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Lenze · 8400 HighLine · Reference manual · DMS 12.0 EN · 06/2017 · TD23
153
5
Motor control (MCTRL)
5.2
Selecting the control mode
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5.2.1
Selection help
To ease the selection of the motor control mode, the two following tables contain
recommendations and alternatives to standard applications.
[5-1]
Standard applications without speed feedback
[5-2]
Standard applications with speed feedback
Application
recommended
Alternatively
Single drives
With constant load
VFCplus: V/f linear
SLVC or SLPSM
With extremely alternating loads
VFCplus: V/f linear
SLVC
With high starting duty
SLVC
VFCplus: V/f linear
Torque limitation
SLVC
SLPSM
With torque limitation (power control)
VFCplus: V/f linear
SLPSM
Three-phase reluctance motor
VFCplus: V/f linear
-
Three-phase sliding rotor motor
VFCplus: V/f linear
-
Three-phase AC motors with permanently assigned
frequency/voltage characteristic
VFCplus: V/f linear
-
Pump and fan drives with quadratic load characteristic
VFCplus: U/f square-law
From version 10.00.00
onwards:
VFCplusEco
SLVC or SLPSM
Simple hoists
VFCplus: V/f linear
-
Group drives
(several motors connected to inverter)
Identical motors and loads
VFCplus: V/f linear
-
Different motors and/or alternating loads
VFCplus: V/f linear
-
Application
recommended
Alternatively
Single drives
With constant load
SC
VFCplus / SLVC
With extremely alternating loads
SC
VFCplus / SLVC
With high starting duty
SC
VFCplus / SLVC
With speed control (speed feedback)
SC
VFCplus
With high dynamic performance e.g. for positioning and
infeed drives
SC
-
Torque limitation
SC
SLVC
With torque limitation (power control)
-
-
Winder with dancer position control
SC
VFCplus
Unwinder with dancer position control
SC
VFCplus
Three-phase reluctance motor
-
-
Three-phase sliding rotor motor
-
-
Three-phase AC motors with permanently assigned
frequency/voltage characteristic
-
-
Pump and fan drives with quadratic load characteristic
-
-
Simple hoists
VFCplus: V/f linear
-
Group drives
(several motors connected to inverter)
Identical motors and loads
VFCplus
-
Different motors and/or alternating loads
-
VFCplus