Answer / jakeer

well you are using 75 HP(55KW) motor.its flc is 96amps at 433 volts.

1.Main contactor:200amps rating.
2.Delta:200amps.
3.star; 125amps.

how to identyfy cable sizes?

4 Answers   IAF, Mylan,

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what is the value will come when megger the phase to phase ,phase to neutral ,phasae to ground ?

3 Answers  

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what will happen if a cw rotating altenator being synchronized to ccw rotating altenator

2 Answers  

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If single phase voltage level is 230V than why three phase voltage level is not 660V ?, but it is only 440V.

16 Answers   BSNL, DOS, EFS, HMT, L&T, TCS, ThyssenKrupp,

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Dear all,recently in our plant we installed a conveyor for this the motor ratings are 5 hp and Amps 7.39.Due to on urgent starting of conveyor we fix the DOL starter with range of 9-15 amps.give me suggestion regarding on this issue

1 Answers  

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what is load cell? whrere its used ? how to measured?

2 Answers   Essar,

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I have 90KW Motor 60 Hz,380V Pf 0,88. after testing the Motor without Load is the no load Current 36 A,but wenn i put load after 2 hours the current increase more than 156 A. Can anybode tell me waht is the Problem?

4 Answers   ABB,

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Why  we are always  only used 11 kv.  , 22 kv ,33kv      in transmission line? Why not use 25,  55 ,65 kv ?

3 Answers   Khidmah LLC, Precision Camshafts Limited,

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Define coil span?

0 Answers  

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How to calculate the phase to phase clearness of HT /// LT bus bar?????

0 Answers  

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Why the size of transformer decreases if we increases the frequency?

5 Answers   Graphics Engineering,

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what are RCBO ?

4 Answers   GE,

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