Step 4 Choose Overview > Active Alarms to view system alarms generated after the
shutdown. If any alarm is generated, handle the alarm according to the alarm
handling suggestions.
----End
12.2 Power-O Process
Table 12-1
Power-o procedure
Step Item Remarks
1 Powering
o the AC
side of the
Smart PCS
Powering o the battery side
of the AC power distribution
cabinet
As shown by (1) in Figure
12-2
2 Powering
o the
ESS
Powering o the output DC
circuit breakers
As shown by (2) in Figure
12-2
3 Powering o the auxiliary
power supply (turning o the
AC switches and then the DC
switches)
As shown by (3) in Figure
12-2
4 Powering o the DC circuit
breakers of battery racks
As shown by (4) in Figure
12-2
5 Powering o the SACU As shown by (5) in Figure
12-2
6 Powering
o the
auxiliary
power
supply
Powering o the 220 V AC
auxiliary power supply
As shown by (6), (7), and
(8) in Figure 12-2
7 (Optional) Powering o the
UPS
As shown by (10) and
(11) in Figure 12-2
8 Powering o the AC power distribution
cabinet connected to the grid
As shown by (9) in Figure
12-2
LUNA2000-200KWH-2H1 Smart String ESS
User Manual 12 Powering O the System
Issue 03 (2023-03-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 147
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