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Huawei SUN2000-M3 User Manual

Huawei SUN2000-M3
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ID Name Severity Cause Solution
Cause ID = 8
The sunlight is weak or
changes abnormally.
Cause ID = 9
In partial conguration
scenarios, the PV string
voltage exceeds the
inverter input voltage
specications.
parallel under the same
MPPT is the same.
2. Check whether the
optimizer output extension
cable is correct (positive
connector at one end and
negative connector at the
other).
Cause ID 7: When the
sunlight is normal, perform
the optimizer search function
again.
Cause ID 8: When the
sunlight is normal, perform
the optimizer search function
again.
Cause ID 9: Calculate the PV
string voltage based on the
number of PV modules in the
string and check whether the
string voltage exceeds the
upper threshold of the
inverter input voltage.
SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)-
M3
User Manual 8 Maintenance
Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd. 83

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Huawei SUN2000-M3 Specifications

General IconGeneral
TypeString Inverter
Rated AC Grid Frequency50 Hz / 60 Hz
DC Connection TypeMC4
Protection DegreeIP65
Cooling MethodNatural convection
CategoryInverter
Adjustable Power Factor Range0.8 leading - 0.8 lagging
Total Harmonic Distortion (THD)≤ 3 %
Operating Temperature Range-25°C to 60°C
CommunicationRS485
Efficiency98%
Protection LevelDC reverse polarity protection, AC overcurrent protection, AC short-circuit protection, Overvoltage protection, Insulation monitoring, Residual current monitoring unit, Arc fault detection

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