Patent ID: 11909302
Assignee: GE INFRASTRUCTURE TECHNOLOGY LLC
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. The method of claim 4, wherein the plurality of operating states comprises at least one of a first operating state having the AC terminal electrically connected to the positive voltage terminal by closing the first and second IGBT switches, a second operating state having the AC terminal electrically connected to the positive voltage terminal by closing the first and second antiparallel diodes, a third operating state having the AC terminal electrically connected to the midpoint voltage terminal by closing the second and sixth IGBT switches and the third and fifth antiparallel diodes, a fourth operating state having the AC terminal electrically connected to the midpoint voltage terminal by closing the third and fifth IGBT switches and the second and sixth antiparallel diodes, a fifth operating state having the AC terminal electrically connected to the negative voltage terminal by closing the third and fourth antiparallel diodes, and a sixth operating state having the AC terminal electrically connected to the negative voltage terminal by closing the third and fourth IGBT switches.