2. Switch o the re control panel circuit breaker 5FCB3, Open the re control
panel and turn o the power switch inside, Switch o lighting system circuit
breaker 1FB1, 220 V socket circuit breaker 1FB2, and ESS adapter circuit
breaker 5FCB1 in sequence. (corresponding to number 2 in the gure)
3. Switch o the circuit breakers 7FCB7–7FCB15 and 7FCB19–7FCB27 of the
battery pack fan in sequence. (corresponding to number 4 in the
gure)
4. Switch o the circuit breakers of the Smart Rack Controller. (corresponding to
number 4 in the gure)
– LUNA2000-2.0MWH-1H0: Switch o the circuit breakers 7FCB16–7FCB18
and 7FCB28–7FCB30.
– LUNA2000-2.0MWH-2H0: Switch
o the circuit breakers 7FCB16–7FCB18.
5. On the ETP48400-C3B1 subrack, the DC input circuit breakers 7FCB1 and
7FCB2 (This switch controls the DC auxiliary power input to the battery pack
fan and the Smart Rack Controller), the exhaust fan controller circuit breakers
7FCB4 and 7FCB5, and the air conditioner circuit breaker 7FCB6 of the control
unit cabin in sequence, switch
o the PSU AC input circuit breaker 6FCB1.
(corresponding to number 3 in the
gure)
Step 2 Switch o circuit breaker 1QA for the AC input power cable of the ESS.
Step 3 Switch o circuit breaker 2FCB1 of the SPD.
----End
9.6 Powering O the Distribution Transformer
Follow the relevant power operation procedure. Wear high-voltage insulation
gloves, insulation shoes, and safety helmets, and use operation levers.
Procedure
Step 1 Turn o the auxiliary circuit switch MCB 6FB9 in the auxiliary transformer cabinet.
Step 2 Turn
o the meter switch MCB 6FB8 in the auxiliary transformer cabinet.
Step 3 Turn o the incoming power switch MCCB 6QA on the 800 V side of the auxiliary
transformer cabinet.
Step 4 Turn
o the SPD switch MCB 6FB7 on the 400 V side of the auxiliary transformer
cabinet.
----End
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. 133
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