About AC Motors Problems with motors – Running
"As Motor Loads often vary, many of your motors Run at less than 50% of their capacity Motors are not 'Intelligent'.
In off-load parts of their duty cycle, they consume Much more electricity than they actually need. This excess consumption adds unnecessary Costs on your energy bill.
This excess energy is released through the windings of the motor in the form of heat, vibration and noise and causes wear and tear on your motors."