Powering Off The Smart Pcs - Huawei LUNA2000-2.0MWH Series User Manual

LUNA2000-2.0MWH Series Smart String ESS
User Manual
Proced
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9.3 Powering Off the Smart PCS

Procedure
Step 1 Wear proper personal protective equipment (PPE).
Step 2 Turn off 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 off 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
Issue 08 (2022-11-15)
NO TE
Before powering off the system, shut down the entire system on the SmartLogger WebUI,
including the Smart PCS and the Smart Rack Controller.
Item
Powering Powering off the AC side of
off the the Smart PCS
Smart
(Optional) Powering off
PCS
the DC side of the Smart
PCS
(Optional) Powering off the battery
side of the DC LV Panel
Powering Switching off the DC circuit
off the breakers of the rack in the
ESS battery cabin
Switching off the DC circuit
breakers in the control unit
cabin
Powering off the secondary
devices (turning off the DC
switches and then the AC
switches)
Powering off the Distribution
Transformer (Huawei or non-Huawei
equipment)
Copyright © Huawei Technologies Co., Ltd.
9 Powering Off the System
Remarks
Corresponding to number 1
in the power-off flowchart
Corresponding to number 2
in the power-off flowchart
Corresponding to number 3
in the power-off flowchart
Corresponding to number 4
in the power-off flowchart
Corresponding to number 5
in the power-off flowchart
Corresponding to number 6
in the power-off flowchart
Corresponding to number 7,
8, and 9 in the power-off
flowchart
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