Thanks Jay -
 
The AEI MM-5 can work in couple of ways with wind turbines, or water turbines.  If there is a charge controller with the wind system, it can go straight to battery with a setpoint close to the MM-5 float setting.  The MM5 will (with a few setpoint changes) export down to 0.5V below float.
 
The DC-DC converter can also be used to convert higher, and possibly variable speed turbine output down to 48V, but we only have the choices of a fixed input voltage, or PV MPPT at this point.  Also, there must be external means to keep the turbine output below 120V, the DCDC max input rating (either self regulated/stalling, or a dump load controller).
 
Regards
 
Rob Wills
-----Original Message-----
From: jay peltz [mailto:jay@asis.com]
Sent: Wednesday, February 20, 2002 5:09 PM
To: RE-wrenches@topica.com
Subject: Re: Battery-less wind turbines? [RE-wrenches]

Hi Ben,

The only ones I know about are the Bergy 10kw.  I think SmA is working on such a inverter but not there yet is what I've been told.

You might also look at using the AEI MM-5, instead of the SW.

jay

peltz power

ben dubin wrote:

Does anyone know if there are any wind turbines that do not require batteries?  I have a grid-tie Sunnyboy PV systems that the customer wants to make a hybrid system adding wind.  I thought all wind turbines require batteries and we have to swap out ths Sunnyboy for an SW and add at least a few batteries. Ben DubinCalifornia Alternative Energy Systems - CAESCO 
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