Re: Wbo
- From: Steve O'Hara-Smith <steveo@xxxxxxxxxx>
- Date: Mon, 4 Aug 2008 10:24:00 +0100
On Sun, 03 Aug 2008 21:31:40 +0100
Austin Shackles <austinDITCHTHISFORBETTERRESULTS@xxxxxxxxxxxx> wrote:
as for storing power... it's hard to store AC. You need DC generators,
batteries and inverters, and all of that hurts your efficiency.
Diodes work pretty well for converting three phase AC from a
windmill alternator into DC for storage in batteries or driving a grid tie
inverter. The real promble is that flatteries that can take the punishment
are zbarlous, bulky and heavy - they can easily cost more than the wind
turbine including the tower and installation. The pesky things also need
replacing from time to time.
On a large scale the best approach is probably to dump the power
from the wind turbines directly into the grid, if it's less than the grid
load then make up the difference with hydro, gas, coal, oil, nuke whatever
if it's more[1] then use the excess to power pumped hydro storage.
[1] I have serious doubts about there ever being more wind power generated
than grid load.
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