Xantrex Sun tie inverter [RE-wrenches]

[Jay Peltz, Peltz Power]

<x-flowed>

Hi Allan,

Yep all this is possible, but then you have to add a timer onto it so  
that it delays closing for 5 minutes.
Also the problem is that it takes a bit of time ( especially for this  
inverter ) to MPPT and so it'll go VOC, poof.

This is the first one I and my hydro guru have tried at low voltage,  
and like I said at high voltage its easy, lots of voltage room and  
choices,
but at this low voltage its tough.

cheers,

jay
On Nov 25, 2006, at 1:06 PM, Allan Sindelar wrote:

>
> Jay,
> Since it's a low-cost, low-risk system anyway...how about a NC AC- 
> coil relay
> powered by grid, with the NO/Common power terminals directing DC to a
> resistive dump load? (Not that I've tried this...) Grid goes down,  
> relay
> immediately opens, allowing hydro to go to the dump load. You might  
> have to
> use an MDI mercury contactor to handle the 100V DC, but they're not  
> that
> expensive in 60A capacity.
> Allan
>
> ----- Original Message -----
> From: "Jay Peltz, Peltz Power" <jay at asis.com>
>>
>> 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.
>>
>> 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.
>>
>
>
> - - - -
> To send a message: RE-wrenches at topica.com
>
> Archive of previous messages: http://lists.topica.com/lists/RE- 
> wrenches/read
>
> List rules & how to change your email address: www.mrsharkey.com/ 
> wrenches/etiquette.php
>
> Check out participant bios: www.mrsharkey.com/wrenches/
>
> Hosted by Home Power magazine
>
> Moderator: michael.welch at homepower.com
>
>
>


- - - -
To send a message: RE-wrenches at topica.com

Archive of previous messages: http://lists.topica.com/lists/RE-wrenches/read

List rules & how to change your email address: www.mrsharkey.com/wrenches/etiquette.php

Check out participant bios: www.mrsharkey.com/wrenches/

Hosted by Home Power magazine

Moderator: michael.welch at homepower.com
--^----------------------------------------------------------------
This email was sent to: michael.welch at homepower.com

EASY UNSUBSCRIBE click here: http://topica.com/u/?bz8Qcs.bz9JC9.bWljaGFl
Or send an email to: RE-wrenches-unsubscribe at topica.com

For Topica's complete suite of email marketing solutions visit:
http://www.topica.com/?p=TEXFOOTER
--^----------------------------------------------------------------



</x-flowed>