Answer / anwar hussain

Yes we need to take few steps before installing the transformer like verifing the site , load calculation , transformer rating should be more than 25% load holding capacity grounding arrangement should be good enough and the insulators should be tended of dielectric strength and the lighting arrestor should be connected to the hv source and must be connected to ground as well

what will happen if ac motor given dc supply?

1 Answers  

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sir please send me iocl written test paper in my e-mail account. i'll be obliged to you........ thank u roshan

0 Answers   IOCL,

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In track electrification Either we use single conductor or double conductor? why?

2 Answers  

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wwht is wave trap used in ht line

4 Answers  

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What is super thermal power plant? and how it will differ from normal thermal power plant

0 Answers   AK, Suzlon,

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why exciter frequency 150 Hz ?

1 Answers   Siemens,

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Why the meters sonnected to metering core of CT are not damagedon event of a fault??? Explain the phenomena??

1 Answers   Schneider,

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if a 3 point starter is not available, how can a dc motor be started?

3 Answers   Accenture, BIT, Techno Solutions,

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We use MCCB not MCB for motor starters because MCCBs has capablity to drawout the motor starting current which is 5-6 times the full load current of motor for 1sec. Then why we use SDF in starter panel means MCC panels. Pls reply if any one knows this answer.

1 Answers  

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why core losses and copper losses does not depend on power factor?

5 Answers  

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Which type of moter is used in trains, what is the ratting of supply used explain Working principal?

2 Answers  

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when giving a supply to wounded coil it will get magnetised, but the same is not if it is not wounded on a core..and it is getiing short....why.......

3 Answers  

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