WEG CFW-09 User Manual page 134

[Factory Setting]
Parameter
Range
Unit Description / Notes
Figure 6.13 - Deceleration curve with DC Link voltage limitation (regulation)
NOTES!
DC Link
Voltage (Ud)
Figure 6.14 - Voltage regulation block diagram of the DC Link
NOTE!
For large motors it's recommended the use of the ramp holding
function.
CHAPTER 6 - DETAILED PARAMETER DESCRIPTION
DC Link Voltage (Ud) (P004)
P151
Nominal
Speed
The factory setting is at maximum (Link regulation is
deactivated). To activate this regulation, we recommend to set
P151 according table 6.8.
If even after this setting the inverter is still disabled due to
overvoltage (E01) during the load acceleration, increase the value
of the Parameter P152 gradually, or increase the deceleration
ramp time (P101 and/or P103). The inverter will not decelerate,
if the supply line is permanently under overvoltage Ud > P151).
In this case reduce the line voltage or increment P151.
P152
P151
E01 - Overvoltage Level
Regulation Level
Time
Time
Speed
Speed Ramp
Output
135