Table of Contents
Advertisement
JUPITER-(3000K, 6000K, 9000K)-H1 Smart
Transformer Station
User Manual
Alar
Alarm
m ID
Name
2347
Transforme
r
Undervolta
ge
Protection
Action
2348
Circuit
Breaker
Failure
Protection
Action
Issue 02 (2023-09-30)
Alarm
Possible Cause
Severity
Major
1. The medium-
voltage power grid
experiences
undervoltage.
2. The medium-
voltage cable is
grounded in single-
phase mode.
Major
The circuit breaker
fails to trip.
Copyright © Huawei Technologies Co., Ltd.
6 System Maintenance
Suggestion
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. Check whether the medium-
voltage cable is damaged. If yes,
repair the cable.
3. Rectify the fault before switching
on the medium-voltage circuit
breaker.
4. If the fault persists, contact your
dealer or technical support.
1. Check whether the trip coil of the
circuit breaker is damaged. If yes,
replace the coil.
2. Check whether the handle is
pulled out. If no, pull out the
handle and ensure that the travel
switch is reset.
3. Check whether the door panel of
the cable room is properly
installed. If no, install the door
panel and ensure that the travel
switch is in the correct position.
4. Reset the relay protection.
5. If the fault persists, contact your
dealer or technical support.
131
Advertisement
Table of Contents
