Parameter Description
Grid reconnection voltage upper
limit (V)
The standards of certain countries and regions require that
after the inverter shuts down for protection due to a fault, if
the power grid voltage is higher than Grid reconnection
voltage upper limit, the inverter is not allowed to reconnect
to the grid.
Grid reconnection voltage lower
limit (V)
The standards of certain countries and regions require that
after the inverter shuts down for protection due to a fault, if
the power grid voltage is lower than Grid reconnection
voltage lower limit, the inverter is not allowed to reconnect
to the grid.
Grid reconnection frequency
upper limit (Hz)
The standards of certain countries and regions require that
after the inverter shuts down for protection due to a fault, if
the power grid frequency is higher than Grid reconnection
frequency upper limit, the inverter is not allowed to
reconnect to the grid.
Grid reconnection frequency
lower limit (Hz)
The standards of certain countries and regions require that
after the inverter shuts down for protection due to a fault, if
the power grid frequency is lower than Grid reconnection
frequency lower limit, the inverter is not allowed to
reconnect to the grid.
Reactive power compensation
(cosφ-P) trigger voltage (%)
Species the voltage threshold for triggering reactive power
compensation based on the cosφ-P curve.
Reactive power compensation
(cosφ-P) exit voltage (%)
Species the voltage threshold for exiting reactive power
compensation based on the cosφ-P curve.
----End
7.1.5.2 Setting Protection Parameters
Procedure
Step 1 Choose Function Menu > Settings > Protection Parameters and set protection
parameters.
SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series
User Manual 7 Man-Machine Interactions
Issue 11 (2021-11-10) Copyright © Huawei Technologies Co., Ltd. 89
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