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ChrisOlson Regular Member Joined: 19/01/2010 Location: United StatesPosts: 60
Posted: 03:52am 06 Jan 2012
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ROTFLMAO! Now that's probably the funniest thing I've heard all week.
--
Chrisoff-grid in Northern Wisconsin, USA
ChrisOlson Regular Member Joined: 19/01/2010 Location: United StatesPosts: 60
Posted: 03:25pm 07 Jan 2012
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I've spent the last couple of days doing more figuring and tuning than building. So I made a couple more sit-on-the-edge-of-your-set nail biters on the deal:
mac46 Guru Joined: 07/02/2008 Location: United StatesPosts: 412
Posted: 12:28pm 20 Jan 2012
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ChrisOlson,
The "figureing and tuning" part is just as important and interesting to me as the pictures of what you have built.
Just want to say that you'r builds Rock...thanks for shareing.
Regards
Mac46I'm just a farmer
ChrisOlson Regular Member Joined: 19/01/2010 Location: United StatesPosts: 60
Posted: 04:07pm 20 Jan 2012
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Thanks - I don't know if these things Rock. But I did get this turbine running in the meantime and had a few problems. Just about burned up the voltage clipper for it two nights ago. I found out the turbine can put out more power than the current limit in the Classic controller can handle, and my clipper wasn't powerful enough so it burnt the heating coil springs black.
With the voltage clipper not being powerful enough it let the rotor speed get too high. Once the blades got up to 550-600 rpm the turbine refused to furl. It was furling fine @ 450 rpm. But once the wind picked up it reached the limit of the Classic's output and went into over-speed. It was generating right around 5 kW for 6-8 hours with roughly 2.5 kW going to the batteries and 2.5 kW being dissipated by the clipper @ 145-147 volts.
I built a more powerful clipper for it last night that will dissipate more power below 100 volts and hopefully keep the turbine from over-speeding so the furling works.
So I have had a few growing pains with this one, and a steep learning curve. And all my calculations and figgerin' ended up not being even close once I got the machine on the tower --
ChrisEdited by ChrisOlson 2012-01-22off-grid in Northern Wisconsin, USA
mac46 Guru Joined: 07/02/2008 Location: United StatesPosts: 412
Posted: 08:48pm 20 Jan 2012
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Hello Chris,
Wow! 5kw for 5 or so hours...She's a real brute of a machine to have survived the wind storm and still be working ok. I have a good feeling about this one, I'd say it passed the test in flying colors, just need a few minor tweeks to the furling ect. like you said.
Don't let you'r face and fingers get to cold in these temps. if you'r out side, in these winds it won't take long.
Regards,
Mac46I'm just a farmer
ChrisOlson Regular Member Joined: 19/01/2010 Location: United StatesPosts: 60
Posted: 10:12pm 20 Jan 2012
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Well, the max amps was only about 35 --
Chrisoff-grid in Northern Wisconsin, USA
mac46 Guru Joined: 07/02/2008 Location: United StatesPosts: 412
Posted: 09:32pm 21 Jan 2012
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Hello Cris,
Well ok, 35 amps at 155 volt/ 2 phase/ ac...I was thinking it was dc current at 24 volt...still alot of power to be generating, but well controllable if it is ac.
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