Integrated control method for constant output voltage and maximum efficiency tracking of bilateral LCL compensation ICPT system

Integrated control method for constant output voltage and maximum efficiency tracking of bilateral LCL compensation ICPT system
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双边LCL补偿ICPT系统恒定输出电压和最大效率跟踪集成控制方法

DOI:
10.1049/iet-epa.2020.0133
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发表时间:
2020-06
影响因子:
1.7
通讯作者:
Wu Xiaojie
Wu Xiaojie
中科院分区:
工程技术4区
文献类型:
--
作者:
Xia Chenyang;Li Xinyu;Sun Qiqi;Liao Zhijuan;Wu Xiaojie

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电感耦合功率传输(ICPT)系统现在更希望以最高效率提供恒定的输出电压,这将受到源(输入电压)和负载(负载电阻)条件的影响。针对这一问题,提出了一种综合控制方法,在负载侧采用基于Buck-Boost电路的有源阻抗匹配技术,在逆变器侧采用鲁棒H ∞控制技术。这种控制方案允许两种技术同时应用并独立操作。本文采用双向电感-电容电感ICPT补偿系统对所提出的方法进行了测试,具有代表性,也适用于其他典型的补偿拓扑,具有一定的通用性。最后,建立了一个实验平台。实验结果表明,在同时存在20%输入电压扰动和50%负载变化的情况下,系统能够实现24 V恒压输出和84.53%的效率跟踪,表明了所提出的集成控制方法的有效性。
: Inductive coupled power transfer (ICPT) systems are now more desired to provide constant output voltage with the highest efficiency, which will be affected by source (input voltage) and load (load resistance) conditions. To address this issue, an integrated control method is proposed in this study, which is realised by using the active impedance matching technology based on the buck -boost circuit on the load side and the robust H ∞ control technology on the inverter side. This control scheme allows both two technologies to be applied simultaneously and independently operated. The bilateral inductor -capacitor inductor ICPT compensation system is used here to test the proposed method, which is representative, and it is also applicable to other typical compensation topologies and has a certain universality. Finally, an experimental platform is established. Experimental results show that the system can achieve 24 V constant output voltage and 84.53% efficiency tracking under the condition of simultaneous 20% input voltage disturbance and 50% load change, which shows the effectiveness of the proposed integrated control method.
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