102
The reactive power output of the inverter varies in response to the grid voltage.
table 7-9 "Q(U)" Mode Parameter Explanation
Parameter
Explanation Range
Q(U) curve
Select corresponding curve according to local
regulations
A, B, C
*
Hysteresis
Ratio
Voltage hysteresis ratio on the Q(U) mode curve
0.0 %–5.0 %
QU_V1
Grid voltage limit at point P1 on the Q(U) mode curve
(in %)
80.0 %–100.0 %
QU_V2
Grid voltage limit at point P2 on the Q(U) mode curve
(in %)
80.0 %–100.0 %
QU_V3
Grid voltage limit at point P3 on the Q(U) mode curve
(in %)
100.0 %–120.0
%
QU_V4
Grid voltage limit at point P4 on the Q(U) mode curve
(in %)
100.0 %–120.0
%
QU_Q1
Value of Q/Sn at point P1 on the Q(U) mode curve (in
%)
-60.0 % to 0.0 %
QU_Q2
Value of Q/Sn at point P2 on the Q(U) mode curve (in
%)
-60.0 % to 60.0
%
QU_Q3
Value of Q/Sn at point P3 on the Q(U) mode curve (in
%)
-60.0 % to 60 %
QU_Q4
Value of Q/Sn at point P4 on the Q(U) mode curve (in
%)
0.0 % to 60.0 %
QU_
EnterPower
Active power for Q(U) function activation (in %)
20.0 %–100.0 %
QU_
ExitPower
Active power for Q(U) function deactivation (in %)
1.0 %–20.0 %
QU_
EnableMode
Unconditional activation/deactivation of Q(U) function
Yes, No, Yes
(Limited by PF)
QU_Limited
PF Value
Preset PF value 0–1.00
* Curve C is reserved and consistent with Curve A currently.
7 iSolarCloud App User Manual
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