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JUPITER-(3000K, 6000K, 9000K)-H1 Smart
Transformer Station
User Manual
No.
Check Item
Transformer
Ring main unit
Issue 02 (2023-09-30)
Check Method
Check that there is no oil leakage
around the pressure relief valve. If
there is, tighten the valve or
replace the faulty parts.
Check that there is no oil leakage
on the bushings of each phase at
the high-voltage and low-voltage
sides. If there is, tighten the
bushings or replace the faulty
parts.
Check that there is no oil leakage
at the connection point between
the transformer heat sink and the
oil tank flange. If there is, tighten
the connection point or replace
the faulty parts.
Check that the sound of the
transformer is normal during
operation. If there are abnormal
noises, power off the transformer
and repair it.
Check that the color of the
desiccant inside the dehydrating
breather does not change. If the
color changes from blue to pink or
from orange to dark green,
replace the desiccant in a timely
manner.
Check that the transformer oil in
the oil cup of the dehydrating
breather is clean. If it is dirty,
replace the transformer oil in a
timely manner.
If the water volume in the oil tray
exceeds 50% of the oil tray
volume, drain water in a timely
manner.
Check that the L1/L2/L3 potential
indicator is normal. If not, replace
it.
Copyright © Huawei Technologies Co., Ltd.
6 System Maintenance
Recommended
Maintenance Interval
System
Power
ed Off
or Not
Yes
Yes
Yes
Yes
No
No
No
Yes
106
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