Answer / sushant

1st ac/ dc motor n type of motor acc. to requirement like
induction motor. for ac if 3 phase or 1-phase

then kw rating, pf and speed(rpm).

Answer / nithi

The question would be more beautiful,if you specified the
application (where it is needed, what type of
load,environmental conditions,requirements....etc..).

in CNC reference how to take? what kind of input give to the servo amplifier?

1 Answers  

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how the direction of rotation in a dc shunt motor could be reversed?

2 Answers  

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How to calculate incoming cable size for 33KV, 1MVA transformer.

1 Answers   IAC,

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what rectifiers is and what are the types of rectifiers?

0 Answers  

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why the transformer neutral earthing is to be done by copper flat only,if we use GI flat what is the disadvantage.

2 Answers  

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what happens if dc supply is given to the transformer?

10 Answers  

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Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.

0 Answers   HAL,

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what is the maximum load on for 10 kva & 25 kva transformer

8 Answers   ABB, Power Grid,

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what is meant by line voltage and phase voltage in a three phase transformer?

2 Answers  

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What is the difference between Relay and Contactor

35 Answers   Siemens,

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Which of the following connection is best suited for 3-ph, 4 wire system A delta-delta B star-star C delta-star D star-delta

2 Answers  

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I need the recommended size for a 3 phase transformer at 13.8 KV Primary and connected loads of 3000 kVA at 4200 volts and 2375 kVA @ 480 volts AC.

0 Answers   Duke Energy,

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