Answer / pillay

Can it is allowed and practiced.

In Power cable specification what is U0/U and Um.

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how to find out three phase motr kw with out name plate..

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Will it be OK to connect a 5MVA 33/6.6kV Ynd11 Transformer to a Star connected Motor. Or on other words connecting a Delta to a Star. I have another 30MVA 33/11 Dyn11 and would it be practical to convert it to Dd0 consequently converting the Voltage Ratio to 33/6.35kV Dd0.

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In AC if the direction of current keeps reversing every half cycle, how does it propogate through the transmission lines?

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what is the value of current and voltage that our body can resist ?

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why induction motor speed is decress with increase in load? how synchronous motor speed is constant?

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why ups rating in kva? and why ups are in parellel?.why isolation transformer is used in ups?

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The undesirable property of an electrical insulating material is

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what convarts RRA in alternator ,AC to DC or DC to AC,

1 Answers   Birla,

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formula for calculation of switchgears(i.e. contactor, fuse, cb, relay etc.), if load current is given?

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which type of ICs can be used in resonant power converter?

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The purpose of a choke is to provide a ?

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