| 磁耦合谐振三线圈无线电能传输的交叉耦合效应及电抗补偿 |
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| 引用本文： | 罗斌,刘婉,钟晨明,宁峰,吴仕闯.磁耦合谐振三线圈无线电能传输的交叉耦合效应及电抗补偿[J].电力系统自动化,2015,39(8):105-112. |
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| 作者姓名： | 罗斌 刘婉 钟晨明 宁峰 吴仕闯 |
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| 作者单位： | 南昌大学信息工程学院,江西省南昌市,330031 |
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| 基金项目： | 国家自然科学基金资助项目(61461031) |
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| 摘 要： | 在具有中继线圈的磁谐振耦合无线电能传输系统中,非相邻线圈的交叉耦合有可能对系统的工作状态产生扰动,这通常导致系统传输功率和效率的降低。针对单中继线圈的无线电能传输系统,从其等效电路归一化模型入手,详细分析发射线圈和接收线圈之间的交叉耦合对各回路电流和系统传输功率、效率的影响。给出了交叉耦合效应是否可忽略的判定条件,并提出了一种简便的在各回路中通过附加串联电抗以补偿三线圈(发射—中继—接收)无线电能传输系统交叉耦合效应的方法,通过数值仿真计算和实验证明了该方法的可行性。
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| 关 键 词： | 无线电能传输 磁耦合谐振 中继谐振器 交叉耦合 |
| 收稿时间： | 8/4/2014 12:00:00 AM |
| 修稿时间： | 2015/3/19 0:00:00 |
Cross Coupling Effect and Reactance Compensation Method for Three-coil Magnetic Coupling Resonant Wireless Power Transmission System |
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| LUO Bin,LIU Wan,ZHONG Chenming,NING Feng and WU Shichuang.Cross Coupling Effect and Reactance Compensation Method for Three-coil Magnetic Coupling Resonant Wireless Power Transmission System[J].Automation of Electric Power Systems,2015,39(8):105-112. |
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| Authors: | LUO Bin LIU Wan ZHONG Chenming NING Feng and WU Shichuang |
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| Affiliation: | School of Information Engineering, Nanchang University, Nanchang 330031, China,School of Information Engineering, Nanchang University, Nanchang 330031, China,School of Information Engineering, Nanchang University, Nanchang 330031, China,School of Information Engineering, Nanchang University, Nanchang 330031, China and School of Information Engineering, Nanchang University, Nanchang 330031, China |
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| Abstract: | In a magnetic resonance coupling wireless power transmission system (WPT) with relay resonator coils, the cross coupling between nonadjacent coils may disturb the operation status of the system which often leads to reduction in the transmission power and efficiency. For the WPT system with single relay resonator (repeater), by proceeding from the normalized equivalent circuit model, the effects of cross coupling between the transmitter coil and receiving one on the circuit current and the transmission power and efficiency of system are analyzed in detail. The conditions for judging whether the cross coupling is negligible or not are given. Meanwhile a convenient technique of inserting additional series reactance in circuits to make up for the cross coupling effect in the transmitter-repeater-receiver WPT system is proposed and its feasibility is verified via numerical simulation calculations and experiments. This work is supported by National Natural Science Foundation of China (No. 61461031). |
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| Keywords: | wireless power transmission (WPT) magnetic resonance coupling relay resonator cross coupling |
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