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Inverters (bonding)

Discussion in 'Home Power and Microgeneration' started by Rob, Nov 3, 2005.

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  1. Rob

    Rob Guest

    Hi all, Is there a simple way to tell if an
    inverter can be hooked-up to a home?
    (The ground can be bonded to nertral?)
  2. Rob

    Rob Guest

    Thanks, 2 yrs ago I did the same thing to a xantrex 1750W. Did it again
    today. And I may do it again next year,(Plugged it into the 'unswitched
    netral' circut, (I have 2 unswitched and 1 switched) and, Poof, the little
    red light comes on). So I see a trend. I need the
    equipment to be smarter than I, get rid of the three odd ball inverters
    (well just 2 left now) and get one decent (affortable) inverter. Looking
    at a Prosine 1800W. Manual says its UL & CSA rated. Dont need a battery
    charger, and can't justify the $$$ for an outback.

    Thanks for the reply, make the search easier..............Rob
  3. Rob

    Rob Guest

    wrote in
  4. Except I don't think UL listing is enough. Outbacks work well - mine is
    bonded to neutral.
  5. Rob

    Rob Guest

    HEY EVERYONE........DEREK HAS AN O U T B A C K !!!!!!!!

    Useless reply, had you read the post. Never pass a chance to stroke
    your ego? eh
  6. Most of the small inverters (under about 500W) seem to use a circuit
    that boosts the DC to about 80 volts, then inverts this without isolation.

    The result is that if one measures ac voltage from the round (grounding)
    pin on USA type plugs to either of the flat blades there will be about 60
    volts AC. If the ground is connected to what would conventionally be the
    neutral blade befor the DC power is applied, the inverter will not start, but
    may survive. Making a connection on an operating inverter will damage
    the inverter beyond repair (and not covered by warranty). Experienced
    this with Xantrex, Coleman, and store brand units. Some of the user
    instructions warn of this, but not all. Best to make the above measurement.

    Bill Kaszeta
    Photovoltaic Resources Int'l
    Tempe Arizona USA
  7. TNT

    TNT Guest

    Also check on the ones with a GFI outlet , they are isolated and very good,
    no Chinese junk.
  8. Yes, I did. Sorry you didn't think it worthwhile. You said you couldn't
    justify an outback - but if you can't get another inverter that won't trip,
    then perhaps it justifies itself.

    Since you're not actually interested in serious responses, I shan't bother
    continuing with this.
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