How can you calculate the size of the down conductor cable for the lightning protection system. Is 70mm2 cable can replace 95mm 2 bare copper cable when the copper tape size is 25Wx3 thk mm.

0 Answers  

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List the power rating of any 5 important electrical appliances used in houses.

0 Answers  

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which type of effect of turbine and generator reverse power protection ?

0 Answers   NTPC,

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Why is it that North America uses 60 hz frequency while Europe uses 50 hz?

4 Answers  

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how to distinguish between ac motor and dc motor without seeing name plate of it.only seeing its getup look

3 Answers   Nahar, Siemens,

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I want to know in body earthing which material can be use either copper plate or GI plate please guide us which is best option.

3 Answers  

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why we use 50hz frequency in india why not other frequencies like 52,59,42 etc

5 Answers   INTC,

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In case of legging current of 20°, pf is .94 and leading of 20°,pf is .94 , in mathematicaly both are same but in realy how it is differ ?

3 Answers  

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Can u tell me about HVDC transmission?

6 Answers  

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what is apparant power and reactive power

2 Answers  

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FOR WHICH FAULTS OR CONDITIONS DOES A TRANSFORMER DIFFERENTIAL PROTECTION DOES NOT OPERATE???

10 Answers  

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How i can calculate current of cable according to ares?

0 Answers   Pharma,

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