A three-phase feeder with three conductors type THHW, with 400 m, in length, must transmit a load of 990…

A three-phase feeder with three conductors type THHW, with 400 m, in length, must transmit a load of 990…

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A three-phase feeder with three conductors type THHW, with 400 m, in length, must transmit a load of 990 KW at 340 V between phases, with a frequency of 60 Hz and a
power factor of 0.90 behind. Drivers must go inside a steel Conduit tube. Calculate the caliber of the conductors and the Conduit tube, if you want the voltage drop not to
exceed 5%.

Expert Answer:

Answer rating: 100% (QA)

To calculate the required conductor size for a three phase feeder and the size of the conduit tube y
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