in star delta starter current is 1/3times the delta value how?

2 Answers  

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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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Dear all i want to know FEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me shibin_75@yahoo.com

1 Answers   FEWA,

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why CFL lamp requires less electricity than a normal lamp?/

3 Answers  

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what type of motor are there in megger how they work.

2 Answers  

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what is single phase motor?

5 Answers  

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What is the winding resistsnce need to be in a 1000kva, 11kv/415v transformer, between ht winding to lt winding, ht winding to earth, lt winding to earth.?

1 Answers   Trident,

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what is reactive and active power?why we need power factor correction?

2 Answers  

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how DC is differ from AC ? what are the difference between them ?exept (P-N)&(+__-)

2 Answers  

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IC 741 is opampIC..moreover AND OR NOT ICs also have '74' in them.. why is that number specifically used?

1 Answers  

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WHY THE SYNCHRORONOUS MOTOR IS NOT SELF STARTING, AND WHY THE STATOR AND ROTOR IS COUPLED?

3 Answers   Essar, GCUF,

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Hello sir This is prakash from bangalore i have a doubt why we have to maintain DG power factor in the range 0.78 to 0.8 Perhaps i f it is increased means what will happen in DG

3 Answers  

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