Answer / sukhvinder

excitation means energiseing of rotor field by external dc
supply.

in lab almost both dc and ac are used.

how to calculate the step resistance for slipring induction motor,how you deside the no of step for that?

0 Answers   ABB, Visa,

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How we can calculate the capacity the Air Condition capacity? like 1 or 1.5 ton's, What is the means of volume of Ton's in capacity of Air Compressor? Why in ton's,? not any other Volume?

2 Answers  

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why voltage swells and dips in transmission line?

2 Answers  

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What are formula we can apply to determine the HT/LT current of 11KV/433V transformer except KVA/LV×√3. ?

2 Answers  

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3 measuring instrument for transformers?

5 Answers  

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Are same transformer be employed for step up and step down services?

3 Answers  

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What is difference b/w fuse and breaker?

3 Answers   Jindal,

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why use -48 volt DC power in telecom?

3 Answers  

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What is the disadventage of gland earthing(power cable) if any. ?

0 Answers  

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IN MCCB AND MCB TERMINATIONS ARE IN-COMING ON TOP AND OUT GOING ON BOTTOM,IF WE TERMINATED INTERCHANGED TOP AND BOTTOM ITS WORKS?

2 Answers  

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what is AH of battery

6 Answers   NSIC,

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What is meant by vector group

0 Answers   GPSC Gujarat Public Service Commission, VA Tech Wabag,

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