why dc current is supplied in america rather than ac

1 Answers  

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what is the minimum requirement gigaohms for the insulation test using 5kv in 300mm xlpe cable

0 Answers  

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What are the factors considered for the selection of cable?

6 Answers   NPCIL,

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75kw drive operated motor current fluctuation from(85-130)ampere.current setting in drive is 130amp.sometimes motor trip when current limit cross 130amps.I change the drive. still current fluctuate between 80-130amps but in this time motor not trip,current setting in drive is 130amps.where is the problem?

1 Answers  

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What are the different protection systems takes place on control panel board?

7 Answers   BSNL,

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what do you mean by 1 ton in AC`s

36 Answers   Bhel, Bosch, ITC Infotech,

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Can you please explain creepage distance in detail, for a 6.6kV cable head what must the distance be and how do you determine it?

0 Answers   Prism Cement,

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What are merits & De-merits of State-Space Method? What is series programming, parallel programming, general programming & direct programming ? And, difference between these programmings Techniques ?

0 Answers  

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why we r not earthed Control cable of C.T. terminals

0 Answers   HCC,

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which is the most common harmonics 3rd,5th,7th affect the systegm

4 Answers  

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Usage of flywheel diode in relays

0 Answers   Jindal, Voith,

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what is Fan Control Cubicle

0 Answers  

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