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Engineering · L4 · Power delivery chain: generation to end use

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How electrical power is stepped up for transmission and stepped down for delivery, minimising I²R losses along the way.

by @openstemUpdated Engineering
Generating station~10–25 kVStep-up transformerraises voltageTransmission line~100–765 kVlow current → low I²R lossStep-down transformersubstationDistribution network~4–35 kVLocal step-downtransformerEnd use~120/240 V(motors, industrial loads)Inductive load?(lagging power factor)Add capacitor bank(power factor correction)Yes

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