[ausev] AusEV Digest, Vol 37, Issue 8

[Gil Dawson]

On Feb 10, 2009, at 8:24 A, Brian Lasseter wrote:
> at that motor's most efficient speed.

Keep in mind that the speed might vary depending upon demand.  In my  
S-10E, for example, the compressor motor is synchronous and driven by  
a variable-frequency power oscillator.  Rather than turn the  
compressor on and off with a thermostat to keep the temperature  
constant, the speed of the compressor is varied with the input of a  
thermocouple to keep the temperature constant.