1 selection help, Selection help, 5motor control (mctrl) – Lenze 8400 BaseLine D User Manual

Page 76

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5

Motor control (MCTRL)

5.2

Selecting the control mode

76

Lenze · 8400 BaseLine D · Reference manual · DMS 5.5 EN · 01/2014 · TD05

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5.2.1

Selection help

To ease the selection of the motor control mode, the two following tables contain recommendati-

ons and alternatives to standard applications.

[5-1]

Standard applications without speed feedback

Application

Recommended

Alternatively

Single drives
With constant load

VFCplus: V/f linear

SLVC

With extremely alternating loads

VFCplus: V/f linear

SLVC

With high starting duty

SLVC

VFCplus: V/f linear

Torque limitation

SLVC

-

With torque limitation (power control)

VFCplus: V/f linear

SLVC

Three-phase reluctance motor

VFCplus: V/f linear

-

Three-phase sliding rotor motor

VFCplus: V/f linear

-

Three-phase AC motors with permanently assigned frequen-

cy/voltage characteristic

VFCplus: V/f linear

-

Pump and fan drives with quadratic load characteristic

VFCplus: V/f quadratic

VFCplus or SLVC

Simple hoists

VFCplus: V/f linear

-

Group drives (several motors connected to controller)
Identical motors and loads

VFCplus: V/f linear

-

Different motors and/or alternating loads

VFCplus: V/f linear

-

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