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A novel pseudo-continuous conduction mode (PCCM) boost power-factor-correction (PFC) converter and its corresponding control strategy are proposed in this paper. Connecting a power switch in parallel with the inductor makes the boost converter operate in PCCM, which provides an additional degree of control freedom to realize PFC control. Therefore, a simple and fast voltage control loop of the PCCM...
Converters operating in discontinuous-conduction-mode (DCM) and continuous-conduction-mode (CCM) are suitable for light and heavy loads respectively. A novel tri-state boost PFC converter is proposed in this paper, which benefits with reduced line current harmonics, improved power factor and wide load variation range, while preserves cost, size and fast response advantages of conventional DCM boost...
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