SmartLogger1000
User Manual
7 WebUI
Issue 12 (2019-01-15)
Copyright © Huawei Technologies Co., Ltd.
188
No.
Parameter Description
Unit
Value Range
Remarks
60
AC
undervoltag
e protection
threshold
Specifies the grid
undervoltage protection
threshold.
V
80.0 V, 82.5 V, 85.0 V,
87.5 V, and 90.0 V
N/A
61
AC
undervolt
Specifies the grid
undervoltage protection
duration.
s
0.5s, 1.0s, 1.5s, and 2.0s
N/A
62
AC
overvoltage
protection
enable
Specifies the level-1
overvoltage protection.
N/A
Disable
Enable
N/A
63
FRT
When the power grid
voltage is abnormally
low for a short time, the
inverter cannot
disconnect from the
power grid immediately
and has to work for some
time. This is called
LVRT.
N/A
Disable
Enable
N/A
64
Active
islanding
protection
enable
Specifies whether to
enable the active
islanding protection
function.
N/A
Disable
Enable
N/A
65
Passive
islanding
protection
enable
Specifies whether to
enable the passive
islanding protection
function.
N/A
Disable
Enable
N/A
66
Voltage
phase jump
detection
value for
passive
islanding
The Japanese standard
requires that during
passive islanding
detection, protection
should be triggered if an
abrupt voltage phase
change is detected.
°
3°, 6°, 9°, 12°, and 15°
N/A
67
Frequency
feedback
module
Refers to a control
module that calculates
the reactive power based
on the offset deviation of
grid frequency and
promotes frequency
offset when islanding
occurs.
N/A
Disable
Enable
N/A