6 v/ f characteristic, 1 v/ f-rated frequency fdr, V/f characteristic – Lenze 8200 Frequency inverters User Manual
Page 159: V/f-rated frequency fdr, Configuration
Configuration
8200SHB0199
7-22
7.5.6
V/f characteristic
7.5.6.1
V/f-rated frequency f
dr
Code
Name
Possible settings
IMPORTANT
Lenze
Choice
Info
C015 V/f-rated frequency
C015
820X
50.00
30.00
{0.05 Hz}
960.00
821X/822X/
824X
50.00
7.50
{0.02 Hz}
960.00
Function when
C014 = -0-, -1-, -2-, -3-
The V/f-rated frequency determines the slope of the V/f characteristic and has considerable
influence on the current, torque and power performance of the motor.
Adjustment
Calculate the frequency to be set under C015
820X:
C015 [Hz]
230 V
V
rmotor
[V]
ô rated motor frequency [Hz]
821X/822X/824X:
C015 [Hz]
400 V
V
rmotor
[V]
ô rated motor frequency [Hz]
C014 = -2-
Linear characteristic
C014 = -3-
Square characteristic
(e.g. for pumps, fans)
o u t
r m o t o r
V
V
1
V
m i n
0
0
1
C 0 1 5
f
d r m o t o r
o u t
r m o t o r
V
V
V
m i n
0
0
1
C 0 1 5
f
d r m o t o r
K 3 5 . 0 0 6 6 G B
Important
An internal mains voltage compensation compensates deviation in the mains during operation.
Therefore, they do not have to be considered for the setting of C015.
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