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Thread: ideal setup for 3 Phase 208V 43.2KW SolarEdge Inverter 175-200 OCPD

  1. #11
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    Quote Originally Posted by electrofelon View Post
    One thing I have done for a supply side connection is installed a 320/400 amp meter socket. This gets you your two sets of lugs, one for the regular loads and one for the solar. Even though the class 320 socket is larger, I find it "cleaner" overall than installing a wireway or box somewhere to make the tap.
    Most if not all the AHJ's I work with will not allow any connections other than their own inside their revenue meter can.

  2. #12
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    Quote Originally Posted by ggunn View Post
    Most if not all the AHJ's I work with will not allow any connections other than their own inside their revenue meter can.
    bummer then you cant run service entrance conductors out of the meter I guess no power for those people.
    Ethan Brush - East West Electric. NY, WA. MA

    "You can't generalize"

  3. #13
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    Quote Originally Posted by electrofelon View Post
    bummer then you cant run service entrance conductors out of the meter I guess no power for those people.
    You know what I mean, though, right? They allow no line side PV connection in their revenue meter can or CT enclosure.

  4. #14
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    Quote Originally Posted by ggunn View Post
    You know what I mean, though, right? They allow no line side PV connection in their revenue meter can or CT enclosure.
    So they allow 230.40 exceptions 1,2,3, and 4 but not 5? That doesn't make much logical sense. Could you put a light or recep on it to make it an exception 2 or 3 install?
    Ethan Brush - East West Electric. NY, WA. MA

    "You can't generalize"

  5. #15
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    Quote Originally Posted by electrofelon View Post
    So they allow 230.40 exceptions 1,2,3, and 4 but not 5? That doesn't make much logical sense. Could you put a light or recep on it to make it an exception 2 or 3 install?
    I haven't tried any sort of end run around their policies; they just say no and we obey. Except for CPS (San Antonio) they all allow IPC connections to the service conductors in the MDP, so that's pretty easy. Most of them, anyway; one of them allows no supply side interconnections, period.

  6. #16
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    Quote Originally Posted by electrofelon View Post
    So they allow 230.40 exceptions 1,2,3, and 4 but not 5? That doesn't make much logical sense. Could you put a light or recep on it to make it an exception 2 or 3 install?
    The local muni utility in my town says no PV supply-side interconnections, and that's the end of the discussion with them. Never been a supply-side interconnection here and they have PV systems from residential up to I think 700kW commercial. All load-side.

  7. #17
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    Quote Originally Posted by hevnbnd View Post
    New install for myself. Looking at using this new 43.2KW SolarEdge Inverter on 3 Phase 208V. Here is a link to the specs.
    https://d3g1qce46u5dao.cloudfront.ne...ds_na_data.pdf

    I suspect a supply-side tap is the only option. Per manual OCPD is 175A. However it states "You may use a larger size than recommended but never above 200A.

    This is a new install with underground service coming. I was thinking service to meter. Meter to Tap to outside disconnect.

    So my question is what is the cleanest setup? Any photos of 3 phase install?
    If you are doing a new service entrance I recommend going for a load side interconnection. For me, supply side is something you do if there is no other possible way to do a load side.

  8. #18
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    Quote Originally Posted by pv_n00b View Post
    If you are doing a new service entrance I recommend going for a load side interconnection. For me, supply side is something you do if there is no other possible way to do a load side.
    "No other possible way" is a pretty broad concept. For me, a full MDP is reason enough.

  9. #19
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    Quote Originally Posted by ggunn View Post
    "No other possible way" is a pretty broad concept. For me, a full MDP is reason enough.
    One person's "no possible way" is another person's "hold my beer and watch this."

  10. #20
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    Quote Originally Posted by pv_n00b View Post
    One person's "no possible way" is another person's "hold my beer and watch this."
    I don't drink beer at work (not usually, anyway ), but of the hundreds of residential PV systems I have designed, I'd wager that a good 15% are supply side interconnected. It's not a big deal.

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