A MACHINE WHICH HAVE 1000rpm SPEED IS LARGER IN SIZE AS COMPARED TO THAT OF A MACHINE WHICH HAVE 1500rpm.WHY ?

2 Answers  

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What is the function of isolater

4 Answers   Getco, Gland Pharma,

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what is effect of length of air gap on performance of dc motor and generator?

0 Answers   DEI,

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what is the earthing condition between earth & phase.

3 Answers   ABB,

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which part of transformer heats up the most and why? windings, core or oil .

3 Answers   Lafarge,

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How do you select a cable size(cu&Al)for a particular load?

2 Answers  

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What is the differance between negative dc voltage and positive dc voltage because some circuit uses -24,-5,-12,- 15,volt dc supply

10 Answers   eLab, Hero Honda, NTPC, Suzlon, Teradyne,

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1) name the communication cable and how it is communicate in between plc to modbus , plc with hmi? 2)name of the communication cables?

1 Answers  

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in which base we defined the conductor is Dog type, Squirrel type, rabbit type, wolf type etc used in transmission line?

3 Answers   Bhel, CIL,

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In any Industry, Which voltage level either 3.3kV or 6.6KV to be chosen? Then I would like to know ,Is there any cost consideration or Rating of motor?

5 Answers  

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How to calculate phase to phase difference in 33KV Line ,11KV Line etc.

1 Answers  

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is dc shunt moter oprate on ac? if no why? if yes how?

8 Answers   IOCL, JJJ, Power Grid,

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