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中文摘要：
在非接触电能传输（CPT）系统中,由于耦合回路的存在,增加了系统参数设计及工作特性分析的难度。用去耦等效电路模型对4种拓扑结构下的CPT系统进行分析,将互感耦合回路变换为普通串并联电路,推导出了原耦合回路中关键参数的计算公式。然后主要针对串联-串联（SS）型CPT系统,分析其输出电压、输出功率和效率等工作特性,并对负载电阻进行优化设计以实现系统能量高效地传输。最后,在此参数设计的基础上对它的工作特性分析结果进行仿真验证。
英文摘要：
Due to the coupling circuit in the system, the analysis of parameter design and performance characteristics may be more difficult in contactless power transmission（CPT） system. Four kinds of topology structures were analyzed using a decoupling equivalent circuit model of CPT system. In this way, the inductive coupling circuit was changed to common series-parallel circuit and the computational formulas of key parameters was deduced in coupling circuit. Then focusing on series-series CPT system, the output voltage, output power, efficiency, etc were analyzed, and the load resistance was optimally designed in order to realize energy transmission efficient. Finally, the simulations verified the analysis result of performance characteristics based on the parameter design.
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