Rockwell Automation 7000 PowerFlex Medium Voltage AC Drive (B Frame) Commissioning - ForGe Control - Manual (Page 127)

Rockwell Automation Publication 7000-IN012B-EN-P - June 2014 127
General Reference Appendix A
Table 14 - Typical Application Load Torque Profiles
(1)
Application Load Torque
Profile Load Torque as Percent of Full-Load Drive Torque Required Drive
Service Duty Rating Encoder Required for
Extra Starting
Torque?
Break-away Accelerating Peak Running
AGITATORS
Liquid CT 100 100 100 Heavy Yes
Slurry CT 150 100 100 Heavy Yes
BLOWERS (centrifugal)
Damper closed VT 30 50 40 Normal No
Damper opened VT 40 110 100 Normal No
CHIPPER (WOOD)—
starting empty CT 50 40 200 Contact factory No
COMPRESSORS
Axial-vane, loaded VT 40 100 100 Normal No
Reciprocating, starting
unloaded CT 100 100 100 Contact factory Yes
CONVEYORS
Armored face CT 175 150 200 Contact factory Yes
Belt type, loaded CT 150 130 100 Heavy Yes
Drag type CT 175 150 100 Contact factory Yes
Screw type, loaded CT 200 100 100 Contact factory Yes
DRAG LINE CT 100 200 200 Contact factory Yes
EXTRUDERS
(rubber or plastic) CT 150 150 100 Contact factory Yes
FANS (centrifugal, ambient)
Damper closed VT 25 60 50 Normal No
Damper open VT 25 110 100 Normal No
FANS (centrifugal, hot gases)
Damper closed VT 25 60 100 Normal No
Damper open VT 25 200 175 Contact factory No
FANS (propeller, axial
flow) VT 40 110 100 Normal No
GRINDING MILL
(Ball/Sag Mill) CT 175 180 100 Contact factory Yes
HOISTS CT 100 200 200 Contact factory Yes
KILNS (rotary, loaded) CT 250 125 125 Contact factory Yes
MIXERS
Chemical CT 175 75 100 Contact factory Yes
Liquid CT 100 100 100 Heavy Yes
Slurry CT 150 125 100 Heavy Yes
Solids CT 175 125 175 Contact factory Yes
PULPER VT 40 100 150 Contact factory No