Huawei LUNA2000-100KTL-M1 User Manual page 95

LUNA2000-100KTL-M1 Smart Power Control System
User Manual
Alarm Alarm
ID Name
2037 Grid
Underfrequ
ency
2038 Grid
Frequency
Unstable
2039 AC
Overcurrent
Issue 02 (2023-01-10)
Severi Possible Cause
ty
Major Cause ID = 1
Power grid exception: The
power grid frequency is lower
than the frequency required in
the local standard.
Major Cause ID = 1
Power grid exception: The
actual grid frequency change
rate does not comply with the
local power grid standard.
Major Cause ID = 1
The grid experiences a
dramatic voltage drop or is
short-circuited. As a result, the
transient AC current of the
device exceeds the upper
threshold and triggers
protection.
Copyright © Huawei Technologies Co., Ltd.
8 Alarm Reference
Suggestion
1. If the alarm occurs
occasionally, the power grid
may be abnormal
temporarily. The device
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 allowed range. If
not, contact the local power
operator. If yes, modify the
power grid underfrequency
protection threshold after
obtaining the consent of the
local power operator.
1. If the alarm occurs
occasionally, the power grid
may be abnormal
temporarily. The device
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 allowed range. If
not, contact the local power
operator.
1. The device detects its
external working conditions
in real time. After the fault
is rectified, the device
automatically recovers.
2. If the alarm occurs
frequently and affects the
operation of the power
plant, check whether AC
short circuit exists. If the
fault persists, contact your
dealer or technical support.
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