SUN2000-(55KTL, 60KTL) Series
User Manual
7 Man-Machine Interactions
Issue 02 (2017-07-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
77
No. Parameter Description
Unit
Default
Value
Value Range
Remarks
Disable
to reduce
power consumption.
15
Upgrade
delay
Upgrade delay
is
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.
N/A
Enable
Disable
Enable
After the SUN2000
upgrade starts, if
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.
16
String
monitor
The SUN2000
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.
N/A
Disable
Disable
Enable
If PV strings are
easily shaded, you
are advised to set
String monitor
to
Disable
to prevent
false alarms.
17
String
detection
low power
delay
Specifies the delay
time for generating
abnormal string
alarms 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.
min
180
[2, 720]
This parameter is
displayed when
String monitor
is
set to
Enable
.
18
String
detection
high power
delay
Specifies the delay
time for generating
abnormal string
alarms when the
SUN2000 detects that
min
30
[2, 720]