Huawei SUN2000-(2KTL-6KTL)-L1, Руководство пользователя

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Alarm
ID
Alarm Name Alarm
Severity
Possible Causes Troubleshooting
2051 Abnormal
Residual
Current
Major Cause ID = 1
The insulation impedance
of the input side to PE
decreases when the
SUN2000 is operating.
1. If the alarm occurs
occasionally, the
external circuit may be
abnormal temporarily.
The SUN2000
automatically recovers
after the fault is
àž”ì²Ēžšȇ
2. If the alarm occurs
frequently or persists,
check whether the
impedance between the
PV string and the
ground is too low.
2062 Low Insulation
Resistance
Major Cause ID = 1
ɲ ä¯Ñà씲à”ñ²ìє”ñàä
between the PV array
and the ground.
ɲ f¯ž†É“²žÊ솲àѩ쯞
PV array is damp and
the insulation between
the PV array and the
ground is poor.
1. Check the output
impedance of the PV
array to ground. If there
is a short circuit or lack
of insulation, rectify it.
2. Check that the PE cable
of the SUN2000 is
correctly connected.
3. If the impedance is
lower than the äݞ”²Ēžš
protection threshold in
rainy and cloudy days,
set Insulation
resistance protection
using the mobile app,
SmartLogger, or NMS.
Current insulation
àžä²äì†Ê”žǿĂDƐȀ
possible short circuit
ÝÑä²ì²ÑÊǿĂɟȇf¯žä¯Ñàì
circuit position is valid
for a single PV string. If
there are multiple PV
strings, check the PV
strings one by one. For
details, see E Locating
Insulation Resistance
Faults .
SUN2000-(2KTL-6KTL)-L1
User Manual 8 System Maintenance
Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd. 86