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JUPITER-(3000K, 6000K, 9000K)-H1 Smart
Transformer Station
User Manual
6.8 Common Parts Replacement
● For details about how to replace components inside the STS, see the
corresponding component installation guide.
● Before replacement, check that a spare component of the same model is
available and functional.
● When replacing the component, disconnect the power supply. High voltage is
dangerous. Do not perform operations with power on.
● Before replacing a device on the auxiliary loop, turn off the miniature circuit
breaker (MCB) on the loop for the device.
● Replace components not listed in this document following the manufacturer's
instructions.
● The appearances of the components listed in this document are for reference
only. For details, see the documents provided by the manufacturer.
● Dispose of faulty components in accordance with the local disposal act for
waste electrical equipment.
6.8.1 (Optional) Replacing a Lightning Arrester
Context
If a lightning arrester is faulty and cannot be repaired during maintenance, power
it off and replace it.
This operation is optional and applies to the scenario where a lightning arrester
has been installed.
Power-Off
1.
2.
3.
4.
5.
6.
The following figure shows the positions of the switches.
Issue 02 (2023-09-30)
NO TICE
Turn off the ACB (1QA) of LV PANEL A or the ACB (2QA) of LV PANEL B.
Set the remote/local switch of the LV panel to the local position.
Set the remote/local switch of cabinet G2 in the ring main unit to the local
position.
Turn off the local on/off switch (VCB) of cabinet G2 in the ring main unit.
Turn off the disconnector of cabinet G2 in the ring main unit.
Turn on the ground switch of cabinet G2 in the ring main unit.
Copyright © Huawei Technologies Co., Ltd.
6 System Maintenance
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