Answer Posted / love kumar

for three phase copper cable is consider as 1sq mm ,3amp.
for aluminium cable 1sqmm -1amp

Why is the starting current high in dc motor?

619

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draw 3 phase rectifier diagram

1718

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What is meant by vector group

1980

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I have a drawing of a wound rotor induction motor for a crane. This crane motor has 5 forward speeds & 5 reverse speed implemented of course with different amount of resistance for each speed setting selected. What has got me scratching around is the fact that 8 of the 10 speed selections switch in uneven (unbalanced) amounts of resistances on each of the 3 connections to the motor's rotor.Can this be possible? I would have assumed this would produce unbalanced rotor currents and therefore vibration in the motor. I would greatly appreciate anyone's comments on this. Many thanks, Confused.

1409

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Two bulbs of 100w and 40w respectively connected in series across a 230v supply which bulb will glow bright and why?

625

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I Just want do EHS Certified Certification Distance Course From Govt approved,so can any body provide me details.

1695

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In layman terms, what is the difference of Dielectric strength and dielectric constant when speaking of an insulating oil

2177

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What is the difference between earthing,ground&nutral?

5443

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draw vector diagram and +ve,zero sequence diagram of symmetrical three phase fault.

1493

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How to work definite,over pluxing,revers power,OSR relay

1252

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WHAT IS FAULT CAPACITY OF HT MOTOR TERMINAL BLOCK? ANY BODY HAVE ANSWER PLZ....POST IT.

1717

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What types of CMOS memories have you designed? What were their size? Speed? Configuration Process technology?

3145

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How many types oil using in transformer ? How many letars using in transformer..?

1554

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Is it required to do earthing in 2nd shop if earthed armoured cable is laid from 1st shop ?

1437

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What is the effect of solar radiation on the design of an Isolated Phase Busduct?

1872

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