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ELEVATOR LIFTS


ELEVATOR LIFTS
The CVET (Continuously Variable Electronic Transmission) is a transmission that enables a motor to always operate at a constant speed and at the motor’s peak efficiency, while providing controlled output speed and torque conversion. Conversion of constant motor speed to variable output speed and torque is accomplished electronically. Therefore all efficiency benefits are fully captured in energy savings.

The CVET is extremely well suited for elevator applications where either geared or gearless machines are used, providing the best of both worlds. The CVET enables the high torque and quick acceleration required for geared application, while at the same time enabling use of high maximum travel speeds as typically provided by gearless machines. As the graph below shows, by providing the most torque at the lowest speeds, the CVET enables use of a smaller motor than would otherwise be used.

Furthermore, when less torque is required during high speed travel, the CVET enables the high motor speed to be passed through to the sheave, ensuring the peak maximum speeds delivered by gearless systems.