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Author Topic: Turbine Power Production kwh  (Read 3215 times)

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nekit

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Turbine Power Production kwh
« on: October 17, 2011, 09:39:18 AM »
Not sure if most people have a way of figuring this, but I was curious what others with 17' Otherpower turbines see in the way of daily energy production.  I have a 17' grid tied with an Aurora inverter that collects data.  Over the past several months I've seen a average daily production of 6kwh in mostly low wind days.  The past few days I've been getting an average daily wind in the 9-10mph range and have been getting 14kwh per day.  This is an average wind for 24hrs and have seen gusts as high as 30mph.  I have a Davis Weather station mounted at 40' that collects wind data.

I currently have the turbine set to furl early.  It seems to start to furl about 10mph and be furled at about 20mph.  So far I've only seen a max of 2500W out of the inverter, so I may adjust the furling up higher.

Just curious what others are seeing out of their comparable turbines.  You can see more info on my turbine in the Users Diary section under "My 17' Turbine so far"

Thanks
Rob
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bj

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Re: Turbine Power Production kwh
« Reply #1 on: October 17, 2011, 01:23:41 PM »
    Can't help Rob,  just thought I'd let you know you made me drool on my keyboard.
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bj
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SparWeb

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Re: Turbine Power Production kwh
« Reply #2 on: October 18, 2011, 03:02:31 PM »
Nekit,

Nobody's going to tell you that.  Can you guess why?

 ::)

(...because you'll probably beat them by a wide margin, with your grid tied high-V alternator.  People just don't give up bragging rights that easily!)



PS
I hope everyone can tell that's a compliment, thinly veiled by wry humour.  This stuff gets misinterpreted so easily...
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No one believes the theory except the one who developed it. Everyone believes the experiment except the one who ran it.
System spec: 135w BP multicrystalline panels, Xantrex C40, DIY 10ft (3m) diameter wind turbine, Tri-Star TS60, 800AH x 24V AGM Battery, Xantrex SW4024
www.sparweb.ca

rossw

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Re: Turbine Power Production kwh
« Reply #3 on: October 18, 2011, 05:33:25 PM »
Quote from: SparWeb on October 18, 2011, 03:02:31 PM
(People just don't give up bragging rights that easily!)

Some people are FoS too, and some lie!  :)

<joke>

The 3 foot tall VAWT I made out of scrap milk bottle tops and paddlepop sticks is making 7,700 kWh/day here in an average 3mph breeze. I'm really looking forward to September when we get our windy month...!

</joke>
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Rover

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Re: Turbine Power Production kwh
« Reply #4 on: October 18, 2011, 05:57:47 PM »
I hear RossW also has some swamp land for sale, snorkel required for visiting :)

I'm agreeing with SparWeb ... and I don't have anything larger than 7' and that's going into batteries... you think I'm gonna post my numbers after seeing your numbers... not a chance....lets just say there are orders of magnitude in between and yours are higher.

Although other grid tie folk might...

Rover


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Rover
<Where did I bury that microcontroller?>

taylorp035

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Re: Turbine Power Production kwh
« Reply #5 on: October 19, 2011, 11:53:20 PM »
The Bergy 10 kw machines in erie (class 3-4) are doing 20-40 kwh/day... so for a 17' you are doing really well :)
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SparWeb

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Re: Turbine Power Production kwh
« Reply #6 on: October 20, 2011, 12:48:22 AM »
Okay I can't resist real numbers.

The June issues of Home Power magazine published a comparison chart of WT's on the market, from big to small. 
Sizes comparable to yours are:
Fortis Montana, 211 sq.ft. swept area, 16.5ft diam
Evance R9000, 246 sq.ft. swept area, 17.7ft diam

In the charts they list the manufacturer's claimed energy production (for one year).

Fortis Montana, 211 sq.ft. swept area, 16.5ft diam, 4438 kWh @ 9mph

Evance R9000, 246 sq.ft. swept area, 17.7ft diam, 5030 kWh @ 9mph

Divide those number into days and you get 12 and 14, respectively.


So you're bang on target!  I won't say congratulations or that I'm impressed because I'd just be repeating myself.
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No one believes the theory except the one who developed it. Everyone believes the experiment except the one who ran it.
System spec: 135w BP multicrystalline panels, Xantrex C40, DIY 10ft (3m) diameter wind turbine, Tri-Star TS60, 800AH x 24V AGM Battery, Xantrex SW4024
www.sparweb.ca

dave ames

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Re: Turbine Power Production kwh
« Reply #7 on: October 20, 2011, 03:33:06 AM »

Thanks for the look Rob,

Some great eye candy for us wannabees in the build thread of yours, glad Dan asked you to share it with us.
http://fieldlines.com/board/index.php?PHPSESSID=1164ab4894f2cc36767a474702189f33&/topic,144309.0.html

Had a look at those comparison machines SparWeb mentioned and realised your homebuilt is standing proud in relation to commercial turbines in the $20,000 range!

Totally impressed 8)

Kind regards, dave
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