Powering Off Ess Devices - Huawei LUNA2000-200KWH-2H1 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 check the voltage between the AC terminal block and the ground.
Ensure that the AC side of the Smart PCS is powered off.
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 check the voltage between DC terminal blocks. Ensure that the DC
side of the Smart PCS is powered off.
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Powering Off the ESS
Step 1 Turn off all switches in the power distribution system of the ESS.
1.
2.
Issue 03 (2023-03-30)
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.
(Optional) Turn off the 220 V maintenance socket switch 1FB1.
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