Answer / k.prakashchandra

Input to single phase motor is 1150 VA, whereas to 3 phase
is about 1000 VA (line voltage=230 V)per HP. The efficiency
of single phase motor is less than that of 3 phase.

Transformer Specification say 66/11KV, 23/27/35MVA OFDAN,what is OFDAN? we know ONAN,ONAF or OFAF

2 Answers   Siemens,

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1))why we run three phase or three different circuit from a single conduit 2)) why not two circuit of different phase run in same conduit?? and why we run same three cicuit of same phae run in single conduit??

0 Answers   ACC,

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what is a core company? why should we join a core company?

1 Answers  

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How to calculate the cable size in sq. mm. when the load is given in KW?

1 Answers  

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when generator of a power plant is not connected to grid , by increasing the mechanical torque speed of rotor increases but when it's connected to load instead of increase in speed current increases , why?

1 Answers  

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No load test of induction motor is carried out to compute= A stator resistance B rotor resistance C magnetizing reactance D rotor reactance

1 Answers  

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Distinguish between neutral earthing and equipment earthing?

7 Answers  

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what material is used in capaciter

0 Answers  

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Why air gap in rotating machines should be small?

3 Answers  

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1. When do you use a VFD motor? 2. If the ceiling fan is on slow speed, does it consume less electricity? 3. If we want the fan to consume less electricity at low speed, what do we have to do? 4. What does “battery of 180 AMP HOUR” mean to you? 5. What does “battery of 180 AMP HOUR” mean to you? 6. If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

6 Answers   Asian Power, Bhel, Focus, Focus Energy, L&T,

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if two transformers are parallel & both have fault short ckt. impedance of 50KA in each case will it increase or decrease show example?

1 Answers  

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if our load is 65000 watts howcan we find out all char like cable size. mcccb etc

3 Answers  

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