Hi, Iam an Aircraft structural design engineer, I have developed interest towards the design of small wind turbine of 1 kW capacity. I did some initial study...
27912
JOHN
jmartin778
Sep 6, 2010 9:29 pm
Hi group members, I am looking for a reliable manufacturers that can produce PM Alternators between 2KW and 5KW in USA for windpower systems. Many thanks for...
27913
Doug
dougselsam
Sep 7, 2010 1:44 pm
An Aerospace engineer - OUCH that is indeed a handicap. First of all better forget that you are smart, or know anything, and act like a beginner. Now go to...
27914
Nando
nando37@...
Sep 7, 2010 2:33 pm
DOUG: Your STANDARD point of view of technically trained people ALWAYS alter your ego trying to tell the member that the knowledge, the member possess, is a...
27915
jerry freedomev
freedomev
Sep 7, 2010 2:36 pm
Hi Doug and All, That's a little harsh and not even correct Doug. First your camber method gives up 50% of the available power and won't start very well...
27916
Doug
dougselsam
Sep 8, 2010 4:50 am
OK OK Nando, I was trying to add a little humor. I don't know if this beginner is quite ready for your traditional, obligatory, promotion of your...
27917
sonasguy
Sep 8, 2010 4:50 am
Doug is a big boy & can answer for himself, but I have one of his WTs & I will tell you that his blades are, indeed, all wood. (unless you count the paint) DC...
27918
olivierkrug
Sep 8, 2010 5:27 pm
Hello folks, We have been installing several 20kW turbines in the 10m diameter range. We had issues with all of them and we end up with the usual disapointing...
27919
Neil Dennis
wombat_eagle
Sep 8, 2010 5:28 pm
Good comments, Doug: Having spent over 45 years in "industry";, starting with only a high school education and working up to "senior engineer", I've seen way...
27920
Claus Nybroe
windmission
Sep 8, 2010 5:56 pm
Said so often: Some like the mother. Some like the daughter. Some like both of them! There are no truth in small turbine design, however there are many...
27921
Claus Nybroe
windmission
Sep 8, 2010 6:36 pm
Wish you had better luck Oliver, but your experience is probably the name of the game - hype killer. Interesting that best performer is the Vergnet GEV...
27922
Nando
nando37@...
Sep 8, 2010 8:12 pm
Doug: A little humor has its place and should be shown as such -- your "humor" in this case did not sound as a humor but at a matter of fact, specially knowing...
27923
Nando
nando37@...
Sep 8, 2010 8:13 pm
Olivier: Poor performing with good reliability = Low wind regime Good performing with POOR reliability = GOOD wind regime POOR wind mill design and...
27924
Randy
lane_pilot
Sep 10, 2010 2:53 am
Karl Bergey, founder of BWC is an aeronautical engineer with degrees from Penn State and MIT both. Does that count? randy cooper...
27925
Doug
dougselsam
Sep 10, 2010 2:53 am
Hi Everyone. GE is having a great contest called Ecomagination Challenge. Anyone can join, and submit your idea, for a crack at fame and fortune, or just look...
27926
Doug
dougselsam
Sep 10, 2010 1:52 pm
Every so often I don't know what I'm talking about....
27927
Nando
nando37@...
Sep 10, 2010 5:05 pm
Right You are DOUG, often !! When One writes, the past, and present comments should be placed on the balance-- to avoid placing 4 feet in mouth. -- they taste...
27928
PETE AUSTIN
paustin_upto...
Sep 13, 2010 1:49 am
It should work just like the prairieturbines.com they use a AC motor through a gear box and their own controler. when contected to the grid it locks on for...
27929
Doug
dougselsam
Sep 13, 2010 5:37 pm
That's not quite a synchronous motor, exactly. While the Prairie turbine is speed-controlled by the grid, and it DOES "synch" up to the grid to a large...
27930
Nando
nando37@...
Sep 13, 2010 9:39 pm
The direct drive motors may have more than 360 - 480 pole pairs including some with more than 1200 magnets- to produce the high voltage at around mill's 6...
27931
Doug
dougselsam
Sep 13, 2010 9:42 pm
Many facts wrong such as needing an average wind speed of 3 mph.(!) Note: After 20 years of programs to lower the cost of wind energy, the cost is about the...
27932
ferrand
ferrandst
Sep 15, 2010 1:23 am
Honnef's contra rotation examined the grid linking of synchronous generators. Done by the 3rd Reich Wind Energy Ministry. The advantage here being that while...
27933
Paul Rekow
paulrekow
Sep 16, 2010 3:50 pm
Has anyone seen any of the Honeywell wind turbines installed yet? I have an energy advisor from my local utility that is looking at buying one for ...
27934
jerry freedomev
freedomev
Sep 16, 2010 4:31 pm
Hi Paul and All, The one I saw pics of will be an overpriced, $5k I read in gizmag, low eff unit that is not worth much at all. When one has that many blades,...
27935
Doug
dougselsam
Sep 16, 2010 9:07 pm
I'd LOVE to see the Honeywell turbine tested with data published. With all the tax dollars we provide to advance clean energy, why does not some government...
27936
hermsearch
Sep 16, 2010 9:08 pm
Can this Honeywell wind turbine create enough energy to keep a 48 volt battery pack in a 5 mph wind area, charged? Herm...
27937
Michael Klemen
wind4energy
Sep 17, 2010 12:18 am
Doug, Certification of small wind turbines via the SWCC willhelp resolve these issues. :) Data will have to be acquired, and turbines tested in order to be...
27938
Michael Klemen
wind4energy
Sep 17, 2010 12:24 pm
Hi everybody, I was on the Proven web site a couple weeks ago, and found some distributors for parts for my Proven WT2500.I contacted two of them, and nobody...
27939
JOHN
jmartin778
Sep 17, 2010 1:32 pm
We have been looking for good reliable proven manufacturer for low wind speed PM generator that can produce power starting a 50RPM and up to 1000RPM and the...
27940
Nando
nando37@...
Sep 17, 2010 4:34 pm
Very low RPM -- PM generators are as rare as Rooster teeth. The rotor may need a high number of poles = magnets and a larger diameter rotor to obtain the...
