Design of Single Phase SiC Bidirectional DC-AC Converter with Low-Cost PLL for Power Factor Correction

Abstract

The paper presents the design stages of a single-phase Silicon Carbide bidirectional DC-AC converter. This includes the LCL filter design responsible to meet grid connection requirements. A 3kW laboratory prototype of the power converter is built employing a low-cost phase locked loop and its results are presented. The design of the low-cost phase locked loop and its implementation are depicted in some detail.

Subject Areas: SiC bidirectional AC-DC converter; inverter; variable frequency; PLL; LCL filter

Authors

Alexandre Bento* , Sérgio André , Ricardo Luís , J. Fernando Silva

*Author to whom correspondence should be addressed.

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