Huawei SUN2000 User Manual

SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
8 System Maintenance
Issue 01 (2018-05-21)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
145
Alarm
ID
Alarm
Name
Alarm
Severity
Alarm
Action
Possible Cause
Suggestion
2035
Unbalance
d Grid
Voltage
Major
Shutdown,
alarm
reporting, and
automatic
recovery after
the fault is
rectified
The difference between
grid phase voltages
exceeds the upper
threshold.
1. Check that the grid
voltage is within the
normal range.
2. Check the connection of
the AC output power
cable.
3. If the cable is connected
properly but the alarm is
triggered frequently and
affects the power
production of the PV
plant, contact the local
power operator.
2036
Grid
Overfreque
ncy
Major
Shutdown,
alarm
reporting, and
automatic
recovery after
the fault is
rectified
Cause ID = 1
Power grid exception:
The actual grid
frequency is higher than
the local power grid
standard.
1. If the alarm is triggered
accidentally, it may be
due to temporary
abnormalities in the
power grid. The
SUN2000 will
automatically recover
after the power grid has
resumed normal
functioning.
2. If the alarm is triggered
frequently, check
whether the grid
frequency is within the
acceptable range. If it is
not, contact the local
power operator. If grid
frequency is within the
acceptable range,
modify the grid
overfrequency
protection threshold
with the consent of the
local power operator.

Huawei SUN2000 Specifications

General

Model	SUN2000
Efficiency	Up to 98.6%
MPPT	Yes
Max Input Voltage	1100V
Number of MPPTs	2
Operating Temperature	-25°C to +60°C
Protection Level	IP65
Communication	RS485
Nominal Output Voltage	230V/400V