explain the f=np/120 this equ.how to come 120

3 Answers   Jayaswal Neco Industries,

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what is sustainable current of any conductors . a bare busbar or pvc cable has different sustainable current .

0 Answers  

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is any body explain me why return current in three phase power system is less then in a red, yellow, blue phases??? as we know Ir+Iy+Ib=In then why nutral wire has less then phase current????

2 Answers   Bhel, DRIEMS,

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I am getting differential earth fault in my transformer realy , i have checked all its CT & control wiring but do not get fault, Please help

6 Answers  

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how to calculate lux level in out door (yard lighting) please expalin with a example

1 Answers   IVRCL,

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What is the meaning of loop in transformer

0 Answers   AST,

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How many types are using in 220kv/400 kv swith yard

0 Answers  

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why we choose 50 or 60 hertz not other value for the power system?

4 Answers  

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what is EIB lighting control system? what is the advantages of this system?

0 Answers  

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generator means

1 Answers  

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what is the meaning and full form of AYFY CABLE?

10 Answers   ABB, Cable Wireless, Ecom Associates, Tamboli Engineers,

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what is power plant?

2 Answers  

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