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UPS Output | Smart-UPS & Symmetra LX / RM

UPS Output

Discussion in Smart-UPS & Symmetra LX / RM started by Erwin , 5/15/2020 3:05 AM
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UPS Output

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  • erwinh

    Hi,

    We have a 2 difference voltage measurements of a General Purpose Outlet (GPO), that is supplied by power supply network and backed up with a UPS.

    1. When GPO supplied with Power Network it is read:

    • L – N = 233 VAC
    • L – E = 233 VAC
    • E – N = 1 VAC

    2. But, when GPO supplied with UPS, it is read:

    • L – N = 234 VAC
    • L – E = 187 VAC
    • E – N = 50 VAC

    Why does this happen?

    If there is something wrong, how to fix it.

     

    Thanks for the advice.

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