On Sat, 09 Aug 2003 12:24:24 +0100, Adrian
wrote:

So the control gear is for speed regulation ..?
I've reserved the two books that you mentioned from the Library - thanks for
the 'lead'...

Try the "motors" section here
http://www.owwm.com/FAQ/Default.asp


A particularly useful explanation of single - three phase conversion,
for those with big machine tools to drive.