Infineon Technologies Austria Ag

Daifei Zhang

Johann Kolar

Jonas Emanuel Huber

Neha Nain

Disclosed is a method and apparatus. The method includes detecting an operating state of a current source converter that comprises a current source rectifier (), a current source inverter (), and an inductor circuit () connected between an output (p, n) of the current source rectifier () and an input (q, r) of the current source inverter (); and dependent on the detected operating state, operating the current source converter in a first operating mode or a second operating mode. Operating the current source converter in the first operating mode comprises operating the current source rectifier () in a 2/3 mode and operating the current source inverter in a 3/3 mode, and operating the current source converter in the second operating mode comprises operating the current source inverter () in the 2/3 mode and operating the current source rectifier in the 3/3 mode.

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Zurich, Switzerland

Daifei Zhang