Power-Off Operations - Huawei LUNA2000-97KWH-1H1 Maintenance Manual

LUNA2000-(97KWH-1H1, 129KWH-2H1,
161KWH-2H1, 200KWH-2H1) Smart String ESS
Maintenance Manual
Step
2
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Figure 2-2 Power-off process

2.2.3 Power-Off Operations

Step 1 Turn off all switches in the power distribution system of the ESS.
1.
Issue 04 (2023-06-30)
Item
Powering Powering off the output DC
off the circuit breakers
ESS
Powering off the auxiliary
power supply (turn off the
AC switches and then the DC
switches)
Powering off the DC circuit
breakers of battery racks
Powering Powering off the 220 V AC
off the auxiliary power supply
auxiliary
(Optional) Powering off the
power
UPS
supply
On the embedded power subrack (SK1), turn off the DC/DC switch 2FCB1, DC
light power switch 2FCB2, TCUE switch 2FCB3, fan 1 switch 2FCB6, fan 2
switch 2FCB7, air conditioner 1 switch 2FCB8, and air conditioner 2 switch
2FCB9 in sequence.
Copyright © Huawei Digital Power Technologies Co., Ltd.
2 Routine Maintenance
Remarks
As shown by (2) in Figure
2-2.
As shown by (3) in Figure
2-2.
As shown by (4) in Figure
2-2.
As shown by (5) in Figure
2-2.
As shown by (6) and (7)
in Figure 2-2.
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