Power factor

2012-05-09View Original

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This post was last edited by jennifer12580 on 2012-5-9 17:17. When calculating the required capacity, which lighting fixtures have a power factor of less than 0.9? Which lights require consideration of ballast losses? What level of loss should be taken into consideration?

Reply #22012-05-10

Considering 10%, those with electronic or inductive ballasts are all included. :)

Reply #32012-05-11

Thank you! So, when there are both single-phase and three-phase devices in a distribution box, how should the capacity be calculated?

Reply #42012-05-13

Convert single-phase to three-phase first, then calculate. ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !

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Power factor

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