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Type: Posts; User: Boertjie

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  1. Answers
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    1,814

    DC Installation earths

    Hi,

    If you have a 48 volt DC system and the positive is earthed. What is the formula to work the size of the earth conductor to the equipment out? You can't have it the same size or bigger as your...
  2. Question: Sizing of UPS

    by Boertjie
    Answers
    2
    Views
    1,133

    Sizing of UPS

    Hi,

    If I have 300 computors each with a load of 400watts and I want to make provision for UPS back-up, what size UPS do I cater for? I have 3 phase 400VAC available.:rolleyes:
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