types of wind turbine

And??? What is your point?

BTW wind turbines do not generate kinetic energy, they transform kinetic energy of the air to rotation, and then to electricity.... a matter of semantics I suppose...

Are you sure about the efficiency? the vertical turbines are typically much less efficient than the Horiz axes, due to the drag effect.

And typically the energy available in the HAWT as far as I know has not crossed 60% even at the optimum wind speed.

The question is the amount of power being produced by those turbines at the normal breeze. The wind being free none will bother about the converson efficiency. So at the typical breeze condition at what cost the wind turbine will give me how much power?

As several mentioned on CR4 it is wrong to say

"the faster they go, the more energy is collected."

There is an optimal ration blade speed to wind speed since when the blade does not move the wind force is maximal but power is nil and when the blade has same speed as the wind the wind force on the blade i zero and the power being the product will as well be nil.

The efficiency is much lower than the value you mention if you define as efficiency the ratio turbine power/ power in the wind flow.

The VATW has the disadvantage that ONLY a quarter of the rotor is "active" and this not with a constant effect on the 90° and 270° are dissipating power to fight either only friction or even the wind. Under such circumstances an efficiency as you mention is totally un-probable. Some turbines with a periodic blade angle adjustment reduce the losses but not totally.

vertical wind turbine is that the horizontal wind turbine have a tail rudder that always moves to face the turbine into the wind. Depending on how the wind is blowing, this can be distracting or downright annoying.

Vertical axis wind turbines are stationary and can be anchored with guy wires. As for which type of turbine captures the wind better, there is debate there as well. Horizontal turbines will get wind at ground level, where the vertical turbines miss it, yet vertical wind turbines capture wind that is higher up in the air.

An example of this would be stepping out on your porch on a day where the wind doesn't seem to be blowing. If you look at the trees, then you can see the branches at the top swaying in the breeze. If you notice that this is the direction of the wind, then you'll likely want to invest in a vertical axis wind turbine.

Hi everybody!
My name is Julia and I am interested in buying a small wind turbine in the UK. That is the reason why I am writting here, because I want to communicate with people who have one at home. By this way, I could know more about their experience and have some interesting advices.
If someone is interested on help...ing me I will be very grateful, because is a important investment for me. I will be contactable here in facebook or in my email juliasmith124@gmail.com
Thank you.
Julia.

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