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Impacts of reactive power and harmonics on LV network losses [article]

Andrew Urquhart, Murray Thomson, Chris Harrap, University, My, University, My
2019

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Reactive power and harmonics have been proposed as key factors contributing to losses on LV networks. This paper describes measurements of reactive power phase displacement and harmonic distortion over a large number of LV feeders, demonstrating that low power factors mostly arise when the demand is lowest. Loss calculations for a set of eleven feeders show that distortion has a low impact, less than 10% of the loss power and near zero for feeders with higher losses. Phase displacement can
more » ... ficantly increase losses, particularly for commercial LV feeders. In one example, power factor correction would reduce losses by up to 36%.
doi:10.34890/984 fatcat:ilk3of5zqvhrneddnq5kxghfx4
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Andrew Urquhart, Murray Thomson, Chris Harrap, University, My, University, My. "Impacts of reactive power and harmonics on LV network losses." (2019)