Answer / k.prakashchandra

They are periodical checks and the details are given in the
maintenance manual

the single phase voltage is 230 volts and threee phase is 430 v.why three phase is not 660 v?

2 Answers  

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difference b/w series&parallel

4 Answers   ABB,

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what is the difference between a feeder and a cable?

3 Answers  

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In secondary transmission i.e., in distribution side, supply for homes are connected through different phases in order to balance the 3 phase load. But in practical we saw nearby house doesn't have power due to single phasing. But other two phases give supply. How it's possible? it doesn't make "single phasing"?

1 Answers  

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is it possible for different brand of H.V transformers to run or operate in parallel to each other? if so how much disturbance can this affact the H.V bus bar?

1 Answers   Unitech,

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What is Difference Between Induction Motor & Servo Motor

31 Answers   Jindal, Kirloskar, KTTM, Star Technocrates, Toyota,

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Why dc Supply used in Control circuit.

12 Answers   HP,

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why we are using earth pit in sub stations.?

1 Answers  

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why neutral grounding transformer is used for generator and why it is not used for transformers?

2 Answers   UPCL,

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What would be the ratio of a Delta-Wye tranformer having 48000 volts phase to phase on the primary and 4160 volts phase to phase on the secondary?

5 Answers  

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Can anyone explain about Control and power circuits of star delta starter & DOL starter ? How it works? please!

1 Answers  

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Why a Transformer Noise during its running condition ??

11 Answers   NTPC, UPPCL,

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