Firmware ≤ 05.00 - DMS 4.2 EN - 02/2010 L 153
8400 HighLine | Parameter setting & configuration
Motor control (MCTRL)
Servo control (SC)
5.7.3.1 Optimise current controller
An optimisation of the current controller is sensible since the two control parameters gain
(C00075
) and reset time (C00076) depend on the required maximum current and the set
switching frequency.
Gain and reset time can be calculated as per the following formulae:
Note!
An optimisation of the current controller should generally be carried out unless
a power-adapted standard motor is used or the motor has been selected from
the motor catalogue of the »Engineer«!
Parameter Info Lenze setting
Value Unit
C00075 Vp current controller 7.00 V/A
C00076
Ti current controller 10.61 ms
V
p
= Current controller gain (C00075)
T
n
= Current controller reset time (C00076)
L
ss
= Motor stator leakage inductance (C00085)
R
s
= Motor stator resistance (C00084)
T
E
= Equivalent time constant (= 500 μs)
V
P
L
SS
H[]
T
E
s[]
-----------------=
T
i
L
SS
H[]
R
S
Ω[]
-----------------=
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