"Doctor Drivel" wrote in message
eenews.net...

"Set Square" wrote in message
...
In an earlier contribution to this discussion,
Doctor Drivel wrote:



snip

Which is power.

The only power

Power again.

used to do the conversion is that due to the *inefficiency*
of the process - so if a boiler is (say) 90% efficient,
10% of the energy in the fuel ends up heating the
neighbourhood or whatever rather than your
house!


I'm afraid Set Square's description was entirely correct except that in his
last paragraph he said "The only power used..." when he meant "The only
energy used..." (which was about the only thing you didn't query). In a
previous post you claimed the power station "burned energy to make power".
One can neither "burn energy" (only convert it from one form to another) nor
"make power" (as it's a rate, ie so much of something per second). One can
convert energy at a certain rate (which is power). In a 100% efficient
boiler (using the commonly accepted definition rather than the
manufacturer's one) all the converted energy gets out into the water by
heating it up. Some energy is lost to the atmosphere however and the rate at
which it is lost compared with the rate it gets into the water gives one the
inefficiency. The use of the terms "power station" and "power supply" are
rather looser terms generated by the need to satisfy consmer "power
requirements" (ie the rate at which they wish to use energy).


--
Bob Mannix
(anti-spam is as easy as 1-2-3 - not)