What is the formula to find out cross sectional area of cable for certain current rating?

1 Answers   MRF,

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can u give me a brief idea about power line carrier communication ??

0 Answers  

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what is meant by VFD ?where its useful ?

7 Answers  

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give some advantages and disadvantages of combiniing the session, presentation, and application layer in the osi model into one single application layer in the internet model

0 Answers  

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why field rhoestat is kept in minimum position while armature rheostat at maximun position?

3 Answers  

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Why transformer ratings in KVA not in KW?

6 Answers   ABB,

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DERIVE AN EXPREION FOR MAXIMUM POER TRANSMISSION, WHAT ARE ITS APPLICATIONS.

0 Answers  

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There is 15 KVA UPS using for single phase load.And 30 batteries of 12 V, 100 Ah are connected in series. Load is taking 15 A current.What will be the back up power for this UPS on same load?

1 Answers   BS, Dynamic Software,

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how we can measure the dc current instead of clamp meter ?

1 Answers  

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what is power factor for any engineering equipment?? what should be its value?

3 Answers   ETA,

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Why using synchronising methed in DG's sets?

0 Answers   Juniper Networks,

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when we put inducter in neuteral grounding of genrator.

3 Answers  

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