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PFC 컨버터용 부스트 인덕터 파레토 최적화 방안 연구
현예지(Ye-Ji Hyeon),이동인(Dong-In Lee),정성욱(Seong-Wook Jeong),김원준(Won-Jun Kim),이상윤(Sang-Yun Lee),장근호(Geun-Ho Jang),최현준(Hyun-Jun Choi),윤한신(Han-Shin Youn) 전력전자학회 2023 전력전자학회 논문지 Vol.28 No.5
This paper proposed an inductor optimal design algorithm in terms of volume and loss when designing a boost inductor for PFC. Inductors occupy a large volume in the converter, and reducing the volume of the inductor is necessary to improve power density. However, a smaller volume corresponds to a greater maximum flux density, thereby leading to higher losses. The Pareto optimization technique was applied to design an inductor optimized for volume and loss, which show a trade-off relationship. This paper also proposed an algorithm for efficiently generating a Pareto set of volume and loss optimization problems of inductors. This algorithm was applied to the boost inductor of the interleaved totem-pole bridgeless PFC converter, and its effectiveness was verified through experiments.