Screw compressor load type, Torque-Speed curve

Dependance between the torque and speed in screw compressor is constant in general. Exact shape of torque-speed curve can vary by screw compressor type and manufacturer.
Starting torque in screw compressor is very often achieves rated torque, therefore selection of the drive must be done in the same way as for constant torque applications.

For more detail about compressor torque-speed curve contact your compressor manufacturer.
ATV900 or ATV71 series.

Udgivet til:Schneider Electric Danmark