--- peter green <plugwash@P10Link.net> wrote:
> > Australia. So how to they synchronise the turbines' output to the requi=
red
> > frequency and phase? Just curious.
> given the power big wind turbines put out i doubt they are feeding in at
> only 415V but that doesn't really affect the issue at hand.
> =

> from what i've seen there are two ways to do this, one is to make the wind
> farm output DC and then invert it electroncially to feed the grid, the ot=
her
> is to use a special generator design (iirc it has field coils energised f=
rom
> a variable frequency inverter with the power drawn out through the rotor =
or
> something like that, i don't remember the details).
> =

> i belive small wind turbines that you can easilly purchase and install
> yourself tend to be DC output.

They're claiming 2MW per turbine so not exactly small scale. Not sure any
inverter could handle power output at that level? -->
http://www.wind-power.com.au/projects/wonthaggi/wonthaggi_01.asp
The wind farm has a capacity of 12MW with each turbine able to produce 2 MW=
 of
renewable electricity.

Sounds like synchronisation would be quite tricky?
Debbie


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