How to work out Heat Loss

Discuss How to work out Heat Loss in the Periodic Inspection Reporting & Certification area at ElectriciansForums.net

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lofty84

Can anyone tell me how to determine the transmission loss in heat please.

the question is an overhead transmission line 70km long operateing at 400 Kv has a resistance of 0.15a ohms / km. the line carries a current of 700 A. Determine the transmission loss in heat
 

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