A 3 phase motor operating off 415V system is developing 20Kw at an efficiency of 0.77 and power factor of 0.73. determine:- a)the line current. b)the phase current if winding are delta connected. c)the phase voltage if winding are star connected.

1 Answers  

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How generator NPS(NEGATIVE PHASE SEQUENCE TEST)TEST WAS DONE? PROCEDURE WITH DETAILS?

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What is VSCF windelectrical system?

0 Answers  

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pls send link about servo motor

3 Answers  

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bitumar

0 Answers   Bhel,

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why ht motors are star connected?

0 Answers  

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why servomotor motor? where i apply for best output?

0 Answers  

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wat is the advantage of increse in frequency?how the powersupply range decreses as the frequency increses?like in america,it uses 110 ac and 60 hz?

4 Answers  

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what is mean by marshalling box in transformer?

8 Answers   Reliance,

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how did i get the competency certificate as electricle supervisor. iam completed my b.tech.but i dnt have any experince, this certificate is required for applyng ongc mangement trainees. what should i do sir please suggested me

0 Answers   ONGC,

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hello everybody. please tell me the function of transformer bushing,s. i heared somewhere that it saved transformer winding from sky electricity. please tell me if that is right then how it work,s. Thank,s.

2 Answers   3EEE,

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what size steel armoured cable is required to support 1500kva capacity. would 70mm squared be enough or would I need 90 or 120mm squared 3c plus earth

0 Answers   Conan Minerals,

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