DOCR-070645-E
Page 73 of 102
OvrVoltFilterT(s)
Recovery time of grid over voltage
derating
{1,60,90}
Grid Over Frequency Derating
Parameter name
Description
Setup range (lower limit,
default & upper limit)
OvrFrqMin(Hz)
Min Threshold value of grid over
Frequencyderatingstarted
{60,60.2,72}
OvrFrqMax(Hz)
Max Threshold value of grid over
Frequencyderating over
{60,61.4,72}
OvrFrqSlop
Slop of grid over
Frequencyderating
{0,0.16%,1}
RecoveryFrq(Hz)
Recovery value of grid over
Frequencyderating
{58.8,60,66}
OvrFrqRecoveryT(s)
Recoverytime of grid over
Frequencyderating
{0,60,655}
4.4.2.6 Reactive Derating Setting
“Reactive Power Derating Parameters” menu is to set the Grid reactive power
derating parameters including PF parameters and Q parameters, etc. The parameters
are shown in Table 4.6
NOTE
: The PF and Q value can be adjusted by remote software if “Remote” is
selected. Remote can be selected thru the Modbus map and the appropriate
register.
PF vs Voltage
pFCurveP1
pFSetValue
P1/4
pFCurvepF1
100.0%
1.000
50.0%
1.000
pFCurvepF2
pFCurveP2
pFCurveTriVolt
pFCurveUndoVolt
-0.900
100.00%
90.00%
QuCurveQ2i
P3/4
5.0%
20.0%
50.0%
QuCurveTriPower
QuCurveUndoPower
Reactive Power vs Grid Voltage
Grid Reactive Power Derating
P4/4
CtrMode
0
Percentage
0.0%
Reactive Power vs Grid Voltage
QuCurveQ1
QuCurveU1
P2/4
-50.0%
110.00%
0.0%
107.99%
92.01%
0.0%
90.00%
QuCurveU2
QuCurveQ2
QuCurveU1i
QuCurveQ1i
QuCurveU2i
LVRT/HVRT Setup
Setting
P1/2
System Parameters
Protection Parameters
Power Derating Setup
Reactive Power Derating Setup
ARC Parameters
Control Command
Figure 4-15 Reactive Power Derating