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This paper proposes a new type of ac–ac converter which can operate as traditional noninverting buck and boost converters, and inverting buck–boost converter as well. The proposed converter uses six unidirectional current flowing and bidirectional voltage blocking switches, implemented by six reverse blocking insulated-gate bipolar transistors (IGBTs) or series <sc>mosfet</sc>–diode pairs,...
In this paper, a new type of ac-ac converter is proposed which can operate as traditional non-inverting buck and boost converter or inverting buck-boost converter. The proposed converter is immune from shorting of voltage source even when all switches are turned on simultaneously, and therefore, PWM switching dead-times are eliminated to produce high quality output waveform. Owning to the benefit...
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