並列共振形電力変換器による誘導機の力行/回生運転の実現と新しい回路方式の提案

抄録

A resonant power couverter for the low switching loss power conversion must be achieved high frequency zero voltage switching or zero current switching. The important matters of the continuation of resonant phenomena the control strategy of resonant initial current and the clamp circuit for suppressing the resonant link voltage.
We discuss the control strategy of the resonant initial current and show the powering and regenerative operation successfully in the steady state and transient state by experimental test.
And, we propose a new resonant DC link dual converter system and confirm that the voltage stress of the resonant capacitor and the rms value of electrolytic capacitor current are decreased with experimental test also.