Oops, the dump load water heater is at the turbine, not the inverter. :)

Randy Brooks
Brooks Solar, Inc.
Solar Power for People
140 Columbia View
Chelan, WA  98816
509-682-9646
ra...@brookssolar.com
www.BrooksSolar.com

On Apr 22, 2010, at 4:37 PM, Randy Brooks wrote:

Mark,

PowerSpout, from New Zealand, (www.powerspout.com) makes a grid tie version of their turbine that includes a dump load water heater at the inverter and uses an SMA grid tie inverter. Worth checking into.

Good luck,

Randy Brooks
Brooks Solar, Inc.
Solar Power for People
140 Columbia View
Chelan, WA  98816
509-682-9646
ra...@brookssolar.com
www.BrooksSolar.com

On Apr 22, 2010, at 11:04 AM, Mark Dickson wrote:

Hello Wrenches,

Got one for you. . .

We have a customer that has great potential for a micro-hydro system and already has the grid on his property. The obvious way to tie the turbine unit in would be to go back through batteries and a GVFX or XW. In trying to eliminate the batteries and the inefficiencies I want to look at using a battery-less grid-tie inverter. I am assuming that I could use a small inverter such as the PVP 1100 and high-voltage Stream Engine. The problem I am trying to work around is how to divert the ~240DC output of the turbine, if and when the grid goes down. Would this be as simple a placing a relay on the AC side of the inverter and having it switch on/off a large diversion load?

For the diversion load I was thinking I could just series up a set of water heater elements to get to the necessary voltage.



Has anybody accomplished this before? Jay? Are there any other elegant solutions for this?



Has anybody successfully used a WindyBoy with hydro?



Best regards,



Mark Dickson,

NABCEP Certified Solar PV Installer ™

Oasis Montana Inc.



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