Debbie wrote: > --- peter green 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 wi= nd >> farm output DC and then invert it electroncially to feed the grid, the o= ther >> is to use a special generator design (iirc it has field coils energised = from >> 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 > > > = > > = > = > ____________________________________________________ = > On Yahoo!7 = > Messenger - IM with Windows Live=99 Messenger friends. = > http://au.messenger.yahoo.com = > > = How about 60 megaWatts! http://www.res-ltd.com/wind-farms/wf-ainsworth.htm Jim -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist