|本期目录/Table of Contents|

[1]陈希有,刘玉昆. 具有稳流输出的无线电能传输电路[J].电机与控制学报,2014,18(08):30-35.
 CHEN Xi-you,LIU Yu-kun. Wireless power transmission circuit with constant current output[J].,2014,18(08):30-35.
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
18
期数:
2014年08
页码:
30-35
栏目:
出版日期:
2014-11-30

文章信息/Info

Title:
 Wireless power transmission circuit with constant current output
作者:
 陈希有 刘玉昆
 大连理工大学电气工程学院,辽宁大连116024
Author(s):
 CHEN Xi-you LIU Yu-kun
 College of Electrical Engineering,Dalian University of Technology,Dalian 116024,China
关键词:
 无线电能传输 稳流输出 谐振补偿 磁场耦合 电场耦合
Keywords:
 wireless power transmission constant current output resonant compensation magnetic fieldcoupling electric field coupling
分类号:
-
DOI:
-
文献标志码:
A
摘要:
 针对LC 串联谐振和并联谐振在工作频率发生漂移时,电路整体功率传输能力及效率都会
明显下降的问题,提出一种一次侧带有LCC( 电感-电容-电容) 复合谐振网络的无线电能传输电
路。依据互感模型,在基波条件下,分别建立了耦合线圈一次侧与二次侧的等效电路,得到了谐振
频率和输出电流表达式,并进一步导出了复合谐振网络中电感与电容的计算公式。实验结果表明,
谐振频率与负载电阻无关,在谐振频率下,当耦合线圈的距离保持不变( 即互感恒定) 时,输出电流
的有效值恒定,具有电流源特性。通过实验与仿真结果的比较,验证了对该电路分析与设计结果的
正确性和有效性。因此该电路适合于需要电流源供电的负载,经改进后还可用于电场耦合式无线
电能传输。
Abstract:
 In order to eliminate the decrease of transmission power and efficiency when the working frequency
drifts in LC series resonance and parallel resonance,a wireless power transmission circuit with
LCC ( inductor-capacitor-capacitor) composite resonant network in primary side was proposed. Based on
mutual inductance coupling model of the two coils,the equivalent circuit models of primary-side and secondary-
side were derived under the condition of the fundamental wave,respectively. With these equivalent
circuits,the closed-form expressions for resonant frequency and output current were obtained. Furthermore,
the expressions of inductor and capacitors in composite resonant network were deduced. It is
demonstrated that the resonant frequency is irrespective of the load changing. Under the condition of resonant
frequency,the RMS value of output current is constant when the distance between the two coupling
coils remains unchanging,that is,the mutual inductance keeps constant. The circuit has the characteristics
of current source. At last,the experimental and simulation results demonstrate that the circuit design
and analysis are valid. Therefore,the circuit is suitable for the load supplied by current source. Besides,
it can be adapted to electric field coupling wireless power transmission

参考文献/References:

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备注/Memo

备注/Memo:
更新日期/Last Update: 2014-11-28