10 current-limit controller, 10 current−limit controller, Function library – Lenze E82xVxxxKxxxxx User Manual
Page 327
Function library
Current−limit controller
l
327
EDS82EV903 EN 3.0
10.10
Current−limit controller
Description
For controlling high moments of inertia the current limiting controller (I
max
controller) can
be set.
Codes for parameter setting
Code
Possible settings
IMPORTANT
No.
Name
Lenze Selection
C0077
*
Gain of the
I
max
controller
0.25
0.00
= P component
inactive
{0.01}
16.00
^ 327
C0078
*
Reset time of
the I
max
controller
65
à
13
0
12
{1 ms}
9990
= I component
inactive
à
Only 8200 vector 15 ... 90 kW)
^ 327
Adjustment
The current limiting controller is factory−set so that the drive is stable.
Setting notes for power control
The current limiting controller must only be adapted in case of a power control with high
moments of inertia:
ƒ
V/f characteristic control (C0014 = 2 or 3)
ƒ
V
P
(C0077):
» 0.06
ƒ
T
i
(C0078):
» 750 ms
)
Note!
C0077 and C0078 are the same for all parameter sets.