Huawei JUPITER-3000K-H1 Smart User Manual page 148

JUPITER-(3000K, 6000K, 9000K)-H1 Smart
Transformer Station
User Manual
Alar Alarm
m ID Name
2365 Low
Insulation
Gas
Pressure of
Ring Main
Unit
2366 Cabinet G1
Short-
Circuit
Fault
Indicator
Alarm
2367 Cabinet G3
Short-
Circuit
Fault
Indicator
Alarm
2368 Medium-
Voltage
Side
Underfrequ
ency
Protection
2369 Medium-
Voltage
Side
Overfreque
ncy
Protection
Issue 02 (2023-09-30)
Alarm Possible Cause
Severity
Major The insulation gas of
the ring main unit
leaks.
Major The medium-voltage
cable in cabinet G1 is
not properly grounded
or is short-circuited.
Major The medium-voltage
cable in cabinet G3 is
not properly grounded
or is short-circuited.
Major The medium-voltage
power grid
experiences
underfrequency.
Major The medium-voltage
power grid
experiences
overfrequency.
Copyright © Huawei Technologies Co., Ltd.
6 System Maintenance
Suggestion
1. Check the gas pressure indicator
or barometer of the ring main
unit onsite. If the pointer is not in
the green area, the ring main unit
leaks air. In this case, contact
technical support.
2. If the gas pressure indicator or
barometer pointer is in the red
area, immediately turn off the
load switch of cabinet G3 in the
upper-level STS or the feeder
switch in the switching station.
3. If the fault persists, contact your
dealer or technical support.
1. Check whether the medium-
voltage cable connected to
cabinet G1 is damaged. If yes,
repair the cable.
2. If the fault persists, contact your
dealer or technical support.
1. Check whether the medium-
voltage cable connected to
cabinet G3 is damaged. If yes,
repair the cable.
2. If the fault persists, contact your
dealer or technical support.
1. Check and download the relay
protection event records of the
ring main unit onsite, compare the
records with the monitoring data
of the booster station, identify the
fault cause, and rectify the fault.
2. If the fault persists, contact your
dealer or technical support.
1. Check and download the relay
protection event records of the
ring main unit onsite, compare the
records with the monitoring data
of the booster station, identify the
fault cause, and rectify the fault.
2. If the fault persists, contact your
dealer or technical support.
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