PROGRAMMING
GUIDE
SOLARDRIVE
PLUS
85
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107
Figure 12: Working point based on DC power
2.6.11.2. List of Parameters P810 to P824
Parameter
Function
User Level
Default Value
MODBUS
Address
P810
Minimum MPPT Voltage
ENGINEERING
550.0 V
636
P811
Maximum MPPT Voltage
ENGINEERING
900.0 V
637
P812
MPPT Execution Period
ENGINEERING
10.00 s
638
P813
Load Curve Exponent
ENGINEERING
3.00
737
P814
Voltage Regulator Integral Gain
ENGINEERING
1.60
722
P815
Voltage Regulator Proportional Gain
ENGINEERING
0.20
723
P816
Time Constant Vdc Filter
ENGINEERING
200 ms
724
P817
MPPT Manual Voltage Reference
ENGINEERING
700.0 V
732
P818
MPPT in Manual Mode
ENGINEERING
0: No
733
P819
Maximum Delta V MPPT
ENGINEERING
4.0 V
734
P820
Minimum Delta V MPPT
ENGINEERING
1.0 V
742
P821
Time Constant Electric Power Filter
ENGINEERING
500 ms
743
P822
MPPT Start Voltage Gain
ENGINEERING
90 %
744
P823
Undervoltage Dynamic Limitation
– Delta V
ENGINEERING
30 V
640
P824
Undervoltage Dynamic Limitation
– Delta
Freq
ENGINEERING
2.00 %
641
P825
Undervoltage Protection
ENGINEERING
2: Disabled and
Smart MPPT
639
P810
Minimum MPPT Voltage
Range
5500
9000
550.0÷900.0 V
Default
5500
550.0 V
Level
ENGINEERING
Address
636
Function
Minimum output value of the MPPT algorithm. The DC voltage value forced to the PV field is limited to
this value.
The maximum value that can be set is limited by the value set in
P811
.