Powering Off Ess Devices - Huawei LUNA2000-200KWH-2H1 Smart String ESS User Manual

LUNA2000-200KWH-2H1 Smart String ESS
User Manual
Figure 12-2 Power-off process

12.3 Powering Off ESS Devices

Powering Off the Smart PCS
Step 1 Wear proper PPE.
Step 2 Turn off the AC switch between the Smart PCS and the grid.
Step 3 Open the AC maintenance compartment door, install a support bar, and use a
multimeter to measure the voltage between the AC terminal block and the
ground. Ensure that the AC side of the Smart PCS is disconnected.
Step 4 Turn off DC switch 1Q2 in the ESS.
Step 5 Open the DC maintenance compartment door, install a support bar, and use a
multimeter to measure the voltage between the DC terminal blocks. Ensure that
the DC side of the Smart PCS is disconnected.
----End
Powering off the ESS
Step 1 Turn off all switches in the power distribution system of the ESS.
1.
2.
Issue 02 (2023-02-28)
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.
Turn off switch 1FB1 of the 220 V maintenance socket.
Copyright © Huawei Digital Power Technologies Co., Ltd.
12 Powering Off the System
150