Answer / sarbajeet jena

Since the excitation emf is zero, heavy currents would be drawn by the armature if connected to the rated voltage supply. Also, if the voltage is large, the reluctancetorque due to saliency may bring the rotor in synchronism with the rotating flux (ie.the synchronous machine will run as a reluctance motor)

what diff. between earth nd neutral?

3 Answers   NTPC,

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What is the difference between electrical earthing and electrical grounding?

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What is nyquist contour?

0 Answers  

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Can I use measuring current transformers in protection purposes?

7 Answers  

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for ac networks if the voltage wave form is V=Vm sinwt here the voltage Vm=230 for the frequency 50hz then the time period is 0.02 sec then for the time period 0.12 sec what is the voltage

4 Answers  

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4 Answers   SSC,

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why skin effect is decreases with decrease with frequency? why skin effect occur

5 Answers   Kirloskar,

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can i use 4 number of circuit breaker as single phase manual change over switch? if yes then how plz also send ckt diagram at nazimzamurad@gmail.com

0 Answers  

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Why not connect relay Y phase for over current and earth fault

1 Answers   HB,

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1 Answers   Essar, TCS,

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1 Answers   Deevya Shakti Paper Mills,

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how to determine motor size for a fan application?

0 Answers   EDC,

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