Huawei SUN2000-196KTL-H0 User Manual page 92

SUN2000-(196KTL-H0, 200KTL-H2, 215KTL-H0)
User Manual
Alarm Alarm Name
ID
2037 Grid
Underfrequenc
y
2038 Unstable Grid
Frequency
Issue 02 (2020-10-30)
Alarm Cause
Severity
Major Cause ID=1
Power grid exception: The
actual power grid
frequency is lower than
the standard requirement
for the local power grid.
Major Cause ID=1
Power grid exception: The
actual grid frequency
change rate does not
comply with the local
power grid standard.
Copyright © Huawei Technologies Co., Ltd.
8 Maintenance
Troubleshooting Suggestions
1. If the alarm occurs
occasionally, the power grid
may be abnormal
temporarily. The inverter
automatically recovers
after detecting that the
power grid becomes
normal.
2. If the alarm occurs
frequently, check whether
the power grid frequency is
within the acceptable
range. If not, contact the
local power operator. If yes,
modify the grid
underfrequency protection
threshold through the
mobile app, SmartLogger,
or NMS with the consent of
the local power operator.
1. If the alarm occurs
occasionally, the power grid
may be abnormal
temporarily. The inverter
automatically recovers
after detecting that the
power grid becomes
normal.
2. If the alarm occurs
frequently, check whether
the power grid frequency is
within the acceptable
range. If not, contact the
local power operator.
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