Danfoss VLT AFE 302 - Parameters: 7-** Controllers

5.5 Parameters: 7-** Controllers
5.5.1 7-6* DC-Link PI Ctrl.
7-60 DC-Link Total Capacity
Range: Function:
70560.0
u(=) F*
[0.0 -
1000000.0
uF]
Set the capacitance equal to 90% of the
capacitance of all the AFE and inverter
drives connected in the common DC bus.
Power size dependent.
FC 302
T7
Nameplate DC
capacitance
(mF)
90% DC
capacitance
(mF)
P17K 2.80 2.52
P45K 2.80 2.52
P55K 2.80 2.52
P75K 2.80 2.52
P90K 2.80 2.52
P110 2.80 2.52
P132 4.20 3.78
P160 5.60 5.04
P200 5.60 5.04
P250 7.00 6.30
P315 8.40 7.56
P355 11.20 10.08
P400 11.20 10.08
P500 11.20 10.08
P560 11.20 10.08
P630 22.40 20.16
P710 22.40 20.16
P800 22.40 20.16
P900 33.60 30.24
P1M0 33.60 30.24
P1M2 33.60 30.24
7-61 DC-Link Reference
Range: Function:
980 V* [] Set the voltage reference for the DC-Link voltage
controller.
Line voltage dependent.
7-62 DC-Link PI Proportional Gain
Range: Function:
67.214* [0.000 = Off -
1000.000 N/A]
Set the wanted proportional gain of
the DC-link voltage controller. Too
large value may lead to oscillations.
Power size dependent.
7-63 DC-Link PI Integral Time
Range: Function:
5.0 ms* [1.0 - 1.000.0 ms]
How to Programme
VLT
®
Active Front End AFE 302 Operating Instructions Liebherr
MG.33.X2.02 - VLT
®
is a registered Danfoss trademark 41
5 5