Powering On The Smart Transformer Station (Sts); Powering On The Smart Array Controller (Sacu); Powering On The Distribution Transformer - Huawei LUNA2000-2.0MWH Series User Manual

LUNA2000-2.0MWH Series Smart String ESS
User Manual

8.4 Powering On the Smart Transformer Station (STS)

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8.5 Powering On the Smart Array Controller (SACU)

Prerequisites
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Procedure
Step 1 Turn on power switch 3FB3 for the Smart Array Controller in the auxiliary power
distribution cabinet of the medium-voltage room.
Step 2 Open the cabinet door of the Smart Array Controller and turn on the power switch
of the SmartLogger. The running indicator of the SmartLogger starts blinking 30
seconds later.
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8.6 Powering On the Distribution Transformer

Before connecting the power supply, ensure that all switches of the Distribution
Transformer are turned off.
Procedure
Step 1 Turn on the SPD switch MCB 6FB7 on the 400 V side of the auxiliary transformer
cabinet.
Step 2 Turn on the incoming power switch MCCB 6QA on the 800 V side of the auxiliary
transformer cabinet.
Step 3 Turn on the meter switch MCB 6FB8 in the auxiliary transformer cabinet.
Issue 15 (2023-11-01)
If a Huawei STS is used, see the corresponding product documents.
If non-Huawei transformer is used, see the corresponding product documents
from the manufacturer.
You have completed the power-on check.
You have put on proper personal protective equipment (PPE).
Ensure that the power voltage of the SACU is within the operating voltage
range, and the three-phase input voltage is within the operating voltage
range of the MBUS CCO.
CA UTION
NO TE
When the transformer is powered on, a loud buzz will be generated. Then the buzz is
weakened rapidly and becomes stably low.
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8 Powering On the System
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