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  1. Rob1984

    Street light power consumption question.

    DPC, Can you please write all the calculations, what and how much will be consumed. This calculation was done by company who is offering some products to me, I just want to check if they are telling truth. Thanks, Rob
  2. Rob1984

    Street light power consumption question.

    Hi guys, Case: just an ordinary street light, 400w HPS bulb. What will be total consumption? Is this right true? Lamp 400w Electrical disribution(rectifier) 100w Comprehensive Cable Loss 6%, 400x6%= 24w Transformer loss 3%, 400x3%=12w Reactive Power Compensation, power factor 0.85 Total...

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