Huawei Smart String ESS LUNA2000-200KWH-2H1 - Page 126

LUNA2000-200KWH-2H1 Smart String ESS
User Manual
5 Closing the Cabinet Door
Issue Draft (2022-10-30)
Copyright © Huawei Technologies Co., Ltd.
119
Step
Item
Remarks
3
Powering off the auxiliary power
supply (turning off the AC
switches and then the DC
switches)
As shown by (3) in Figure
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WH-2H1 Smart String ESS-2
4
Powering off the DC circuit
breakers of battery racks
As shown by (4) in Figure
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WH-2H1 Smart String ESS-2
5
Powering off the SACU
As shown by (5) in Figure
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6
Powering
off the
auxiliary
power
supply
Powering off the 220 V AC
auxiliary power supply
As shown by (6), (7), and (8)
in Figure
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WH-2H1 Smart String ESS-2
7
(Optional) Powering off the UPS
As shown by (10) and (11)
in .2 Power-Off Process
8
Powering off the AC power distribution cabinet
connected to the grid
As shown by (9) in Figure
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Figure 5-3 Power-off process