advantage of motor design on higher power factor . normally motors are designed for .8 power factor. what is advantage of designing at .88 power factor

0 Answers  

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what is the necessity of neutral in 3 phase system?

5 Answers  

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What is the working principle of CFL & T5 tube light & 40W tube light with electronic ballast?

0 Answers   Remi,

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why the genearation of electricity always in form of sine wave only ??? why not cosine wave ???

1 Answers  

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why do we use 3 single phase instead of one 3 phase?? though vee connection is its advantage but what is the hidden reason behind it??

2 Answers  

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y r manufacturing fan is running into clockwise direction?y they can made in anticlock direction?pls give rply/ venkat.gattupalli@gmail.com pls send to my mail....

1 Answers  

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what is the problem in manufacturing transformer with 0 degree phase displacement.???why alwasys go for DYn11 or DY5?Whys not DY0 i.e zero degree displacement between primary and secondary side vectors?

3 Answers   Bhel, dpdc, Prime Electrical,

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in our sub station why we step down firstly 33kv\11kv then 11kv to 430v. can we direct step down 33v to 430.v.

18 Answers   Eaton, Siemens,

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what are the losses of capacitor??

1 Answers  

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what is the meaning of harmonic in AC waves and when which are prduce and what is the effects on line and give any other information about harmonics

1 Answers  

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how choose conductor &caple&wire depending upon the load

2 Answers   HCL,

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what is the formula to find battery back up of ups?

3 Answers  

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