公开(公告)号：US11979094B2

公开(公告)日：2024-05-07

申请号：US17789899

申请日：2020-12-16

Applicant: ABB Schweiz AG

Inventor： Ralph Mario Burkart ,  Ioannis Tsoumas ,  Frederick Kieferndorf ,  Tobias Geyer

IPC: H02M7/49 ,  H02M1/00 ,  H02M1/12 ,  H02M1/15 ,  H02M7/487

CPC classification number: H02M7/49 ,  H02M1/0022 ,  H02M1/0067 ,  H02M1/12 ,  H02M1/15 ,  H02M7/487

Abstract: In one embodiment, a method of operating a power electronic converter device for an electrical power converter system is provided. The power electronic converter device includes a converter circuit, a first converter, and a second converter. The first converter and the second converter are switch with a switching pattern such that the first converter and the second converter generate voltages with stepwise voltages changes and an output voltage of the power electronic converter device results from a superposition of the voltages of the first converter and the second converter. The switching pattern includes switching instants for the second converter such that the voltage of the second converter leaves the fundamental voltage component of the voltage of the first converter unchanged, such that the second converter does not generate a fundamental component of the output voltage.

公开(公告)号：US20230052562A1

公开(公告)日：2023-02-16

申请号：US17789899

申请日：2020-12-16

Applicant: ABB Schweiz AG

Inventor： Ralph Mario Burkart ,  Ioannis Tsoumas ,  Frederick Kieferndorf ,  Tobias Geyer

IPC: H02M7/49 ,  H02M7/487 ,  H02M1/00

Abstract: In one embodiment, a method of operating a power electronic converter device for an electrical power converter system is provided. The power electronic converter device includes a converter circuit, a first converter, and a second converter. The first converter and the second converter are switch with a switching pattern such that the first converter and the second converter generate voltages with stepwise voltages changes and an output voltage of the power electronic converter device results frum a superposition of the voltages of the first converter and the second converter. The switching pattern includes switching instants for the second converter such that the voltage of the second converter leaves the fundamental voltage component of the voltage of the first converter unchanged, such that the second converter does not generate a fundamental component of the output voltage.