Modeling and Control of Double-Sided LCC Compensation Topology with Semi-Bridgeless Active Rectifier for Inductive Power Transfer Systemopen access
- Authors
- Cha, Hwa-Rang; Kim, Rae-Young; Park, Kyung-Ho; Choi, Yeong-Jun
- Issue Date
- Oct-2019
- Publisher
- MDPI
- Keywords
- inductive power transfer; semi-bridgeless active rectifier; extended describing function
- Citation
- ENERGIES, v.12, no.20, pp.1 - 19
- Indexed
- SCIE
SCOPUS
- Journal Title
- ENERGIES
- Volume
- 12
- Number
- 20
- Start Page
- 1
- End Page
- 19
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/147051
- DOI
- 10.3390/en12203921
- ISSN
- 1996-1073
- 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.
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