Parallel strings, different orientations, mix match string sizes

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    Curtis Community Moderator

    Hello Christina Gyles

    Thank you for your contribution to the Tigo Community!

    The topics you mentioned are for systems with two or more strings wired in parallel. However, it's possible that the inverter has two separate MPPTs (maximum power point tracking) internally. An MPPT is what controls the load source and many inverters on the market have two or more MPPTs for independent string control. If this is true, each string would be wired separately (in series), and the angle of the rooftops and 25% concern is not such an issue. 

    If you are seeking more assistance with this, you may always contact our Sales Engineering Team and provide them with the system design and equipment list. They will review the system setup and provide any consultation necessary to ensure that your system has optimal production. 

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    Christina Gyles

    Thanks for your reply, that's really helpful. Just an update, I've spoken with the installer, and the set up will actually be one string, two arrays, I'm happy with that as that eliminates the concerns I had.

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    Curtis Community Moderator

    That's great news!

    Enjoy your new solar system and have a sunny day. 🌞

     
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