Xantrex Sun tie inverter [RE-wrenches]

[Jay Peltz, Peltz Power]

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Hi Don,

Yep trying to keep this from happening, of course this guys at the  
end of the road way out, common winter power outages so this is a  
real concern.
At higher heads there are lots of options, but at this low head, best  
I can get is 150-200v VOC,

I'll play around with the windings to see if I can lower the voltage  
etc.

Yes I can get some pretty pricey  dump loads from SWWP, but trying  
not to.

Thanks,
jay


On Nov 25, 2006, at 12:04 PM, Don Loweberg wrote:

>
>
>  What fun to be on the cutting edge. The main thing is to keep the  
> turbine max v below the smoke point. One concern I would have is  
> the situation when the grid goes down, inverter shuts off, turbine  
> load goes to zero, turbine revs up and smokes inverter. Seems like  
> the wind guys may have had to deal with this situation. Good luck Jay.
>
>  Don
>
>  -----Original Message-----
>  From: jay at asis.com
>  To: RE-wrenches at topica.com
>  Sent: Sat, 25 Nov 2006 8:39 AM
>  Subject: Xantrex Sun tie inverter [RE-wrenches]
>
>   Hi All,
>
>  Have got a very unusual installation.
>  1. very load head hydro 15'
>  2. grid tie, battery less ( hopefully) Yep feeding the inverter  
> with the hydro.
>
>  Since the low head precludes using a high voltage turbine, the  
> only low voltage machine I can come up with is the old
>  Suntie XTR, which I got for free. Max VOC 120.
>  Measured voltage at turbine in test VOC is around 150, working  
> around 75-90v.
>
>  So what are my chances?? or will this go up in smoke.
>  Who would know?
>
>  And on that note, since I'm not totally up to date on all the grid  
> tie inverters out there, is there one that
>  can work at this low voltage? with wattages up to around 1200 or  
> so.??
>  The small one from SMA might work, but with having to change the  
> dip switches for different voltages, thought it might be a problem.
>
>  Thanks,
>  jay
>
>  Peltz Power
>
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