Optimisation Of V/F-Characteristic Control - Lenze 8200 series Operating Instructions Manual

5.4.1.2 Optimisation of V/f-characteristic control

Codes required
Code Name Possible settings
Lenze Selection
C015 V/f-rated
frequency
C016 V setting
min
C021 Slip
compensation
Setting sequence
1.If necessary, select V/f
characteristic (C014).
2.Select V/f-rated D The V/f-rated frequency determines the slope of the V/f characteristic and has
frequency (C015).
D An internal mains voltage compensation compensates deviations in the mains
Adjustment
Calculate the frequency to be set under C015
`MNRxeòz =
C014 = -2-
Linear characteristic
V o u t
1 0 0 %
V m i n
0
0
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50.0 30.0 {0.1Hz} 960.0
* 0 {1 %} 40
0 0 {1 %} 12
considerable influence on the current, torque and power performance of the motor.
during operation. They therefore do not have to be considered for the setting of
C015.
OPMs
⋅ ê~íÉÇ ãçíçê ÑêÉèìÉåÅó xeòz
s xsz
ê~íÉÇ ãçíçê
C014 = -3-
Square-law characteristic (e. g. for pumps, fans)
V o u t
1 0 0 %
V m i n
0
f d
1 0
f d N
Commissioning
IMPORTANT
Info
* type dependent
f d
1
f d N
hPRKMMSR
UOMu_^MVMO
5-13