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  1. M

    Mismatched panels & MPPT sizing

    Wiring all 8 pv panels in series ... Add the Vmp volts but then LIMIT the entire circuit to the lowest Imp Amps = 4.57 amps 145 Vmp volts = 52.2 V + 52.5 V + 39.8 V 663 Watts = 145 volts x 4.57 amps Wiring all 8 panels in parallel ... Add the Imp amps and average the Vmp volts ... 43 Imp Amps...
  2. M

    Integrating Generator with Solar PV System

    Yes, they make relays / contactors that can disconnect a GTI When the generator is ON, then energize the relay / contactor and disconnect the GTI from the Main Panel. When the generator is OFF, then the GTI will reconnected to the Main Panel.
  3. M

    Breaking negative DC twice in disconnect

    To get the 600 Volt DC rating, 3 poles are typically wired in SERIES. For grounded PV systems all three poles break the ungrounded wire. For Ungrounded PV Systems then one Pole breaks the (+) wire and 2 Poles in series break the (-) wire = 3 poles total Search "Eaton 600 VDC 30 Amp Fusible...
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    1567221114135.png

    • mvas-sti
    • Media item
    • Comments: 0
    • Category: Professional Electrician

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