How to select the Cable size for 550 Amps Load without seeing the cable Catalogue?

8 Answers   Nesma,

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what is a lightning arrester???

12 Answers   ABB, NTPC,

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in alternator how we can give power to rotor ? its power is AC or DC ?

5 Answers  

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conditions for parallel operation of dc generators

4 Answers  

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800A 22KV TP OCB. explain

1 Answers  

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explain why the armature voltage changes when the field rheostat is varied in self excited DC generator

2 Answers  

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what is PID control in VFD drives?

0 Answers   AES,

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what do you mean by star point.its importance in ct & pt

2 Answers  

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how i caculate the cable size for power factor correction unit for example 300kvar

1 Answers  

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what is a pf factor in generator.

3 Answers   CSEB,

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1.4 What is meant by CT knee point voltage and how would you determine it

0 Answers  

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define frequency ?

14 Answers   KPTCL,

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