At 04:39 PM 19/05/98 +0200, you wrote:
>...
>>  Note that if you do NOT use a transformer, then you will have a
>>triangle-type output and will not be able to ground the center point
>...
>I have distant plans of a small wind power plant.
>I have been thinking about a 400V 3-phase generator like this:
>DC input is +340VDC, GND/Neutral, and -330VDC
>Switching stages are one pair IGBT(or something) for each phase, conecting
>to +, -, or both off.
>The wind generator charges large lead batteries.
>For best performance i connect series of batteries to achieve the named
>voltages above (lowest loss, cheapest, and best peak power), but it is very
>lethal *:(
>Safer to use a 48 or 60V battery configuration and a push-pull converter to
>get high voltage DC...
>/Morgan
>
>/  Morgan Olsson, MORGANS REGLERTEKNIK, SE-277 35 KIVIK, Sweden \
>\  mrt@iname.com, ph: +46 (0)414 70741; fax +46 (0)414 70331    /
>
>

I agree on the 48 to 60V stuff, as this is a Telecoms standard power supply,
and is also used by lots of solar power type companies. So there are quite a
few companies that already make the inverters, eq. Solarex, Solartron, BP
Solar just to name a few