Parameter Description
Phase angle oset protection The standards of certain countries and regions require that the
inverter needs to be protected when the phase angle oset of the
power grid three phases exceeds a certain value.
10-min overvoltage
protection threshold (V)
Species the 10-minute overvoltage protection threshold.
10-min overvoltage
protection duration (ms)
Species the 10-minute overvoltage protection duration.
Level-N overvoltage
protection threshold (V)
Species the level-N grid overvoltage protection threshold.
NOTE
● N can be 1, 2, 3, or 4.
● When HVRT is set to Enable and Level-1 overvoltage protection
threshold is higher than Threshold for triggering HVRT, if the grid
voltage is between Threshold for triggering HVRT and Level-1
overvoltage protection threshold, the SUN2000 could start and shut
down repeatedly.
Level-N overvoltage
protection duration (ms)
Species the level-N grid overvoltage protection duration.
NOTE
N can be 1, 2, 3, or 4.
Level-N undervoltage
protection threshold (V)
Species the level-N grid undervoltage protection threshold.
NOTE
● N can be 1, 2, 3, or 4.
● When LVRT is set to Enable and Level-1 undervoltage protection
threshold is lower than Threshold for triggering LVRT, if the grid
voltage is between Level-1 undervoltage protection threshold and
Threshold for triggering LVRT, the SUN2000 could start and shut
down repeatedly.
Level-N undervoltage
protection duration (ms)
Species the level-N grid undervoltage protection duration.
NOTE
N can be 1, 2, 3, or 4.
Level-N overfrequency
protection threshold (Hz)
Species the level-N grid overfrequency protection threshold.
NOTE
N can be 1 or 2.
Level-N overfrequency
protection duration (ms)
Species the level-N grid overfrequency protection duration.
NOTE
N can be 1 or 2.
Level-N underfrequency
protection threshold (Hz)
Species the level-N grid underfrequency protection threshold.
NOTE
N can be 1 or 2.
Level-N underfrequency
protection duration (ms)
Species the level-N grid underfrequency protection duration.
NOTE
N can be 1 or 2.
----End
SUN2000-(90KTL, 95KTL, 100KTL, 105KTL) Series
User Manual
7 Man-Machine Interactions
Issue 11 (2020-08-30) Copyright © Huawei Technologies Co., Ltd. 82