Determining Multiple Steady-State ZCS Operating Points of a Switch-Mode Contactless Power Transfer System

Determining Multiple Steady-State ZCS Operating Points of a Switch-Mode Contactless Power Transfer System
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确定开关模式非接触式电力传输系统的多个稳态 ZCS 工作点

DOI:
10.1109/tpel.2008.2007642
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发表时间:
2009-01
影响因子:
6.7
通讯作者:
Hu, Aiguo Patrick
Hu, Aiguo Patrick
中科院分区:
工程技术1区
文献类型:
--
作者:
Su, Yu Gang;Nguang, Sing Kiong;Sun, Yue;Sen Tang, Chun;Hu, Aiguo Patrick

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提出了一种精确确定开关型非接触电能传输系统所有可能稳态工作点的新方法。该方法是基于频闪映射模型和精确计算其对应的电路零电流开关(ZCS)条件的不动点。确定了四个稳态工作点,例如,电感-电容-电感(LCL)型CPT系统。确定了电压和电流波形以及开关周期。通过分岔图研究了参数对零电流系统周期的影响。PSpice仿真和实验结果都验证了该方法的有效性。研究结果为实际CPT系统在不同软开关频率下工作提供了新的机会。该方法对分析开关谐振电路和设计新型潮流控制器具有重要意义。
This paper presents a new method for accurately determining all possible steady-state operating points of a switch-mode contactless power transfer (CPT) system. The method is based on a stroboscopic mapping model and accurate calculation of its fixed points corresponding to circuit zero current switching (ZCS) conditions. Four steady-state operating points are identified for, e.g., inductor-capacitor-inductor ( LCL)-type CPT system. Voltage and current waveforms and switching periods are determined. Parameter influences on ZCS periods are studied by bifurcation diagrams. Both PSpice simulation and experimental results have verified the proposed method. The results provide new opportunities for a practical CPT system to operate at different soft switching frequencies. The method is very useful for analyzing switch-mode resonant circuits and designing new power flow controllers.
DOI: 10.1109/20.619710
发表时间: 1997-04
期刊: 1997 IEEE International Magnetics Conference (INTERMAG'97)
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