wire size help

Discussion in 'General Questions' started by fixitguy, Mar 14, 2011.

  1. fixitguy

    fixitguy WindyNation Engineer

    im getting closer to puting my genny in her place.i realize mounting this thing in a pine tree just wont cut it.so a tilt tower is on my list.all but mounting a slipring is done on the mechanical side.untill i get her up in the clean air i'll not know what the blades will do.blades are not a problem.
    i work on boat props and the tooling is there.looks like i'll be about 100 feet from the house which i plan on power just the 110 side of.
    maybe 750 watts of stuff will be needed.my question is what gauge wire to run from the tower to the bank @ that distance?
  2. Minnesota

    Minnesota WindyNation Engineer

    12V WN500; 40A 3% drop 250 MCM
    24V WN500; 40A 3% drop 2/0 AWG
    12V WN750; 60A 3% drop 400 MCM
    24V WN750; 60A 3% drop 4/0 AWG
  3. murray2paddles

    murray2paddles WindyNation Engineer

    Fixit guy
    I think there are multi responses to you question, what works in real time and what is recommended.
    Two of my turbines run approx the same distance to the house 120 ft.
    On the WN 500 I use #12 three wire (common house )
    On the WN 750 I use # 8 & run 3 wires.

    Even though # 12 is not recommended I have never had a problem. In theory there will be loss due to resistance but then again I have recorded some real decent watts / amps on the forum .

    If I had the $$$ and resources I would always go to the heavier wire BUT. You don't have too !
  4. fixitguy

    fixitguy WindyNation Engineer

    thanks fellas.i forgot to tell you it's a 3phase genny.the fella that flew it years ago said he had 100 foot tower and then another 50foot run to his rectifiers and batts.
    he used 12 gauge and powered his house no problem.he said keep the distance between the recs and batteries short as possible.

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