simone

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  • in reply to: 3-pole or 4-pole contactor #12191
    simone
    Participant

    Thank you, Spir Georges GHALI,

     

    That's exactly what I needed to know. Perfect answer with a very clear explanation.

     

    Thanks and regards.

    in reply to: Three-phase or single-phase output for UPS? #11901
    simone
    Participant

    Alen,

     

    You're right. Most of the loads are nonlinear: mainly PCs and some other electronic devices. I don't think there is any problem with “simetry” of the loads if there is a correct planification of the distribution among the three phases, before starting the installation. The fact is that I'm trying to find out if there is any strong argument which makes one option really better than the other one, but so far there isn't.

    in reply to: Three-phase or single-phase output for UPS? #11897
    simone
    Participant

    What do you think are the pros and cons of each option?

    I would really appreciate a technical discussion about this issue.

     

    Thanks

    simone
    Participant

    Hello,

     

    The first thing you should take into account is that the typical distribution of energy consumptions in service sector buildings is more or less like this: 30% lighting, 30% heating, 30% air conditioning. Obviously, this depends on the place where the building is located (for example: in some places the air conditioning system or the hetaing system or even both will not exist). So, you should focus your analysis in these areas, so the savings you get are significant. Anyway, my advise is that you contract an energy savings consultant who could make a complete energy audit in your building.

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