Answers   HCL,

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why we r used APFC Panel in industrial area.when P.F. low then wat will be the effect in our system?

10 Answers   ABB, Georgio Rocks, Piramal Healthcare, Zenith Engineering Corporation,

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Explain the propagation of harmonics in the network and influence of phase angle of harmonics.

0 Answers  

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What is the difference between synchronous asynchronous memory?

1 Answers  

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what is the significance of terminal voltage and phase sequence in the operation of paralleling of two generators?

0 Answers  

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define differential current and restraining current in relays. how to calculate it by mathematically? post the formulaes.

4 Answers   Siemens, VPEC,

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Is there any problem about which the drive (inverter) doesn't show/display the alarm and/or fault but instead of this , it doesn't work ? I want to know that could there be any kind of problem in the drive when the drive doesn't display the alarm and/or fault ?

0 Answers   Siemens,

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why using in cable mm square which is mm & which is square why using mm & square.

1 Answers   Airtel,

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