Rockwell Automation 7000L PowerFlex Medium Voltage AC Drive (C Frame) - Classic Control User Manual

Page 544

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A-8

Catalog Number Explanation – Drive Selection

7000L-UM300I-EN-P – June 2013

7000 “C” Frame

Table A-6

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 Open

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, start unloaded

VT

100

50

100

Normal

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

Oil field Flywheel

CT

150

200

200

Contact Factory

Yes

Propeller

VT

40

100

100

Normal

No

Fan Pump

VT

40

100

100

Normal

No

Reciprocating / Positive
Displacement

CT

175

30

175

Contact Factory

Yes

Screw type, started dry

VT

75

30

100

Normal

No

Screw type, primed, discharge
open

CT

150

100

100

Heavy

Yes

Slurry handling, discharge open

CT

150

100

100

Heavy

Yes

Turbine, Centrifugal, deep-well

VT

50

100

100

Normal

No

Vane-type, positive displacement

CT

150

150

175

Contact Factory

Yes

Separators, air ( fan type )

VT

40

100

100

Normal

No

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