reliable domestic wind research

[Oliviier]

Hello everybody,

I am speaking to you because I see that I am dealing with specialists on this forum.
I plan to install a 6 or 5 kW wind turbine at home and I would like to have your opinion on two machines of this power.

The first is a Scottish Proven wind turbine of 6kW. What reassures me about this machine is that the manufacturer has existed for 30 years and that they have installed nearly 4000 around the world.
http://www.ecolia-energies.com/eolienne-proven.html

The second, L'Evance de Windéo.
http://www.windeo-planet.com/fr/notre-gamme-deolienne

What do you think?

[Christophe]

5 to 6 kW is already heavy. It is necessary to count between 10 and 15 € installed (foundation and mast included) so do not be mistaken.

Did you analyze the winds for X months before embarking on such a project? What is the potential?

Where do you live?

[Oliviier]

I am in Brittany 30 km from Quimper. So a lot of wind.

[bidouille23]

Bonjour,


The sirroco of EOLTEC French high-end manufacturing with real certified perf and a holding in time already proven, annual production record for a small of this size, and no breakage while it is on the second most windy point to the world (annual wind average 7.2 m / s I cross ).

Otherwise proven, Krestrel, jimp? Bergey

Uh "I'm in Brittany, 30 km from Quimper. So a lot of wind." in front of or behind the trees;) and the red light or ??

no i'm in brittany it doesn't mean anything sorry.
Me too I live in Brittany and that's not why it changes the geographic layout of the place itself;).

If you are at the top of the Brez lead (Breton mountain of at least 300 m: =)) you will have more wind than at the foot of the latter no, in front of the sea or in the forest or not far ???

The installation of a measurement mast is not trivial (unless you have money to throw out the windows of course), at one meter near the wind veins are not the same but then not at all, there are for example coeficient of ground.

Then the height very very important, the wind energy is a function of its speed at the CUBE, so at each m / s of gangneed wind the result is found in the cube 2 m / s = 8, 3m / s = 27, 4 m / s = 64 etc, so you have to get the wind where it is.

So do not let yourself be lulled into an illusion with a 12-meter mounting mast. It is an economic and legal aberation, by laziness asking for a building permit you shoot yourself in the foot, unless you are facing the sea on a hill the 12 m are ineffective.

It is at twelve meters that the winds begin to become laminar and it is they the laminar winds which will provide us with extractable energy, so at 18 or 24 M you will have stable and regular laminar winds especially in Brittany.

Small note, the meteo france wind data are results of measurement taken at 50 m high so do not trust it.

In short if your installer builder (request to olivier KRugg of krugwind SARL, creator of forum "small wind turbine" on yahoo, go ask them their opinion;)).

Anyway I say 6 Kw yes after wind study of at least 4 months, and EOltec or Proven (preference to Eoltec will see you will understand, even the American say that it is high technology there is only in France that we do not know mdrrr to say the level of wind in France)

http://www.eoltec.com/Fr/Main_fr.htm

Otherwise you can go to the SEPEN site (French test center with machine testing) but be critical of the results depending on the time the machine has been supplied by the manufacturer, who can remove it as he wishes, so for certain the measure is truncated and it looks like a jarnaque from the manufacturers (I think of two American manufacturing among others, a vertical and a horizontal with the blades in the shape of a scimitar;)).

Now there is the IEC standard for wind turbine certification verifies that the one you choose has it.

Then pay attention to how you wind your wind turbine, if we do not advise you to study wind then it is that you are going to be plucked,, if you rock you pretty words full of money gain then you go get plucked and finally if you tell yourself that the license is useless then you're going to get plucked (that's why wind turbines are dangerous for birds) ).


Real good advice calls a real good old fitter, or the manufacturer.
I am no action in eoltec but it is a French brand of world renown, and which despite a price very slightly higher than other but with the resistance and the performances assured.
If I am not mistaken it is necessary to count around 15000 Eurso all inclusive, electronic mat etc etc, and not as with France Eoliene, the you will have what you with ask and in addition to real real advice from real pros .

a good hearing a Breton informed is worth two or even three;)

yes WINDEo I will be wary;) all their wind turbines are cheap sold with a good profit, a bare skystream is at 6000 Euros net;), and these are wind turbines that have not been proven and you will find on the net a document from a former employee of maria power which explains all the flaws of this wind turbine and which could not be corrected (maybe now yes;)) cause more money for R&D but a lot for marketing, and an owner that I know is not at all cash of its purchase, it does not produce at all what had been promised (normal 12 my sentence) this say when looking at the notes of the manufacturer it does not offers no mast more than 18 m ???? bizard no;). go to more.

Go on the forum yahoo:


http://fr.dir.groups.yahoo.com/group/pe ... =dir&slk=1

and pause your questions to the professional like here;) but mainly on wind power.
see you

[dedeleco]

Hello,

It is at twelve meters that the winds begin to become laminar

Archival, since the Reynolds number remains astronomical, but the structure of the vortices is less fluctuating, more regular, but it is not at all laminar, never laminar, even for a paper plane, because if not more lift and wind turbine, because without inertia effect, essential !!
!!

The physics of laminaria as in a jar of jam or quicksand is completely different, without lift (we sink in quicksand, the more we move because true laminar).

So this improper term makes any physicist jump!

At ground level, the wind only arrives when a whirlwind accidentally reaches the ground.
But the wind is never laminar, but the structure and frequency of the vortices is variable depending on the distance of the obstacles, over Km !!
A horror for small planes behind an invisible A380 far away.

When scams totally agree, there are everywhere, in technology.

In Brittany and Paris region, the max wind is 180Km / h or 300Kgp / m2 that I saw on my houses in Christmas 1999 and therefore the wind turbine must be guaranteed for this wind (can be seen in the size of the tubes) ( it must resist the pull of a large car) and for greater certainty, have a replacement guarantee if the wind demolishes it during the depreciation period (5 to 15 years ??)!
Otherwise big risk of seeing it fall before !!

[bidouille23]

Hello ,,

Dedelco, I agree with you that the winds will never be totally laminar, that's why I say that at twelve meters there begins to be less disruption to have a start of production, there are less at 18 and even more at 24 and so on (I keep it simple in the explanation I know ).
You quibble and you're right the word is important and I often use the wrong words to express my thought (confused lol).

this does not detract from the fact that a HAWT will work with laminar winds and VAWT soapius with turbulent winds , and be yes according to the trades have accepted the abuse of language;) (in frame a grasshopper has nothing to do with the living insect;) and yet they both have large legs ).
good for darius I don't really know which wind it uses exactly the most ???

Otherwise scam side if it was only the mast, the blades everything that is quickly done is poorly done in general .

Take chinoi copper (sorry still chinese I have nothing against them but it practices free trade super too free sometimes i find that only engages me) which barely contains 30% copper balance sheet, the wind turbine plugged in flows well but nothing happens at the bottom and for good reason everything leaves in fact joules in the descent cable .

How many hundreds of people have paid wind turbines never assembled or never finished ??? How many with masts of 12 m and which have practically no production while 5 to 10 meter above it would have an honest production and all because of quick sale and quick cache for the seller, because a permit takes time to arrive and there are constraints, yeah all that for what, to be quick and earn fast and a lot of money, and c who pays ??? the guy who wants to do well and invest the small savings he has made in life and who listens to a seller with his patter ...

oops I get carried away sorry, in short the IEC Standards are quite strict but will make disappear maybe some good manufacturer who does not sell enough machine to pay all these certification finally brief ...

Good night ;)

[Oliviier]

In summary, I understood your message, you have to go as high as possible. I plan to go up to 15 meters high.

I come back to my original message on the comparison of two machines, the Proven 11 wind turbine and l'Evance de Windéo.

According to Bidouille, I must be wary of Windéo and the EOLTEC wind turbine is not bad. Except that this wind turbine is distributed by Wéole which is the worst of all in my opinion. Read this testimonial that I found.

http://www.paris-normandie.fr/article/a ... te-du-vent

Sorry Bidouille but the Eoltec does not seem very solid compared to the Proven 11 and moreover the manufacturer has existed for barely 10 years while Proven has been 30 years. Knowing that a wind turbine must last at least 20 years, I do not intend to take any risks on this. Bidouille, you who seem to know the Eoltec well, does it stop when the winds exceed 100km / h. Proven 11 never stops.

I am looking for videos on the assembly of the Eoltec to compare it to the Proven. I found a lot of montage videos about Proven on this page.

http://www.ecolia-energies.com/video-pe ... tique.html

I await your suggestions to compare.

Have a nice week end.

[bidouille23]

Good evening, sorry to disappoint you but it's not that weole sells eoltec that they are not reliable .

At hazar look at the results, these are buyer customers who have referenced their results in kilowatt hours, real figures not announcements from sellers;).

from Hugg pigot ( http://scoraigwind.co.uk/?cat=9)

here are the results for example only

http://spreadsheets.google.com/pub?key= ... q-qAdpGMfw

ask google is your friends, Proven is very good very good, Eoltec is also very very good and very french all designed and made in France in the south , I don't touch anything or anything, it's just that when there is good stuff to manufacture with us we are the only one not to buy it even the American ones buy it for the high quality of product;).

and then for the case of weole actually mixing skystream and sirrocco it does not at all, more with vertical wind turbine arfff but good sometimes you have to sell well and then buyers of eoletec it will not be with the wind turbine that there will be problems unless the editor is not good, or or the adjustment of the control is badly done (mppt = adjustment of the thresholds of the controller), so if one of the stages is effectively swept away everything can be messy.

Telephone krugg SARL and request info;).

go see places with real wind turbines and discuss with their owner ( forum yahoo for example;))

Otherwise here are some pictures of the beast at woodstock 2;).

http://www.solacity.com/FarmShow.htm


http://www.eoltec.com/Fr/pictures_fr.htm
"6kW test machine in extreme conditions (Kirkwall - Orkney island - Scotland)

Average annual site wind: 11 m / s at 50m

Scirocco production in Orkney: 22.000 to 28.000 kw.h / year "what is marked as the result is true;) but orkney is the second most windy place in the world , this says it holds up with a production like that that is a proof of robustness right? you can check for yourself the veracity of the thing and compare with the results of your previous choices;).

Otherwise, as regards the non-stop of the wind turbine it depends on the regulation, on the proven ones it is a concept had of type "Stall" control, you noticed the kind of spring behind the blade;) well the more wind there is, the more the blades lie backwards and therefore reduce their lift diameter.

The eoltec are fail safe in parenthesis and uses a control by pitch, that is to say that there is a counterweight system, which will rotate the blade around its axis, thus creating an aerodynamic stall.

Which in both cases amounts to the same thing.

I tell you Proven it is very good too but to choose I become chauvinistic and not to take a risk by buying a wind turbine from a company across the Channel.
Then the big question that pauses is what world you want by making your choices (but this is another story;))

so otherwise the other big question apart from the wind turbine because both proven and eoltec are of good quality and reliable, you have to find the right editor who will normally offer you to do a wind study first of all . In Brittany you are more likely to have some regulated wind but it all depends on the configuration of the terrain, this says it's your money;), and I say that I don't say anything at the same time.

good and good good research, and do not be surprised if you find more results in English on eoltec I told you above it is not known here, areva yes by cons that ...

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