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无线电能传输系统最大输出功率点分析 被引量:1

Analysis of Maximum Output Power Point of Wireless Power Transfer System
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摘要 基于电路理论,针对磁耦合谐振式无线电能传输系统的传输距离问题,分析了传输距离对输出功率和传输效率的影响,进一步提出了最大输出功率点的具体计算方法。研究表明,随着传输距离的增加,系统的输出功率先增加,后减小,在其间某一点可以达到最大值,而系统的传输效率一直在减小。最后通过搭建实验平台,验证了理论推导的正确性,并且提出了优化电路的设计方法。 Based on the circuit theory,the transmission distance problem in wireless power transfer system via magnetic coupling resonance is dealed.The influence of transmission distance on output power and transmission efficiency is analyzed and the specific calculation method of maximum output power point is further proposed.Studies have shown that as the transmission distance increases,the output power of the system increases first and then decreases and the maximum value can be reached at a certain point in between,but the transmission efficiency of the system has been decreasing.Finally,the experimental platform is built to verify the correctness of the theory and the design method of the optimized circuit is proposed.
作者 童军 杨星晨 TONG Jun;YANG Xing-chen(Xi'an University of Science and Techology,Xi' an 710054,China)
出处 《电力电子技术》 CSCD 北大核心 2019年第7期63-65,共3页 Power Electronics
基金 国家自然科学基金(51307137).
关键词 无线电能传输 最大输出功率点 传输距离 wireless power transfer maximum output power point transmission distance
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