Modeling and Control of Double-Sided LCC Compensation Topology with Semi-Bridgeless Active Rectifier for Inductive Power Transfer System

Hwa-Rang Cha, Rae-Young Kim, Kyung-Ho Park and Yeong-Jun Choi
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Hwa-Rang Cha: The Department of Electrical and Biomedical Engineering, Hanyang University, Seoul 04763, Korea
Rae-Young Kim: The Department of Electrical and Biomedical Engineering, Hanyang University, Seoul 04763, Korea
Kyung-Ho Park: The Department of Electrical and Biomedical Engineering, Hanyang University, Seoul 04763, Korea
Yeong-Jun Choi: New & Renewable Energy Laboratory, Korea Electric Power Research Institute (KEPRI), Korea Electric Power Company (KEPCO), 105 Munji-Ro, Yuseong-gu, Daejeon 34056, Korea

Energies, 2019, vol. 12, issue 20, 1-19

Abstract: This paper proposes the modeling and design of a controller for an inductive power transfer (IPT) system with a semi-bridgeless active rectifier (S-BAR). This system consists of a double-sided Inductor-Capacitor-Capacitor (LCC) compensation network and an S-BAR, and maintains a constant output voltage under load variation through the operation of the rectifier switches. Accurate modeling is essential to design a controller with good performance. However, most of the researches on S-BAR have focused on the control scheme for the rectifier switches and steady-state analysis. Therefore, modeling based on the extended describing function is proposed for an accurate dynamic analysis of an IPT system with an S-BAR. Detailed mathematical analyses of the large-signal model, steady-state operating solution, and small-signal model are provided. Nonlinear large-signal equivalent circuit and linearized small-signal equivalent circuit are presented for intuitive understanding. In addition, worst case condition is selected under various load conditions and a controller design process is provided. To demonstrate the effectiveness of the proposed modeling, experimental results using a 100 W prototype are presented.

Keywords: inductive power transfer; semi-bridgeless active rectifier; extended describing function (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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