Transmission line losses

  • Thread starter Stivi
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Homework Statement


A 69 kW single-phase load with a power factor of 0.68 lagging is fed by a long cable with an impedance of 0.011+j0.005 Ω per phase. The voltage across the load is 230 V RMS. Calculate the heat loss in the cable in Watt [W].



Homework Equations





The Attempt at a Solution

 

Answers and Replies

  • #2
rock.freak667
Homework Helper
6,230
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The Attempt at a Solution

You might want to start by finding the magnitude of the current I.
 

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