Endurance wind [RE-wrenches]

[Roy Butler, Four Winds RE]

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Jay,

The Endurance with Windward's own (very nice!) 100' tilt tower is around 
$35,000.
Not for the faint of heart but it's a very sturdy machine.
As for interconnection issues,  in some areas you will need the utility 
grade relay option which we
had to get here in NY. This was around $1,000 more.

I don't see a problem with AC coupling this machine. I've been dying to 
try it on this customer's 28.8kw dual
quad Outback system. That's the one you see on Outback's Extreme 
Gallery. With the 4800 AH battery bank,
I would think that would make for a very stable grid.

I believe this machine is going to be a real contender.

Roy Butler
NABCEP Certified Solar PV Installer®
NYSERDA eligible PV & wind installer 
Four Winds Renewable Energy, LLC
8902 Route 46
Arkport, NY 14807
607-324-9747
www.four-winds-energy.com

Although no trees were killed in the sending of this message, 
a large number of electrons were terribly inconvenienced.




Jay Peltz, Peltz Power wrote:
>
> Hi Christopher,
>
> Forgot about that one.
>
> What is the consensus on this machine or is it too early to tell?
>
> Because to AC couple it might come in real handy,
>
> thanks,
> jay
> On Feb 21, 2008, at 2:41 PM, Christopher Freitas --- OutBack Power wrote:
>
>>
>> Well the $20,000 is just my guess... just from looking at what it
>> includes &  requires...
>>
>> The real question is whether they can meet the new UL1741 requirements
>> for anti-islanding and power quality.  I know other turbines using
>> induction motors have had issues and required additional hardware -
>> which is not a big deal if it's a 25kW or larger turbine - but a $3000
>> utility protective relay / sectioning switch box for a 5kW turbine would
>> be a hardship of course.
>>
>> As far as SWWP - I was referring to the Skystream 3.7 - sorry to be
>> confusing.
>>
>> Christopher
>>
>>
>>
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