Huawei Smart String ESS LUNA2000-200KWH-2H1 - Power-On Process

LUNA2000-200KWH-2H1 Smart String ESS
User Manual
3 System Power-On
Issue Draft (2022-10-30)
Copyright © Huawei Technologies Co., Ltd.
100
Figure 3-1 Installing the PSU
----End
3.3 Power-On Process
Table 3-1 Procedure
Step
Item
Remarks
1
Powering on the AC power distribution
cabinet connected to the grid
As shown by (1) in Figure 3-2
2
Powerin
g on the
auxiliary
power
supply
(Optional) Powering on the UPS
As shown by (10) and (11) in 3.3
Power-On Process
Powering on the 220 V AC
auxiliary power supply
As shown by (2), (3), and (4) in
Figure 3-2
3
Powering on the SACU
As shown by (5) in Figure 3-2
4
Powerin
g on the
ESS
Powering on the DC circuit
breakers of battery racks
As shown by (6) in Figure 3-2
5
Powering on the auxiliary power
supply (turning on the AC
switches and then the DC
switches)
a
As shown by (7) in Figure 3-2
6
Powering on the output DC circuit
breakers
As shown by (8) in Figure 3-2
7
Powerin
g on the
AC side
of the
Smart
PCS
Powering on the battery side of the
AC power distribution cabinet
As shown by (9) in Figure 3-2
Note a: Before turning on the internal switch of the ESS auxiliary power supply, check that
the AC auxiliary power supply voltage is within the normal range (220 V±10%).