Before powering o the system, shut down the entire system on the SmartLogger WebUI,
including the Smart PCS and the Smart Rack Controller.
Proced
ure
Item Remarks
1 Powering
o the
Smart
PCS
Powering o the AC side of
the Smart PCS
Corresponding to number 1
in the power-o owchart
2 (Optional) Powering o
the DC side of the Smart
PCS
Corresponding to number 2
in the power-o owchart
3 (Optional) Powering o the battery
side of the DC LV Panel
Corresponding to number 3
in the power-o owchart
4 Powering
o the
ESS
Switching o the DC circuit
breakers of the rack in the
battery cabin
Corresponding to number 4
in the power-o owchart
5 Switching o the DC circuit
breakers in the control unit
cabin
Corresponding to number 5
in the power-o owchart
6 Powering o the secondary
devices (turning o the DC
switches and then the AC
switches)
Corresponding to number 6
in the power-o owchart
7 Powering o the Distribution
Transformer (Huawei or non-Huawei
equipment)
Corresponding to number 7,
8, and 9 in the power-o
owchart
9.3 Powering O the Smart PCS
Procedure
Step 1 Wear proper personal protective equipment (PPE).
Step 2 Turn o the AC switch between the Smart PCS and the grid.
Step 3 Open the AC maintenance compartment door, install a support bar, and use a
multimeter to measure the voltage between the AC terminal block and the
ground. Ensure that the AC side of the Smart PCS is disconnected.
Step 4 Turn
o the DC switch between the Smart PCS and the DC LV Panel busbar.
Step 5 Open the DC maintenance compartment door, install a support bar, and use a
multimeter to measure the voltage between the DC terminal block and the
ground. Ensure that the DC side of the Smart PCS is disconnected.
----End
LUNA2000-2.0MWH Series Smart String ESS
User Manual 9 Powering O the System
Issue 08 (2022-11-15) Copyright © Huawei Technologies Co., Ltd. 173
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