Huawei SUN2000-111KTL-NHM0 User Manual page 94

SUN2000-111KTL-NHM0
User Manual
Figure 7-11 Protection parameters (special user)
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Parameters
No. Parameter
1 Voltage unbalance protection
threshold (%)
2 Phase angle offset protection
3 10-min overvoltage protection
threshold (V)
4 10-min overvoltage protection
duration (ms)
5 Level-N overvoltage protection
threshold (V)
6 Level-N overvoltage protection
duration (ms)
7 Level-N undervoltage
protection threshold (V)
8 Level-N undervoltage
protection duration (ms)
9 Level-N overfrequency
protection threshold (Hz)
Issue 09 (2023-12-18)
Description
Specifies the inverter protection threshold when the
power grid voltage is unbalanced.
The standards of certain countries and regions require
that the inverter needs to be protected when the
phase angle offset of the power grid three phases
exceeds a certain value.
Specifies the 10-minute overvoltage protection
threshold.
Specifies the 10-minute overvoltage protection
duration.
Specifies the level-N grid overvoltage protection
threshold.
Specifies the level-N grid overvoltage protection
duration.
Specifies the level-N grid undervoltage protection
threshold.
Specifies the level-N grid undervoltage protection
duration.
Specifies the level-N grid overfrequency protection
threshold.
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