Patent ID: 11909214
Assignee: SOUTHEAST UNIVERSITY
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 4:
5. The topology of a series-connected MMC converter with a small number of modules according to claim 1, wherein the AC output midpoint of the phase-A bridge circuit is connected to the positive terminal of a half-bridge valve string 1, and the negative terminal of the half-bridge valve string 1 is connected to the phase-A filter inductor;
the AC output midpoint of the phase-C bridge circuit is connected to the negative terminal of a half-bridge valve string 2, and the positive terminal of the half-bridge valve string 2 is connected to the phase-C filter inductor; and
the AC output midpoint of the phase-B bridge circuit is directly connected to the phase-B filter inductor.