Huawei LUNA2000-200KWH-2H1 User Manual page 131

LUNA2000-200KWH-2H1 Smart String ESS
User Manual
● During the power-on procedure, power off the batteries immediately if any
● After batteries are used for system commissioning or batteries have discharged,
● Battery overdischarge and damage may occur if batteries with low SOC are
Table 9-1 Power-on procedure
Step
1
2
3
4
5
6
7
Note a: Before turning on the internal switches of the ESS auxiliary power
supply, check that the AC auxiliary power supply voltage is within the normal
range (220 V±10%).
Issue 03 (2023-03-30)
CA UTION
fault is detected. Rectify the fault before proceeding with the procedure.
charge the batteries in time. Otherwise, batteries may be damaged due to
overdischarge.
stored. Batteries should be recharged in a timely manner.
Item
Powering on the AC power distribution
cabinet connected to the grid
Poweri (Optional) Powering on the
ng on UPS
the
Powering on the 220 V AC
auxiliar
auxiliary power supply
y
power
supply
Powering on the SACU
Poweri Powering on the DC circuit
ng on breakers of battery racks
the ESS
Powering on the auxiliary
power supply (turning on the
AC switches and then the DC
switches)
Powering on the output DC
circuit breakers
Poweri Powering on the battery side
ng on of the AC power distribution
the AC cabinet
side of
the
Smart
PCS
Copyright © Huawei Digital Power Technologies Co., Ltd.
a
9 System Power-On
Remarks
As shown by (1) in Figure
9-2
As shown by (10) and (11)
in Figure 9-2
As shown by (2), (3), and (4)
in Figure 9-2
As shown by (5) in Figure
9-2
As shown by (6) in Figure
9-2
As shown by (7) in Figure
9-2
As shown by (8) in Figure
9-2
As shown by (9) in Figure
9-2
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