Setting Protection Parameters - Huawei SUN2000-75KTL Series User Manual

SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series
User Manual
Parameter
Grid reconnection voltage upper
limit (V)
Grid reconnection voltage lower
limit (V)
Grid reconnection frequency
upper limit (Hz)
Grid reconnection frequency
lower limit (Hz)
Reactive power compensation
(cosφ-P) trigger voltage (%)
Reactive power compensation
(cosφ-P) exit voltage (%)
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7.1.5.2 Setting Protection Parameters

Procedure
Step 1 Choose Settings > Protection Parameters and set protection parameters.
Issue 15 (2023-01-31)
Description
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.
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.
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.
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.
Specifies the voltage threshold for triggering reactive power
compensation based on the cosφ-P curve.
Specifies the voltage threshold for exiting reactive power
compensation based on the cosφ-P curve.
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