Answer / vimal patel

You have to find that polarization index for insulation level which is depend on Voltage level and some other parameter so refer some reference for it like wikipedia for it...

what is the disadvantage of leading power factor...why can't we use it (pf=0) for a long period of time?

10 Answers   Appco, snsce,

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Electromagnetic torque developed by the motor is compared to shaft torque. A less B same C depends on motor design D more

3 Answers  

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2.5mva transformer is installed in our company with oltc but it is not working in auto mode ,it is operative in manual mode control wiring is done how can i rectify it?

5 Answers   Imdaad,

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If the neutral wire go pass through the core balance current transformer? If yes then why? and no then why?

2 Answers  

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why the transformers are rated in kv not kw?

6 Answers   L&T,

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I have 320 Kva DG Set his KWh running is 77 , how i can calculate into electrical unit .

2 Answers   Anuj Enterprises, Schneider,

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How voltage step down is done?

3 Answers   IOCL,

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heat can flow from a body at low temperature to a body at higher temperature only when ........ is supplied from an external source A). Voltage B). Current C). work D). Mass

7 Answers   BMRCL,

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what is meant by unity power factor?unity means one why dont call 2,3,4......?

6 Answers  

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explain comutator action in detail.thanks

0 Answers  

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What is DC power factor??

2 Answers   HCL,

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why we use single core 630mm2 cable for transformer secondary side

0 Answers  

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