what is the thumb rule or formula for cable size and current ratings

1 Answers  

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please can i know about total harmonic distortion and how i can calculate it and if anyone can help me to find any program to help me to calculate THD?? please need it

1 Answers  

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what is the purpose of vector group in a transformer ? if 2 tranaformers r connected in parallel the vector group is same or not? for parallel operation 2 transformers of different manufacturers maintain same vector group or not?

3 Answers   Orchid,

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what are all the preventive maintainance carried out in DG?

1 Answers   TATA,

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Why effective AC resistance is more than DC resistance of a transmission line?

9 Answers   HCL, ONGC,

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what is difference between sub-station and switch yard.

16 Answers   Bhel, Ravate,

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if our load in 3 phase circuit is 4000 amp. calculate the capacity of capacitor panel if line power factor is.80 .

1 Answers   ST Micro,

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What is marx circuit?

0 Answers  

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Why we can't start a tube light without a starter(choke) and an inductor?

1 Answers  

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what is negative d.c. voltage, why this voltage is used in base transciever station.

0 Answers   Vintage Air,

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types of transformers?

1 Answers   Torrent Power,

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What happened to installed high capacity conductor for smaller current rating?

1 Answers  

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