Huawei LUNA2000-2.0MWH Series

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No. Test Item Procedure Criteria

2 Main ground

insulation

resistance

after L1, L2,

L3, and N

are short-

circuited

1. Short-circuit L1, L2, L3, and

2. Select the insulation

resistance test function for

the tester. Connect one

end of the tester to the

short-circuit point of the

phase wire and the other

end to the main ground

point. Set the test voltage

to 1 kV DC and record the

test resistance.

● The test voltage is 1

kV.

● The stable insulation

resistance is greater

than or equal to 1

MΩ.

Note: If the result of the rst test does not meet the requirements, perform the

test again following the prerequisites. If the test result still fails to meet the

requirements, contact the Company's service engineers immediately.

Follow-up Procedure

Remove the short-circuit cable and restore all switches to factory settings.

LUNA2000-2.0MWH Series Smart String ESS

User Manual 11 FAQ

Huawei LUNA2000-2.0MWH Series - Page 234