Congure the characteristic curve under instructions from professionals to ensure
that the inverter or Smart PCS works properly.
In the control mode of the Q-P characteristic curve, the inverter or Smart PCS
adjusts Q/Pn (the ratio of the output reactive power to the rated power) based on
P/Pn (the ratio of the current active power to the rated power).
Parameter Description
Reactive power control
mode
Set this parameter to Q-P characteristic curve.
Reactive power
adjustment time
Species the change interval of the reactive power at
the grid-connection point.
Characteristic curve
points
● Species the number of points on the characteristic
curve.
● The characteristic curve supports a maximum of 10
valid points.
P/Pn When conguring the curve, ensure that the P/Pn
value of a point is greater than that of the previous
point. Otherwise, the "Invalid input" message will be
displayed.
Q/Pn
6.7.4 Setting Parameters For Shutdown at High Feed-in Power
This section applies to V300R001C00 only.
The power grid company requires plants to limit or reduce the output power of a
PV system when it is too high. If the output power cannot be limited to the range
within the specied time, all inverters must be shut down.
Step 1 Set parameters for shutdown at high feed-in power and click Submit.
Figure 6-73 Shutdown at high feed-in power
----End
SmartLogger3000
User Manual 6 WebUI Operations
Issue 10 (2022-08-20) Copyright © Huawei Technologies Co., Ltd. 219
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