Huawei SUN2000-55KTL Series User Manual page 86

SUN2000-(55KTL, 60KTL) Series
User Manual
No. Parameter Description
15 Upgrade Upgrade delay is
delay mainly used in the
upgrade scenarios
where the PV power
supply is disconnected
at night due to no
sunlight or unstable at
dawn or dusk due to
poor sunlight.
16 String The SUN2000
monitor monitors PV strings in
real time. If any PV
string is abnormal
(such as the PV string
is shaded or the energy
yield decreases), the
SUN2000 generates an
alarm to remind
maintenance personnel
to maintain the PV
string in a timely
manner.
17 String Specifies the delay
detection time for generating
low power abnormal string alarms
delay when the SUN2000
detects that a PV string
is working with low
power. This parameter
is mainly used in the
scenario where PV
strings are shaded for a
long time in the
morning and evening,
and is used to prevent
false alarms.
18 String Specifies the delay
detection time for generating
high power abnormal string alarms
delay when the SUN2000
detects that a PV string
is working with high
power.
Issue 06 (2020-01-03)
Unit Default
Value
N/A Enable
N/A Disable
min 180
min 30
Copyright © Huawei Technologies Co., Ltd.
7 Man-Machine Interactions
Value Range Remarks

Disable After the SUN2000
upgrade starts, if
 Enable
Upgrade delay is
set to Enable, the
upgrade package is
loaded first. After
the PV power supply
recovers and the
activation conditions
are met, the
SUN2000
automatically
activates the
upgrade.
 Disable If PV strings are
easily shaded, you

Enable
are advised to set
String monitor to
Disable to prevent
false alarms.
[2, 720] This parameter is
displayed when
String monitor is
set to Enable.
[2, 720]
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