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学者姓名：陈庆彬
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Abstract ：
在无线电能传输(wireless power transfer,WPT)系统中,偏移是不可避免的,偏移会引起系统参数的变化从而影响系统的传输性能.基于S-S和P-S补偿拓扑,提出一种具有抗偏移特性的双耦合 SP-S 补偿的紧凑型 WPT 系统.该系统采用两个同轴布置、相互解耦的圆角方形线圈作为能量的发射线圈,其与单一方形接收线圈均有耦合,提升了 X方向和 Y 方向的抗偏移容忍度.通过谐振参数配置使接收线圈在偏移的过程中,一个线圈回路的输出增加,另一个线圈回路输出减少,从而使系统输出随接收线圈位置偏移波动平缓.提出方形解耦线圈结构参数的设计方法,并分析发射端并联补偿电容对输出抗偏移性能的影响.最后,搭建实验平台验证该方法的有效性与系统的抗偏移能力.
Keyword ：
双耦合 双耦合 抗偏移 抗偏移 无线电能传输 无线电能传输 解耦线圈 解耦线圈
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| GB/T 7714 | 谢文燕 , 陈为 , 陈庆彬 et al. 双耦合SP-S补偿紧凑型抗偏移WPT系统 [J]. | 中国电机工程学报 , 2024 , 44 (2) : 714-724,中插24 . |
| MLA | 谢文燕 et al. "双耦合SP-S补偿紧凑型抗偏移WPT系统" . | 中国电机工程学报 44 . 2 (2024) : 714-724,中插24 . |
| APA | 谢文燕 , 陈为 , 陈庆彬 , 江彦伟 . 双耦合SP-S补偿紧凑型抗偏移WPT系统 . | 中国电机工程学报 , 2024 , 44 (2) , 714-724,中插24 . |
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Abstract ：
Pad misalignment is almost inevitable in most wireless power transfer (WPT) systems, which leads to system performance degradation due to the variation of system parameters. Based on S-S and P-S compensation topology, this paper proposes a compact WPT system with dual-coupled SP-S compensation with anti-offset characteristics. Two coaxially arranged, mutually decoupled, rounded square coils are used as the energy transmitting coils, which are coupled with a single square receiving coil to improve the anti-offset tolerance in the X and Y directions. In the process of receiving coil offset, the output of one transmitting coil loop is increased and the output of the other coil loop is reduced by resonance parameter configuration, so that the system output fluctuates gently with the offset of the receiving coil. The design method of the structural parameters of the square decoupling coil is put forward and the influence of shunt compensation capacitance on the offset resistance of output is also analyzed. An experimental platform is built to verify the feasibility of the proposed method and the anti-misalignment performance of the proposed WPT system. ©2024 Chin.Soc.for Elec.Eng.
Keyword ：
Alignment Alignment Energy transfer Energy transfer Inductive power transmission Inductive power transmission
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| GB/T 7714 | Xie, Wenyan , Chen, Wei , Chen, Qingbin et al. Compact Anti-offset WPT System With Dual-coupled SP-S Compensation [J]. | Proceedings of the Chinese Society of Electrical Engineering , 2024 , 44 (2) : 714-724 . |
| MLA | Xie, Wenyan et al. "Compact Anti-offset WPT System With Dual-coupled SP-S Compensation" . | Proceedings of the Chinese Society of Electrical Engineering 44 . 2 (2024) : 714-724 . |
| APA | Xie, Wenyan , Chen, Wei , Chen, Qingbin , Jiang, Yanwei . Compact Anti-offset WPT System With Dual-coupled SP-S Compensation . | Proceedings of the Chinese Society of Electrical Engineering , 2024 , 44 (2) , 714-724 . |
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High-power inductors are fundamental components in high-power DC-DC converters, with their performance being a crucial metric of converter efficiency. This paper presents an in-depth analysis of a novel calculation method for the air gap length in such inductors. Taking into account the effects of air gap diffusion and the winding magnetic field, an expression for the air gap diffusion radius is derived, focusing on a distributed air gap structure. Furthermore, models for calculating the air gap and winding reluctance are developed, grounded in electromagnetic field theory. An equivalent magnetic circuit model, formulated based on Kirchhoff's second law, facilitates the proposed method for air gap length calculation. This study also involves the development of 3D models for both discrete and decoupled integrated inductors. The comparison between simulation outcomes and calculated air gap lengths indicates a maximum error of less than 8%, with the minimum error being as low as - 0.79%. Compared with traditional methods, the calculation method proposed in this paper has significant advantages. Additionally, the discrepancy between calculated values and experimental measurements is found to be 1.11%. These results validate the accuracy and applicability of the theoretical analysis and calculation method, underscoring their significance in the design and optimization of high-power DC-DC converters.
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| GB/T 7714 | Zeng, Xiaohui , Chen, Wei , Yang, Lei et al. An accurate calculation method for inductor air gap length in high power DC-DC converters [J]. | SCIENTIFIC REPORTS , 2024 , 14 (1) . |
| MLA | Zeng, Xiaohui et al. "An accurate calculation method for inductor air gap length in high power DC-DC converters" . | SCIENTIFIC REPORTS 14 . 1 (2024) . |
| APA | Zeng, Xiaohui , Chen, Wei , Yang, Lei , Chen, Qingbin , Huang, Yuping . An accurate calculation method for inductor air gap length in high power DC-DC converters . | SCIENTIFIC REPORTS , 2024 , 14 (1) . |
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Abstract ：
Capacitive power transfer (CPT) technique uses coupled metal plates for energy transmission, which has the advantages of negligible eddy-current loss and low weight. To achieve efficient power transfer, CPT system often adopts circuit resonance and impedance compensation, which are generally realized by integer-order components, such as inductors and capacitors. However, it remains a fundamental challenge to create a CPT system whose transfer efficiency and output power are robust against the variation of resonant frequency and the coupled plates’ relative position. Therefore, this paper proposes a robust fractional-order autonomous CPT system containing a fractional-order inductor. Theoretical analysis shows that the transfer efficiency and output power of the proposed fractional-order CPT system are inherently robust not only to the variation of the coupled plates’ relative position but also to the resonant frequency. In contrast, the transfer efficiency and output power of traditional integer-order CPT systems are sensitive to the resonant frequency. The available experimental results verify the effectiveness of the proposed system. IEEE
Keyword ：
Autonomous Autonomous Capacitive power transfer Capacitive power transfer Capacitors Capacitors Couplings Couplings Fractional-order Fractional-order Inductors Inductors Receivers Receivers Resonant frequency Resonant frequency RLC circuits RLC circuits Robust transmission Robust transmission Transmitters Transmitters
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| GB/T 7714 | Jiang, Y. , Zhou, Y. , Zhang, B. et al. A Robust Capacitive Power Transfer System via Fractional-order Autonomous Circuit [J]. | IEEE Journal of Emerging and Selected Topics in Power Electronics , 2024 , 12 (3) : 1-1 . |
| MLA | Jiang, Y. et al. "A Robust Capacitive Power Transfer System via Fractional-order Autonomous Circuit" . | IEEE Journal of Emerging and Selected Topics in Power Electronics 12 . 3 (2024) : 1-1 . |
| APA | Jiang, Y. , Zhou, Y. , Zhang, B. , Chen, W. , Chen, Q. , Shu, X. . A Robust Capacitive Power Transfer System via Fractional-order Autonomous Circuit . | IEEE Journal of Emerging and Selected Topics in Power Electronics , 2024 , 12 (3) , 1-1 . |
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Abstract ：
The ignition module is the start-up of the pulsed plasma thrusters (PPT), in which the high-voltage pulse transformer is the most important component, as its output characteristics can affect the reliability of PPT ignition. This article discusses the influence of the parasitic parameters of the high-voltage pulse transformer on the output pulse waveform. It reveals that the leakage inductance of the high-voltage pulse transformer is the root factor affecting the output voltage's rise time, while parasitic capacitance and excitation inductance have little influence and can be ignored in most real applications. The smaller the leakage inductance of the high-voltage pulse transformer, the better the overall performance of the output pulse voltage waveform. The toroidal high-voltage pulse transformer's leakage inductance mechanism is analyzed based on the electromagnetic field principle, and the theoretical calculation model of leakage inductance is established. Furthermore, the high-voltage pulse transformer optimization guideline is proposed. The optimized high-voltage pulse transformer can reduce leakage inductance by 71.8%. Finally, the experimental results verify the theoretical analysis to be correct and useful.
Keyword ：
High-voltage techniques High-voltage techniques Ignition Ignition Ignition module Ignition module Inductance Inductance leakage inductance leakage inductance optimization design optimization design Plugs Plugs pulsed plasma thrusters (PPT) pulsed plasma thrusters (PPT) pulse transformers pulse transformers Pulse transformers Pulse transformers Sparks Sparks Windings Windings
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| GB/T 7714 | Yang, Lei , Huang, Yuping , Zhao, Xu et al. Parasitic Parameters Design Consideration and Its Optimization Technique of High-Voltage Pulse Transformer for Ignition Module [J]. | IEEE TRANSACTIONS ON PLASMA SCIENCE , 2024 , 52 (5) : 1765-1774 . |
| MLA | Yang, Lei et al. "Parasitic Parameters Design Consideration and Its Optimization Technique of High-Voltage Pulse Transformer for Ignition Module" . | IEEE TRANSACTIONS ON PLASMA SCIENCE 52 . 5 (2024) : 1765-1774 . |
| APA | Yang, Lei , Huang, Yuping , Zhao, Xu , Zeng, Xiaohui , Chen, Qingbin , Hou, Zhanlin . Parasitic Parameters Design Consideration and Its Optimization Technique of High-Voltage Pulse Transformer for Ignition Module . | IEEE TRANSACTIONS ON PLASMA SCIENCE , 2024 , 52 (5) , 1765-1774 . |
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Abstract ：
Wireless power transfer is widely used due to its safety and convenience. The rectification circuit is an important part of the WPT system. Different rectification circuits and input parameters may lead to different responses and output gains in the actual applications. Usually, the fundamental harmonic analysis method is adopted to analyze the WPT system's performance. However, this method cannot present the differences between different parameter applications. It is because only the fundamental harmonic is taken into consideration. In this paper, the influence of harmonics is studied. Moreover, the equivalent impedance model of the rectification circuits is built. It can take the input and rectification circuit parameters into consideration, which is quite different from the traditional method. Based on the equivalent impedance model of the rectification circuits, the response model of the WPT system can be analyzed. Finally, a WPT system is used for the validation. The key waveforms calculation results are almost the same as the measured results. It verifies the proposed method to be correct and useful. It provides a good basis for WPT system optimization. © 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.
Keyword ：
Fundamental harmonic analysis Fundamental harmonic analysis Rectification circuit Rectification circuit Wireless power transfer Wireless power transfer
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| GB/T 7714 | Xie, B. , Wang, J. , Lu, Z. et al. Analysis and Modeling of Response Characteristics Under Actual Rectifier Parameters in the Wireless Power Transfer System [未知]. |
| MLA | Xie, B. et al. "Analysis and Modeling of Response Characteristics Under Actual Rectifier Parameters in the Wireless Power Transfer System" [未知]. |
| APA | Xie, B. , Wang, J. , Lu, Z. , Chen, W. , Chen, Q. . Analysis and Modeling of Response Characteristics Under Actual Rectifier Parameters in the Wireless Power Transfer System [未知]. |
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As an important part of the magnetic resonant wireless power transfer technology, the rectifier circuit plays a key role. The quality of its performance will directly affect the transmission efficiency of the WPT system. This paper proposes the full-bridge and voltage-doubler rectifier loss calculation models combined with the circuit structures and operating principle. On this basis, it reveals that the voltage-doubler rectifier circuit can greatly reduce the loss and improve the overall efficiency of the WPT system in the case of high voltage and low current, and the optimized effect will be greater as the decreasing of equivalent resistance ESR of the filter capacitor. Experimental results show that the efficiency of the WPT system based on the voltage-doubler rectifier structure can be increased by 2% compared to the traditional method, and the optimized efficiency of the WPT system is 93% at rated operating conditions, which verifies the theory analysis to be correct and flexible. © 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.
Keyword ：
Efficiency optimization Efficiency optimization Loss modeling Loss modeling Voltage-doubler rectifier circuit Voltage-doubler rectifier circuit Wireless power transfer Wireless power transfer
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| GB/T 7714 | Zhang, X. , Chen, Q. , Chen, W. . Loss Analysis of Rectifier Circuit and Its Optimization Technique in Wireless Power Transfer System [未知]. |
| MLA | Zhang, X. et al. "Loss Analysis of Rectifier Circuit and Its Optimization Technique in Wireless Power Transfer System" [未知]. |
| APA | Zhang, X. , Chen, Q. , Chen, W. . Loss Analysis of Rectifier Circuit and Its Optimization Technique in Wireless Power Transfer System [未知]. |
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Abstract ：
在不含磁芯的无线电能传输WPT(wireless power transmission)系统中,由磁耦合系统引起的损耗是系统损耗的主要组成部分之一,而磁耦合系统的损耗由接收线圈、发射线圈的电阻以及流经收发线圈的电流所决定.结合串/串S/S(series/series)补偿拓扑无线电能传输的电路响应特性,分析磁耦合系统的线圈感量、线圈电阻与线圈匝数的关系,提出了根据发射、接收线圈电流工况调整收发线圈匝数的磁耦合系统线圈匝数组合优化设计方案.绕制3组不同匝数组合的收发线圈(含优化匝数组合及两组对照匝数组合线圈)用以验证优化方案的可行性.仿真及实验结果均表明:在相同工况下,优化组合方案的线圈总损耗均低于对照组,且整体样机的效率均高于对照组.
Keyword ：
串/串补偿 串/串补偿 无线电能传输 无线电能传输 磁耦合系统 磁耦合系统 线圈优化 线圈优化
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| GB/T 7714 | 王聪 , 陈庆彬 , 杨丰钢 et al. 无线电能传输磁耦合系统损耗优化 [J]. | 电源学报 , 2023 , 21 (3) : 108-116 . |
| MLA | 王聪 et al. "无线电能传输磁耦合系统损耗优化" . | 电源学报 21 . 3 (2023) : 108-116 . |
| APA | 王聪 , 陈庆彬 , 杨丰钢 , 邓小龙 . 无线电能传输磁耦合系统损耗优化 . | 电源学报 , 2023 , 21 (3) , 108-116 . |
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Wireless power transfer (WPT) technology has been widely studied and used in academia and industry. However, the system's efficiency is still the bottleneck of WPT technology. Moreover, the magnetic coupling system's loss usually occupies much of the total loss. Furthermore, the magnetic coupling system's core loss is hard to model and optimize due to the uneven flux density distribution in the magnetic core. Therefore, this paper analyzes the magnetic flux density inside the magnetic coupling system's magnetic core with a spiral winding structure. It reveals that the flux density is quite uneven in the magnetic core, and the core loss dominates where the flux density peaks. Based on it, a new varied section of the magnetic core structure is proposed. An approximate even flux density distribution can be obtained with the proposed structure, and 37.14% can greatly reduce the core loss. Considering the proposed method's manufacturing difficulty, a double-section improvement method of the magnetic core structure is proposed. With the double-section improvement method, the flux density can be evener compared to the traditional unique section method. The core loss can be effectively reduced. Finally, a 3kW electric vehicle's WPT system is taken for experiments. The double-section method can improve the total efficiency by 0.8%, the machine maximum efficiency reaches 95.3%. It verifies the proposed method to be correct and useful. © 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.
Keyword ：
Core loss Core loss Magnetic coupling structure optimization Magnetic coupling structure optimization S/SP compensation network S/SP compensation network Wireless power transfer (WPT) Wireless power transfer (WPT)
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| GB/T 7714 | Lan, Y. , Fan, F. , Deng, X. et al. Loss Analysis of Magnetic Core and Its Structure Optimization of Magnetic Coupling Structure in Wireless Power Transfer System [未知]. |
| MLA | Lan, Y. et al. "Loss Analysis of Magnetic Core and Its Structure Optimization of Magnetic Coupling Structure in Wireless Power Transfer System" [未知]. |
| APA | Lan, Y. , Fan, F. , Deng, X. , Chen, W. , Chen, Q. . Loss Analysis of Magnetic Core and Its Structure Optimization of Magnetic Coupling Structure in Wireless Power Transfer System [未知]. |
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Capacitive power transfer (CPT) technique has the advantages of negligible eddy-current loss, low cost and low weight, and so on. The circuit theory is currently used to model the CPT system to analyze its transfer characteristics, but the order of the circuit model is high and the analytical solution is complex. Coupled-mode theory model is a universal model that can be used to model coupled systems with low order and simple calculation. However, the coupled-mode theory has not been used to model the CPT system, and its applicability in the CPT system has not been analyzed. Therefore, this paper analyzes the coupled-mode theory model of the CPT system. Firstly, the general coupled-mode model of the CPT system is derived from the circuit theory, and the relationship between coupled-mode parameters and circuit parameters are analyzed. Theoretical analysis shows that the coupled-mode theory model is equivalent to the circuit model when the coupling capacitance is far less than the compensation capacitance and the natural resonance frequencies of the transmitter and receiver are close. Then, the transfer efficiency and power of CPT are also deduced based on the coupled-mode theory model. Finally, the simulated and experimental results verify the correctness of the theoretical analysis and the effectiveness of the coupled-mode theory model of the CPT system. © 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.
Keyword ：
Capacitive power transfer Capacitive power transfer Coupled-mode theory Coupled-mode theory Mathematical model Mathematical model
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| GB/T 7714 | Zhou, Y. , Yang, J. , Zhang, Y. et al. Applicability Analysis of Coupled-Mode Theory Model in Capacitive Power Transfer System [未知]. |
| MLA | Zhou, Y. et al. "Applicability Analysis of Coupled-Mode Theory Model in Capacitive Power Transfer System" [未知]. |
| APA | Zhou, Y. , Yang, J. , Zhang, Y. , Chen, Q. , Jiang, Y. . Applicability Analysis of Coupled-Mode Theory Model in Capacitive Power Transfer System [未知]. |
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