Power Efficiency Corporation develops and markets advanced energy saving technologies for electric motors. The Company’s first product, a motor efficiency controller, reduces the amount of energy used by electric motors in applications such as many escalators, elevators, grinders, granulators, crushers, mixers, saws, and stamping presses. Branded as “E-Save Technology™”, Power Efficiency’s core patented energy saving technology allocates power in direct proportion to the motor's required workload, eliminating wasted electricity. It also reduces the operating heat of the motor, producing significant motor life extension and downtime reduction benefits. Power Efficiency’s products are UL listed and CE and CSA certified.

How E-Save Technology™ Works

Power Efficiency's motor efficiency controller with E-Save Technology™ inside, senses the workload (change in phase lag of current and voltage) of AC induction motors.

When the actual workload of a motor is lower than its rating, the sensing circuits reduce the energy (voltage and current) being fed to the motor to the precise level the motor needs. This reduces motor energy consumption.

When the power factor increases with additional load, energy being fed to the motor increases instantly. As a result, the motor maintains its rated speed and torque under variable loads.

The motor efficiency controller enables AC induction motors serving constant speed/variable load applications to operate at peak efficiency at all times. Savings on energy costs are typically 20-40% because most motors work well below rated levels much of the time.

MOTOR TEMPERATURES
Motor life expectancy is directly dependent on operating temperature. Every 10°C rise in operating temperature reduces motor winding insulation life by one-half. Higher operating temperatures reduce bearing life as well, which can considerably shorten motor life expectancy.