EXPLAIN WORKING PRINCIPLE OF ALTERNATOR & MOTORS.

2 Answers   L&T,

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why AC signals are represented by sinusoidal waveform?WHY other waveforms not used for representation

0 Answers  

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Actually I have a doubt on neutral and earth.we use Ac power without taking neutral by connecting to earth,but at that time does it affects on efficiency of any electrical components or no? If yes how?

0 Answers  

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I want to know the standards for earthing system as per IEC, BIS & IEEE.

2 Answers  

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what is stper motor.what is its uses

9 Answers   Bhel, HCL,

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will there be any problem by recovering slip from single phase induction motors?

0 Answers  

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why the carbon brushes are broken in srim while the motor runningtime

0 Answers  

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Sir, plz tell me the relation b/w KW and frequency in Variable frequency Drive?

2 Answers  

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What is conventional thermal current (Ith)

0 Answers   Alstom, HPL,

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How we can change the direction of rotation of Induction motor? Prove it using graphical methods.

4 Answers   Adama University,

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In synchronous generators field is rotor and armature is stator.Can we take the output at the rotor in case of synchronous generator by the dc excitation on the stator?

2 Answers  

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can we use transformer for 70 Hz?

6 Answers  

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