what the reson to use phase shift( angle) like (dyn11,Dd5 or Dy0)are usedin power and transsmison line

1 Answers  

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why two contacts(in series) are using in closing circuit

3 Answers  

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why all transformer colour is same?

3 Answers   OPTCL,

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PLC Based Process Automoation Panels?

2 Answers  

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How to know Resistance and Reactance value of main and aux winding of single phase capacitor start capacitor run induction motor to find capacitor value?

0 Answers   Siemens,

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why it is necessary to maintain frequency constant in a power grid ?

1 Answers   NTPC,

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if we convert ampers into kwh or mwh ,which one formula use by us,pls tell me?

3 Answers  

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IS there any special instructions to be taken while installing the tranformer.

1 Answers  

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What is Fan Coil Unit . How can we calculate CFM .

3 Answers  

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how much allowable resistance that can be difference in motor all coils?

0 Answers  

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how am i achived model paper to prepratio for bhel exam

2 Answers   Bhel,

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What is floating earthing?

2 Answers   Equate,

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