Huawei SUN2000-63KTL-JPH0 User Manual page 99

SUN2000-63KTL-JPH0
User Manual
Alarm Alarm Name
ID
2036 Grid
Overfrequency
2037 Grid
Underfrequency
2038 Unstable Grid
Frequency
Issue 06 (2020-02-18)
Alarm Cause
Severity
Major Cause ID = 1
Power grid exception: The
actual grid frequency is higher
than the requirement of the
local power grid standard.
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
Measures
local power operator.
1. If the alarm occurs
accidentally, the power
grid may be abnormal
temporarily. The
SUN2000 automatically
recovers after detecting
that the power grid
becomes normal.
2. If the alarm occurs
frequently, check
whether the grid
frequency is within the
acceptable range. If no,
contact the local power
operator. If yes, modify
the power grid
overfrequency protection
threshold with the
consent of the local
power operator.
1. If the alarm occurs
accidentally, the power
grid may be abnormal
temporarily. The
SUN2000 automatically
recovers after detecting
that the power grid
becomes normal.
2. If the alarm occurs
frequently, check
whether the grid
frequency is within the
acceptable range. If no,
contact the local power
operator. If yes, modify
the power grid
underfrequency
protection threshold with
the consent of the local
power operator.
1. If the alarm occurs
accidentally, the power
grid may be abnormal
temporarily. The
SUN2000 automatically
recovers after detecting
that the power grid
becomes normal.
2. If the alarm occurs
frequently, check
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