Home Wind Power - Page 2

 



How small is a small turbine.....seen some used turbines on powerplants
online.
But a small turbine for a utility company is 80KW.
Big is in MW's.

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Seve Si wrote:

Hi Simon,

There are some good starting links here:
http://www.builditsolar.com/Projects/Wind/wind.htm
The Paul Gipe book is very good.

You have the right idea in wanting to determine how much wind you have before
spending a lot of time and money.
A lot of people build or buy a small wind turbine and run it for a few months
(or more) just to find out if they have enough wind to be worth doing a larger
project.  This way, if it turns out you don't have enough wind, you can just
sell the small turbine and not be out much.

www.Otherpower.com has a very active wind power set of forums you might want to
take a look at.

Gary
www.BuildItSolar.com




--


Gary

www.BuildItSolar.com
gary@BuildItSolar.com
"Build It Yourself" Solar Projects










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Get the book "Windpower Workshop" by Hugh Piggott

The monthly Homepower Magazine covers everything for off-grid living.

both have websites.

 

Hi Simon,

Follow the advice given and don't attach a small turbine to your house...bad
idea. If you want to spend as little as possible for a domestic turbine,
goto www.futurenergy.co.uk and ask them for a 1KW Upwind Turbine, not the
Downwind one on their site. The Upwind one is also on eBay. This will
produce 1000W in 12.5m/s winds, but you'll rarely get winds of that speed,
so you'll probably get a couple of hundred watts in the winds you'd expect
to see around the UK.

If you're OK at DIY then these are easy turbines to install, and the output
should be connected to a SunnyBoy 1100LV Grid-Tie inverter, set to Turbine
Mode, which can also be supplied by futurenergy. You utility company
probably won't bother to provide you with an export meter, but these are £80
if you can get an electrician to install one for you.

These turbines will save you around 20% of your annual bills, which means
that it will take a while to repay itself (many years). But it's your doing
your bit for the environment that's the real benefit for these systems.

I know the above, since I have one of their turbines up, and it's grid-tied,
so I've lived with the setup, unlike most people who offer advice in any
groups...

Hope this helps
Innovate 808

 

First, you build a wind system with excess capacity, paying a lot of
extra upfront costs.

Then, you buy enough excess land to hold two large ponds (or use land you
lready own, which amounts to the same thing).

Then you construct two large ponds.  This means that you need land with
proper soil types, or more likely, that you haul in bentonite to line the
two ponds.

Then you dig a well to get the water.

Then you build the pumping system and trashracks and filtration systems.

Then you build the intake structures and the penstock to supply your
turbine.

Then you install a turbine/generator set, duplicating the generation
capacity that you already installed for wind.  Remember - you need two
duplicate generation systems.

Then you pay your debt service for the life of the loan, (or you have
opportunity costs, which amount to the same thing).

Before you do any of that, you get proper permits from the wetlands and
wildlife folks.


If this nets a good price per kWh, I would be surprised.

If some folks from alt.energy.homepower could chime in on the economics of
home-scale pumped storage as a means of economicaly storing wind power, it
would be appreciated.

Is pumped storage for home use a good alternative to battery banks?

--
The whole problem with the world is that fools and fanatics are always so
certain of themselves, but wiser people so full of doubts.
    -- Bertrand Russel