Powering Off The Distribution Transformer - Huawei LUNA2000-2.0MWH Series User Manual

LUNA2000-2.0MWH Series Smart String ESS
User Manual
Step 7 (Optional) Turn off the UPS cable inlet switch 5FCB (as shown by 8 in the
position
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10.6 Powering Off 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 off the auxiliary circuit switch MCB 6FB9 in the auxiliary transformer cabinet.
Step 2 Turn off the meter switch MCB 6FB8 in the auxiliary transformer cabinet.
Step 3 Turn off the incoming power switch MCCB 6QA on the 800 V side of the auxiliary
transformer cabinet.
Step 4 Turn off the SPD switch MCB 6FB7 on the 400 V side of the auxiliary transformer
cabinet.
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Issue 15 (2023-11-01)
diagram).
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10 Powering Off the System
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