Wind Turbines with Windy Boy Inverter - Point Power [RE-wrenches]

[Matt Tritt]

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One reason Bergey might not want to see breakers in their system is that the
controller may need to stay connected to the battery to allow proper
functioning of the dump load. That's how the old type analog controllers are
on the Bornay turbines we import. If the connection were to fail between
battery and controller, how will the machine "know" when to shut down?

Or?

Matt T
----- Original Message ----- 
From: "William Bryce" <wlbryce at direcpc.com>
To: <RE-wrenches at topica.com>
Sent: Saturday, June 26, 2004 8:43 PM
Subject: RE: Wind Turbines with Windy Boy Inverter - Point Power
[RE-wrenches]




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Hi Ray

 Although the Bergey manual says not to use breakers, to meet code, I
have had to use them. In off grid non grid-tie installs I use a 70 amp
breaker in the DC power panel. If you use a 60 Amp breaker you could
have "Nuisance tripping" and that could damage the controller when it
trips under a high load.  With 5- XL.1 turbines in the field, installed
with breakers we have never had a Bergey (new)controller failure.

 In our grid-tie system using Outback inverters, we had problems with DC
ripple that would effect the operation of the grid-tie inverters during
high turbine output and varying voltage. To correct this problem we had
to connect the wind turbine directly to the battery bank.

Hope this helps

Logan






Solar Ray wrote:
>
> Hi Geoff;
>
> I'm sorry I have no info in those other Wind units, but I just installed
> a
> Bergey XL.1 and wanted to ask a Bergey man how do you deal with code
> issues?  I like Bergey, but I find I have to use some pretty creative
> methods to say land conduit to their controller. Also they say NOT to
> put a
> disconnect between their controller and the batteries, so that too made
> me
> uncomfortable and seemed to violate some basic code requirements. Bergey
>
> then states that: " All wiring should conform to the NEC..." ;
> definitely a
> conundrum and I'm basically pretty liberal on code issues.  Also, our
> local
> building code restricts the height to 35 ft, making decent turbulence
> free
> installation difficult if not impossible.
> All thoughts, wisdom, expertise, etc. the list has to offer would be
> greatly appreciated.
>
> Ray
>
> At 11:28 AM 6/25/2004, you wrote:
>
> >While I am a Bergey man, I am curious as to any of your experience with
> >Point Power Systems wind products?  I think they are the "Fortis" line
> >with
> >some real running hours, and they apparently are selling a grid tie
> >model
> >set up for the windyboy.
> >
> >Along with that - there is a spanish company, "Bornay" I am curious
> >about,
> >and the chinese made "cyclone" that one of my competitors is goo-goo
> >over.
> >Happy belated solstice all...
> >
> >Geoff Greenfield
> >NABCEP Certified Solar PV Installer TM
>



Pine Ridge Products
www.pineridgeproducts.com
Certified Bergey windpower Dealer/Installer

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