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首页> 外文期刊>Emerging and Selected Topics in Power Electronics, IEEE Journal of >Analysis and Control of Series/Series-Parallel Compensated Resonant Converter for Contactless Power Transfer
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Analysis and Control of Series/Series-Parallel Compensated Resonant Converter for Contactless Power Transfer

机译：用于非接触式电力传输的串/串并联补偿谐振变换器的分析与控制

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摘要

Series/series (S/S) and series/parallel (S/P) compensations are widely used in contactless power transfer systems. However, the inductive input impedance of the S/S compensated converter operating at an output voltage gain intersection point impairs the system’s efficiency, and the output voltage of the S/P compensated converter operating at resonant frequency is quite sensitive to variation of transformer’s parameters caused by air gap change or misalignment. This paper proposes a novel series/series–parallel (S/SP) compensation topology to achieve both high efficiency and good output controllability. The frequency-domain and time-domain analyses of the proposed resonant converter are performed in this paper. Similar to the conventional resonant converters, both phase-locked-loop (PLL) control and fixed-frequency control can be employed. A 60-W prototype with PLL control and a 1.5-kW prototype with fixed-frequency control are built to verify the theoretical analysis. To perform the input-to-output voltage gain comparison, an S/P compensated converter is also fabricated. Experimental results verify the effectiveness of the proposed compensation method. The efficiency of the fabricated S/SP prototype reaches 95.2% at an output power of 1.5 kW with a 10-cm air gap between windings.
机译：串联/串联（S / S）和串联/并联（S / P）补偿广泛用于非接触式功率传输系统。但是，在输出电压增益交点处工作的S / S补偿转换器的电感输入阻抗会损害系统的效率，并且在谐振频率下工作的S / P补偿转换器的输出电压对引起的变压器参数变化非常敏感。气隙变化或未对准。本文提出了一种新颖的串联/串联-并联（S / SP）补偿拓扑，以实现高效率和良好的输出可控性。本文对所提出的谐振变换器进行了频域和时域分析。与传统的谐振转换器相似，可以采用锁相环（PLL）控制和固定频率控制。为了验证理论分析，建立了具有PLL控制的60W原型和具有固定频率控制的1.5kW原型。为了执行输入至输出电压增益比较，还制造了一个S / P补偿转换器。实验结果证明了该补偿方法的有效性。制成的S / SP原型在1.5 kW的输出功率和绕组之间有10厘米气隙的情况下效率达到95.2％。

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