i need to calulate the cable size when watts are mentaind wat z the formula

1 Answers  

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What if the difference beween internal and exrteranal LBB?

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Why scr and igbt used in  ups systeam ????

1 Answers   JLL,

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why core of transformer in square or rectangular why not in circle or ellipse if this what happens

2 Answers  

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why ht11kv supply needs discharging during shut down time

1 Answers  

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1. Can a 12v DC choke operate a 60v/12w PL lamp ? 2. Can a 230v ballast fire / operate a 60v/12w PL lamps.

0 Answers   ICS Integrated Computer Solutions,

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1 no. 22 kV feeder is taken from state electricity board. 350 MVA is the S.C. MVA. now i am feeding this feeder to HT Panel having 2 outgoings which further supply to 2 Transformers. Can you please suggest me the type & rating of cables are 3 of these cables same? or they are different? please help...............

2 Answers   TCE,

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what is the difference between metalhalide and mercury vapour lamp

1 Answers  

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why put integration for capacitorand differation for inductance

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How to select the ratio of neutral ct? Is there any relation in between percentage impedance and neutral ct ratio ?

1 Answers  

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How to Measure A.C Resistance for Earthing ?

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What are the effects of adding a zero to a system?

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