System Maintenance; Precautions - Huawei JUPITER-3000K-H1 Smart User Manual

JUPITER-(3000K, 6000K, 9000K)-H1 Smart
Transformer Station
User Manual

6.1 Precautions

● Wear personal protective equipment and use dedicated insulated tools to avoid
electric shocks or short circuits.
● Do not use wet cloth to clean exposed copper bars or other conductive parts.
Before replacing the monitoring and control device, ensure that the secondary side
of the current transformer (CT) is short-circuited and the secondary side of the
potential transformer (PT) is open-circuited.
In the LV coupling scenario where the inverter and PCS are connected to the same
MCCB, when maintaining the inverter and PCS, ensure that the DC switches of the
PCS and inverter connected to the same MCCB are turned off.
In the LV coupling scenario where the inverter and PCS are connected to the same
MCCB, ensure that the power-on conditions are met before powering on the
inverter and PCS. For details, see
LV Coupling Scenarios Where the Inverter and PCS Are Connected to the
Same
● Prior to maintenance, power off the equipment.
Issue 02 (2023-09-30)
D ANGER
D ANGER
D ANGER
MCCB).
WARNING
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System Maintenance

Inverter and PCS Status Check (Applicable to
6 System Maintenance
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