Inverters for Wind Turbines [RE-wrenches]

[Geoff Greenfield]

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I love my xl-1s but....

I wish for 48vdc output
I wish for temp comp or even better a networked controller
I wish and wish some more for a grid tie version
I wish for 3-5 kw unit

And what does Bergey do?  They work on a 50Kw unit... (which I ALSO wish
for).

There was talk of collaboration with Outback on a 48 VDC XL-1 paired with an
Mx-60 (a "WX-60") but then boB left and that is on hold.  After lots of talk
about grid-tied 1 kw it sounds like the decision was made that "it doesn't
make sense to pair a wind genny with an inverter that costs more than it
does... the market wouldn't buy it".  I told them I could sell more of those
than conventional ones... I wonder how the whisper Link is selling?

So here is a heads up... Instead of a windy boy, I paired an outback
GTFX2524 with a VERY small sealed bank 37 AH... yikes.  Sure enough the
inverter couldn't keep the voltage down.  What I hadn't prepared for was
that the new controllers need to be manually reset when they get into high
voltage "slow mode" (generally a nice feature).  So we came back and added a
dump load to the controller to burn off the peaks...  no probs since last
April (but probably pretty inefficient, clumsy and more expensive than a
windyboy would have been.  And those batteries will probably need changed
out several times.  (There is NO back up load... customer didn't want even a
single circuit - he had bought into grid tie, loved his PV/SMA system and
wanted a grid tied wind system too).



For a brighter energy future,

Geoff Greenfield
NABCEP Certified Energy Practitioner

THIRD SUN SOLAR & WIND POWER Ltd.
340 West State Street
Athens, OH 45701

www.third-sun.com
(740) 597-3111

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