Hi mike,

Install a tristar between the wind machine and the batteries like normal. 
Just set the absorb volts way high. That way it will never get to absorb and 
hence not regulate.  

I use this technique with hydro often, but with MPPT. 

Jay
Peltz power. 

> On Feb 15, 2018, at 6:58 AM, Mike Kocsmiersky <mi...@spiritsolar.net> wrote:
> 
> I am going to be working with a group of high school students this summer who 
> have very limited prior solar experience.  We will be installing a small off 
> grid PV system (1.9kW) and small wind turbine generator (400W to 1kW).  I 
> plan on using three Morningstar Trimetric controllers, one to control charge 
> of the PV array to the battery bank, a second as a load control relay, and a 
> third as a dump control.  I can connect all the Morningstar controllers 
> together on an RS485 bus and connect to the solar charge controller via an 
> Ethernet link to the local area network.  The Morningstar controllers will be 
> monitored via a classroom computer, and they will be able to give me Ahrs in 
> from the solar array, Ahrs to the load, Ahrs to the dump load, but not the 
> Ahrs in from the wind turbine generator.  My question is, how can I add 
> monitoring of the wind turbine Ahrs that goes to the battery?  I will need 
> something that can get to the local area network.  Wifi or direct broadcast 
> may be difficult because I have to go through the electronics cabinet and two 
> brick walls.
>  
> The only thing I can think of is to add a Tri or Penta Metric from Bogart 
> Engineering, which would duplicate the info the Morningstar controllers would 
> give me, but could add the Wind Turbine Generator as well, but perhaps there 
> is a better way.
>  
> Thanks for your thoughts.
>  
> Mike Kocsmiersky
> Spirit Solar
> 413 734-1456 (cell)
>  
> _
> 
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