The reactive power is set as a function of the grid voltage. The reactive power setpoint is adjusted in stages.
Figure 77: Characteristic curve for reducing reactive power as a function of the grid voltage
If the grid voltage is changed by the configurable voltage difference Q-VDif for the configurable duration of Q-
VDifTm, the reactive power setpoint will be adjusted by the value Q‑VArGra. The parameterization of this function
refers to the medium voltage.
13.3.4.7 Measures for Voltage Support through Parameterization of Reactive Power/
Voltage Characteristic Curve: VArCtlVolHystDb Mode
Consultation prior to parameter change
The parameters of this mode can only be selected or changed after consultation (see Section17 "Contact", page256
).
13 Function Description
SMA Solar Technology AG
System ManualMVPS22JP-SH-en-11202
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