9.3 Powering O the Smart PCS
Procedure
Step 1 Wear proper personal protective equipment (PPE).
Step 2 Turn o 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
o the DC switch between the Smart PCS and the DC LV Panel busbar.
Step 5 Open the DC maintenance compartment door, install a support bar, and use a
multimeter to measure the voltage between the DC terminal block and the
ground. Ensure that the DC side of the Smart PCS is disconnected.
----End
9.4 Powering O the Battery Side of the DC LV Panel
Step 1 Turn o the switches on the battery side of the DC LV Panel.
----End
9.5 Powering O the ESS
Switching
O the DC Circuit Breakers of the Rack in the Battery Cabin
Step 1 Turn o output switches 1Q1, 2Q, 3Q, 4Q1, 5Q1, and 6Q1 of each battery rack in
the ESS.
----End
Switching O the DC Circuit Breakers in the Control Unit Cabin
Step 1 Switch o DC output circuit breakers 1Q2, 2Q2, and 3Q2 of the ESS.
----End
Powering O the Secondary Devices of the ESS
Step 1 Switch o all circuit breakers of the ESS power distribution system.
1. Switch o the AC power circuit breakers of the air conditioner in sequence.
(corresponding to number 1 in the
gure)
– LUNA2000-2.0MWH-1H0: Switch o the circuit breakers 3FCB1, 3FCB2,
3FCB4, 3FCB5, 3FCB7, 3FCB8, 3FCB10, 3FCB11 in sequence.
– LUNA2000-2.0MWH-2H0: Switch
o the circuit breakers 3FCB2, 3FCB4,
3FCB6, 3FCB8, 3FCB10, 3FCB12 in sequence.
LUNA2000-2.0MWH-1H0, 2H0 Smart String ESS
User Manual 9 Powering O the System
Issue 02 (2021-11-15) Copyright © Huawei Technologies Co., Ltd. 132
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