Parallel Operation - Huawei PAC2000S12-B1 PSU Technical Manual

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PAC2000S12-B1 PSU
Current Share Design Requirements
1.
The current imbalance of the MV12 main output is ±5% (50%–100% load).
2.
When the PSU starts in parallel mode, the total startup load is less than the rated load of one
PSU.
3.
In backup mode (1+1, 2+2, 3+3), if one PSU works in MV6 mode and the other PSU works in
MV12 mode, the PSUs should not affect each other and should work properly.
4.
When PSUs of the same model are inserted, if the I-MON# signals of two PSUs are directly
connected, the PSU running and current share function should not be affected.
5.
Current sharing imbalance applies only to the normal temperature.
6.
The AC input voltage, frequency, and phase asynchronization should not affect the parallel
system output performance (requiring current sharing and output stability)
Technical Manual
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Parallel Operation

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8 Parallel Operation
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