● Check the equipment before power-on. For details, see the corresponding user
manual.
● Before the rst power-on, check that cables are correctly connected.
● Incorrect cable connections may cause damage to the STS or the Smart PCS.
Verify the cable connections between the STS and the Smart PCS for the initial
power-on. If any exception occurs during the power-on process, stop the
operation. You can proceed with the operation only after the exception has
been handled.
Procedure Item Remarks
1 Powering on the STS (including the STS
Auxiliary Transformer)
Corresponding
to number 1,
number 2, and
number 3 in the
power-on
owchart
2 Powering On the Smart Array Controller
(SACU)
Corresponding
to number 4 in
the power-on
owchart
3 Powering on the Distribution Transformer
(Huawei or non-Huawei equipment)
Corresponding
to number 5,
number 6, and
number 7 in the
power-on
owchart
4 Powe
ring
On
the
ESS
Switching on the DC circuit breakers
of the rack in the battery cabin
Corresponding
to number 8 in
the power-on
owchart
5 Powering on the secondary devices
(turning on the AC switches and then
the DC switches)
Corresponding
to number 9 in
the power-on
owchart
6 Switching on the DC circuit breakers
in the control unit cabin
Corresponding
to number 10 in
the power-on
owchart
7 (Optional) Turning on the switches at battery
side of the DC LV Panel
Corresponding
to number 11 in
the power-on
owchart
LUNA2000-2.0MWH Series Smart String ESS
User Manual 7 Powering On the System
Issue 08 (2022-11-15) Copyright © Huawei Technologies Co., Ltd. 145