CHAPTER 7 - PROGRAMMING INFORMATION AND SUGGESTIONS
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Table 7.1 - Typical characteristics of staring torque curves of some load types with suggested types of control
LoadType Type of Control LoadType Type of Control
Alternative Pumps
3 Point Torque Control
Screw Compressors
3 Point Torque Control
CurrentLimit+K.Starter
Conveyor Belt
3 Point Torque Control
CurrentLimit+K.Starter
Axial Fans
CurrentLimit
Current Ramp
2 Point Torque Control
3 Point Torque Control
Extruders
Vertical Sand Mills
Wood Peeler
3 Point Torque Control
CurrentLimit+K.Starter
Centrifugal Fans
Exhaust
CurrentLimit
Current Ramp
Piston Vacuum Pump
Piston Compressors
Constant Torque Control
Centrifugal Pumps
Vane Vacuum Pump
Pump Control
2 Point Torque Control
3 Point Torque Control
Crushers
Wood Peeler
CurrentLimit
Current Ramp
Submersible Centrifugal Pumps
3 Point Torque Control
Centrifuges
Hammer Mills
CurrentLimit
2 Point Torque Control
Ball Mill – Ceramics
Current Ramp + K.Starter
CurrentLimit+K.Starter
Barley – Starch Processing
Wood Chipper
CurrentLimit
Current Ramp
Mixers
Current Ramp + K.Starter
CurrentLimit+K.Starter
CelluloseReners
Voltage Ramp