Rockwell Automation 7000 PowerFlex Medium Voltage AC Drive (B Frame) - ForGe Control (PanelView 550) - Manual (Page 259)

Rockwell Automation Publication 7000-UM151E-EN-P - January 2013 259
General Reference Appendix A
Table 13 - Typical Application Load Torque Profiles
Application
Load
Torque
Profile
Load Torque as Percent of Full-Load Drive
Torque Required
Drive Service
Duty Rating
Tachometer
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
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
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
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
PUMPS
Centrifugal,
discharge open
VT 40 100 100 Normal No