How to control motor gearbox speed and friquency? If length of cable and dia given, how to measure the voltage drop?

0 Answers  

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what is the function of switch gear ?

10 Answers   Exxaro,

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At what speed an electric car can run with 2 HP motor of weighing 400 kg?

0 Answers  

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What is the function of electron gun assembly used in crt?

0 Answers  

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In 2500kva transformer how much is the withstand High voltage power frequency between primary to secondary and earth? And secondary to primary and earth?

1 Answers   Honeywell,

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What is the need of black rock stones under the transformer yard?

5 Answers   TNEB Tamil Nadu Electricity Board,

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what curve and rateing would you use for a three phase 0.75kw motor?

0 Answers  

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75 kw motor take 45 amp in no load delta in star 10 amp but in load it will take 160 amp but IR velue of winding above 500 at 1kw ph to earth and ph to ph. what problem it should be?

0 Answers  

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what is meant by Ac & DC drives where its useful ? how its functioning ?

3 Answers  

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in elevator industries , how to calculate the required KVA for the elevator (elevator spec- 40A module , motor of 13.5KW, 20A)

1 Answers   DLF, Tata Steel Limited,

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What is the meaning of BREAKING and MAKING CAPACITY in case of CIRCUIT BREAKERS.

2 Answers  

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To test Transformer we give HT side 440V to see wheather that it is producing 17.6V on LT to verify Voltage ratio is correct or not but when we give the 440V voltage to LT side then what will happen to HT voltage ?

3 Answers   Aditya Birla,

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