Patent ID: 11901293
Assignee: SUNGROW POWER SUPPLY CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. The power unit according to claim 1, wherein the power unit has a three-level topology,
two input terminals of the first package module are respectively connected to a positive electrode and a neutral point of the inverter on a direct current (DC) side of the inverter,
two input terminals of the second package module are respectively connected to a negative electrode and the neutral point of the inverter on the DC side of the inverter,
the two input terminals of the first package module and the two input terminals of the second package module serve as a DC side of the power unit,
the output terminal of the first package module and the output terminal of the second package module are respectively connected to two input terminals of the third package module, and
an output terminal of the third package module serves as the AC side of the power unit, and is connected to an AC side of the inverter.