期刊
IEEE TRANSACTIONS ON POWER ELECTRONICS
卷 33, 期 12, 页码 10135-10147出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPEL.2018.2801247
关键词
Current doubler; inductive power transfer (IPT); material handling; pickup controller; resonant power conversion
资金
- Government of New Zealand under Prime Minister's Science Prize 2013
Inductive power transfer systems deployed in material handling have traditionally used parallel-tuned (current-sourced) boost regulators to independently control and regulate the load on each secondary. This paper evaluates the current doubler as an alternative parallel-tuned secondary controller within this application to better match the current and voltage requirements in the secondary resonant tuning network in high-power applications. This enables designs that enable the secondary magnetic pickup to achieve a smaller profile and fit within typical space constraints of material-handling vehicles. This paper presents the design approach needed for this regulator and compares its operation and performance against a traditional boost controller using both the simulation and the measurement of two built 5-kW secondary regulators. The current doubler naturally achieves a lower output ripple due to its interleaved switching and is found to have a comparable efficiency to the boost controller but requires slightly more components.
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