CAN WE GENERATE AC WITHOUT DC EXCITATION?

1 Answers  

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How to calulate Voltage Drop for perticular lentgh of busbar (Cu/ Al)?

1 Answers  

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In DC generator, we use commutator, having no. of segments. Then how it is possible to get a half wave of voltage and current for half rotation of armature?

1 Answers  

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what is mean by descripiency relay? & wht is its ansi code?

1 Answers  

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Explain the construction of the conservator, operation and purpose, and draw the diagram of the conservator.

1 Answers   Siemens,

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can anyone tell me can the electromagnetic waves can be reflected back?if so how &by which material it can be reflected back?please tell me so that it can help to my wireless power trasnmission device.

1 Answers  

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IF i have switchgear with busbar current rating of 1000Amp 35kA then is it necessary to have outgoing breaker kA rating to be equal to busbar kA rating?

6 Answers   L&T,

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how to calculate the power factor when instantaneous voltage and current has harmonics in it ?

1 Answers   Sandhar,

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why fractional pitch winding generally used in alternators?

1 Answers   TATA,

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what is meant by tranformer impedance?

1 Answers   Synergy,

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function of apfc pannel

3 Answers  

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What is Reactance & Impedance? what is diffrence between these?

2 Answers  

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