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学者姓名：张艺明
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Abstract ：
Three-port dc-dc converters (TPCs) integrate renewable energy systems, energy storage systems, and loads, which have the characteristics of high integration and high reliability. This article proposes a high-gain TPC with soft-switching for renewable energy system applications. In various operating modes of the proposed converter, all switches can achieve zero voltage switching turn-ON and all diodes can achieve zero current switching turn-OFF, which can effectively improve the efficiency of the converter. In addition, the coupled inductor achieves zero dc bias, which can reduce the magnetic size and core loss. The working principle, performance analysis, efficiency analysis, parameter design, energy management and control and of the proposed converter are presented. A 300-W experimental prototype with a 45-V photovoltaic voltage, a 90-V battery voltage, and a 380-V load voltage is built to verify the feasibility and correctness of the converter.
Keyword ：
Batteries Batteries Capacitors Capacitors Coupled inductor Coupled inductor DC-DC power converters DC-DC power converters high gain high gain High-voltage techniques High-voltage techniques Inductors Inductors Renewable energy sources Renewable energy sources Switches Switches three-port converter three-port converter Topology Topology Voltage Voltage zero current switching (ZCS) zero current switching (ZCS) Zero voltage switching Zero voltage switching zero voltage switching (ZVS) zero voltage switching (ZVS)
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| GB/T 7714 | Zhou, Mingzhu , Liu, Chao , Xie, Ronghuan et al. A High-Gain Three-Port DC-DC Converter With Soft-Switching for Renewable Energy System Applications [J]. | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (1) : 1508-1518 . |
| MLA | Zhou, Mingzhu et al. "A High-Gain Three-Port DC-DC Converter With Soft-Switching for Renewable Energy System Applications" . | IEEE TRANSACTIONS ON POWER ELECTRONICS 40 . 1 (2025) : 1508-1518 . |
| APA | Zhou, Mingzhu , Liu, Chao , Xie, Ronghuan , Zhuang, Yizhan , Mao, Xingkui , Zhang, Yiming . A High-Gain Three-Port DC-DC Converter With Soft-Switching for Renewable Energy System Applications . | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (1) , 1508-1518 . |
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A novel passive current sharing method for a multiphase wireless power transfer (WPT) system is proposed in this letter. For an N-phase inverter, there would be N compensating inductors in the inductor-capacitor-capacitor series (LCC-S) compensated WPT system. The proposed scheme introduces N external parallel resonant branches coupled with these N compensating inductors. In this way, an extremely large impedance is introduced in each loop of the circulating currents so as to balance the phase currents. No additional passive components with the rated power level are added to the power transfer channel. The proposed method employs two coupled inductors, which is easy to realize. Two new integrated structures for coupled inductors are introduced. The mathematical model and the current sharing principle of the proposed method are analyzed in detail. A 1.6-kW LCC-S compensated WPT experimental prototype with a four-phase inverter and the experimental results verify the effectiveness of the proposed current sharing method.
Keyword ：
Coupled Coupled Couplings Couplings current sharing current sharing Inductance Inductance Inductors Inductors Inverters Inverters Legged locomotion Legged locomotion paralleled paralleled Prototypes Prototypes resonant branch resonant branch Voltage Voltage wireless power transfer (WPT) wireless power transfer (WPT)
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| GB/T 7714 | Liu, Rongbin , Xie, Ronghuan , Chen, Xiaoying et al. Current Sharing for a Multiphase Inverter Based on Coupled External Parallel Resonant Branches for Wireless Power Transfer System [J]. | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (1) : 71-75 . |
| MLA | Liu, Rongbin et al. "Current Sharing for a Multiphase Inverter Based on Coupled External Parallel Resonant Branches for Wireless Power Transfer System" . | IEEE TRANSACTIONS ON POWER ELECTRONICS 40 . 1 (2025) : 71-75 . |
| APA | Liu, Rongbin , Xie, Ronghuan , Chen, Xiaoying , Mao, Xingkui , Li, Zhongqi , Zhang, Yiming . Current Sharing for a Multiphase Inverter Based on Coupled External Parallel Resonant Branches for Wireless Power Transfer System . | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (1) , 71-75 . |
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为提升宽电压增益下电动汽车的充电效率,提出了通过重构变压器匝比提升宽电压增益双有源桥(DAB)变换器传输效率的新兴实验技术.首先,介绍了 DAB 变换器的特点并分析了其在宽电压增益条件下存在的不足,提出了重构 DAB 变换器的变压器匝比的实验思路,并分析了其可行性.其次,提出了分别采用双变压器和多绕组变压器重构变压器匝比的两种电路拓扑,并设计了相应的控制方法和实验平台.最后,实验结果验证了所提技术的有效性,能够加深学生对于宽电压增益电动汽车充电技术的认识,扩展学生在电力电子学科的实验创新思维.
Keyword ：
双有源桥变换器 双有源桥变换器 宽电压增益 宽电压增益 电动汽车充电 电动汽车充电 重构变压器匝比 重构变压器匝比
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| GB/T 7714 | 张艺明 , 谢鸿彪 , 张韬 et al. 可重构变压器匝比的宽电压增益DAB变换器实验技术 [J]. | 实验技术与管理 , 2025 , 42 (3) : 28-36 . |
| MLA | 张艺明 et al. "可重构变压器匝比的宽电压增益DAB变换器实验技术" . | 实验技术与管理 42 . 3 (2025) : 28-36 . |
| APA | 张艺明 , 谢鸿彪 , 张韬 , 陈孝莺 , 程翔鹏 . 可重构变压器匝比的宽电压增益DAB变换器实验技术 . | 实验技术与管理 , 2025 , 42 (3) , 28-36 . |
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Abstract ：
To improve the efficiency of isolated bidirectional dc-dc converters for off-board dc charging over a wide voltage gain, such as dual active bridge (DAB) and inductor-inductor-capacitor (LLC) resonant converters, this article proposes an approach to reconfiguring transformer turn ratio using multibridge-legs (RTTMBL). The proposed RTTMBL approach reconfigures a large number of turn-ratio combinations by adding a few auxiliary components. The different combinations of turn ratio are selected for different operating conditions to match the primary and secondary voltages of the converter, obtaining a lower inductor rms current and a wider zero-voltage switching (ZVS) range, thus reducing conduction and switching loss. This article first analyzes the principle of the proposed approach and describes the application of RTTMBL on DAB (DAB-RTTMBL) converter. Second, the DAB-RTTMBL is compared with the existing solutions regarding inductor rms current and ZVS range. Finally, a DAB-RTTMBL converter prototype with a power of 1kW and a voltage gain varying from 0.4 to 2.5 is built to verify the effectiveness of RTTMBL, which has six turn-ratio combinations. The results demonstrate the great potential of the proposed RTTMBL for wide-voltage-gain applications.
Keyword ：
Batteries Batteries Bridge circuits Bridge circuits Dual active bridge (DAB) Dual active bridge (DAB) Inductors Inductors Legged locomotion Legged locomotion LLC LLC reconfigurable transformer turns ratio reconfigurable transformer turns ratio Resonant converters Resonant converters Switches Switches Topology Topology Transformers Transformers wide voltage range wide voltage range Windings Windings Zero voltage switching Zero voltage switching
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| GB/T 7714 | Xie, Hongbiao , Zhang, Tao , Rao, Peiyao et al. An Approach to Reconfiguring Transformer Turn Ratio Using Multibridge-Legs for Wide-Voltage-Gain DAB and LLC Converters [J]. | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS , 2025 . |
| MLA | Xie, Hongbiao et al. "An Approach to Reconfiguring Transformer Turn Ratio Using Multibridge-Legs for Wide-Voltage-Gain DAB and LLC Converters" . | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS (2025) . |
| APA | Xie, Hongbiao , Zhang, Tao , Rao, Peiyao , Xie, Ronghuan , Chen, Xiaoying , Mao, Xingkui et al. An Approach to Reconfiguring Transformer Turn Ratio Using Multibridge-Legs for Wide-Voltage-Gain DAB and LLC Converters . | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS , 2025 . |
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For automated guided vehicles (AGVs), the charging current is generally high to shorten the charging time. To achieve a high-current output, parallel connections are often chosen to distribute the current evenly across multiple coils or systems. This letter proposes a high-current output method based on intertwined receiving coils and split compensation capacitors. The receiving coil is split into four intertwined coils. They are arranged in such a way that the four coils are symmetrical to each other even with offset. Meanwhile, part or all of the compensating capacitors on the receiving side can also be split into four branches, connecting to the corresponding four receiving coils. It is proved that for the coil structure proposed when the whole compensating capacitors are split into four branches, the current difference of the four coils is the smallest. An experimental prototype is implemented. The experimental results show that the proposed method can achieve good current balancing performance of the four receiving coils even under the conditions of load change and coil position offset.
Keyword ：
Capacitors Capacitors Coils Coils Couplings Couplings Current sharing Current sharing Equivalent circuits Equivalent circuits high-current output high-current output Impedance Impedance Inductance Inductance Inductors Inductors intertwined coil intertwined coil Resonance Resonance split compensating capacitors split compensating capacitors Topology Topology Voltage Voltage wireless power transfer (WPT) wireless power transfer (WPT)
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| GB/T 7714 | Zhang, Yiming , Ouyang, Hongjing , Zhang, Tao et al. High-Current Output for AGV Wireless Charging System With Intertwined Receiving Coils and Split Compensating Capacitors [J]. | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (7) : 8923-8927 . |
| MLA | Zhang, Yiming et al. "High-Current Output for AGV Wireless Charging System With Intertwined Receiving Coils and Split Compensating Capacitors" . | IEEE TRANSACTIONS ON POWER ELECTRONICS 40 . 7 (2025) : 8923-8927 . |
| APA | Zhang, Yiming , Ouyang, Hongjing , Zhang, Tao , Xie, Ronghuan , Chen, Xiaoying , Cheng, Xiangpeng et al. High-Current Output for AGV Wireless Charging System With Intertwined Receiving Coils and Split Compensating Capacitors . | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (7) , 8923-8927 . |
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设计了一套以DSP28335为核心控制器的电动汽车光伏无线充电实验平台.分析光伏发电系统的工作原理,搭建了基于Simulink仿真的光伏模型,并对最大功率点跟踪(MPPT)算法进行了验证;建立了无线充电LCC-S拓扑的数学模型,分析其输出特性,并通过Maxwell软件仿真确定了线圈的结构参数;分别就光伏发电和无线充电两方面进行硬件电路设计和实验验证.实验结果表明,光伏侧实现了 MPPT,线圈侧实现了功率传递.学生可通过该实验平台和实验案例,更加深入地了解光伏电池模型的输出特性,以及无线电能传输的运行机理.
Keyword ：
光伏发电 光伏发电 教学实践 教学实践 无线充电 无线充电
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| GB/T 7714 | 项佳豪 , 范梓言 , 林伯桢 et al. 电动汽车光伏供电无线充电系统的实验平台研制 [J]. | 实验室研究与探索 , 2025 , 44 (2) : 47-51 . |
| MLA | 项佳豪 et al. "电动汽车光伏供电无线充电系统的实验平台研制" . | 实验室研究与探索 44 . 2 (2025) : 47-51 . |
| APA | 项佳豪 , 范梓言 , 林伯桢 , 庄一展 , 张艺明 . 电动汽车光伏供电无线充电系统的实验平台研制 . | 实验室研究与探索 , 2025 , 44 (2) , 47-51 . |
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Dynamic wireless power transmission (DWPT) is a promising technology as it reduces the battery capacity carried by automated guided vehicles and lowers its cost and weight. However, there are large mutual inductance and power fluctuation in the dynamic charging process. In order to solve this problem, this letter proposes a low-cost and low-fluctuation dual-receiver magnetic coupler, which is connected in parallel by two half-bridge rectifiers. The transmitter employs an I-type solenoid coil to enhance the magnetic field and improve the coupling. The optimized design of the coupler structure enables the system to have smooth mutual inductance fluctuation by switching the two receiving coils with each other during the dynamic charging process. The experimental results show that the measured equivalent mutual inductance fluctuation is 3.6%, which verifies the feasibility of the optimized design of the magnetic coupling structure and the effectiveness of the proposed DWPT system.
Keyword ：
Automated guided vehicles (AGVs) Automated guided vehicles (AGVs) dual receiver (Rx) dual receiver (Rx) dynamic wireless power transfer (DWPT) dynamic wireless power transfer (DWPT) smooth mutual inductance fluctuation smooth mutual inductance fluctuation
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| GB/T 7714 | Zhang, Yiming , Zhou, Hangyan , Xie, Ronghuan et al. A Smooth-Output Dynamic Wireless Charging System for Automated Guided Vehicles With Dual-Receiver Magnetic Coupler [J]. | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (4) : 4711-4715 . |
| MLA | Zhang, Yiming et al. "A Smooth-Output Dynamic Wireless Charging System for Automated Guided Vehicles With Dual-Receiver Magnetic Coupler" . | IEEE TRANSACTIONS ON POWER ELECTRONICS 40 . 4 (2025) : 4711-4715 . |
| APA | Zhang, Yiming , Zhou, Hangyan , Xie, Ronghuan , Mao, Xingkui , Chen, Xiaoying , Li, Zhongqi . A Smooth-Output Dynamic Wireless Charging System for Automated Guided Vehicles With Dual-Receiver Magnetic Coupler . | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (4) , 4711-4715 . |
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There are constant-current (CC) and constant-voltage (CV) charging or multistage CC charging with different CC or CV levels for different electric vehicles. Accommodating multiple output levels is challenging for a wireless power transfer (WPT) system. In addition, maintaining high efficiency and output stability during misalignment is required for practical applications. To meet the above requirements, dual-channel WPT systems with reconfigurable series-parallel switchers (RSPS) are proposed in this article. With the RSPS connected to both input and output ports of two power channels, the range of CV or CC output can be lifted to fourfold. The proposed systems are compatible with full-bridge and half-bridge switching that provides more output levels. Strong misalignment tolerance is achieved by the hybrid topologies. An experimental prototype is established to verify the proposed WPT systems. The results have revealed that the proposed systems can provide a wide CV or CC output range and maintain output stability with efficiency up to 93.3% under a misalignment distance from 0 to 100 mm.
Keyword ：
Coils Coils Constant current (CC) Constant current (CC) constant-voltage (CV) constant-voltage (CV) hybrid topology hybrid topology Inductance Inductance inductive power transfer (IPT) inductive power transfer (IPT) Inverters Inverters misalignment tolerance misalignment tolerance Receivers Receivers Switches Switches Topology Topology Transformers Transformers Voltage Voltage Voltage control Voltage control wide-range output wide-range output Wireless power transfer Wireless power transfer wireless power transfer (WPT) wireless power transfer (WPT)
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| GB/T 7714 | Zhang, Yiming , Zhou, Yicheng , Zheng, Yingyao et al. Dual-Channel Wireless Power Transfer Systems With Reconfigurable Series-Parallel Switchers on Both Input and Output Ports for Wide Constant-Voltage or Constant-Current Range and Misalignment Tolerance [J]. | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS , 2025 . |
| MLA | Zhang, Yiming et al. "Dual-Channel Wireless Power Transfer Systems With Reconfigurable Series-Parallel Switchers on Both Input and Output Ports for Wide Constant-Voltage or Constant-Current Range and Misalignment Tolerance" . | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS (2025) . |
| APA | Zhang, Yiming , Zhou, Yicheng , Zheng, Yingyao , Xie, Ronghuan , Chen, Xiaoying , Mao, Xingkui . Dual-Channel Wireless Power Transfer Systems With Reconfigurable Series-Parallel Switchers on Both Input and Output Ports for Wide Constant-Voltage or Constant-Current Range and Misalignment Tolerance . | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS , 2025 . |
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A common and urgent problem in electric vehicle (EV) wireless charging technology is the accidental entry of metal objects (MOs) into the charging area where there is no direct physical contact. Eddy currents can be induced in the MOs, generating a large amount of heat and potentially leading to serious consequences such as fire. The current commercially applied MO detection (MOD) technology has the problems of low detection sensitivity, affecting the power transmission magnetic field, and the existence of blind zones. In view of these shortcomings, a MOD system for wireless charging of EVs is proposed in this article. Long strip detection coils are designed and placed above the transmitter coil. Each strip detection coil is composed of 16 unipolar coils having alternating polarities, which can realize decoupling between the detection coil and the transmitter coil and eliminate the interference to the magnetic field of the wireless power transmission system. A third-order Sallen-Key high pass filter and a proportional amplifier circuit are used to improve the sensitivity and accuracy of MOD. Finally, an experimental platform of MOD for EV wireless charging is built, and the proposed system can detect the existence of MOs sensitively and accurately at the location where they may exist.
Keyword ：
Coils Coils Detection coil Detection coil electric vehicle (EV) electric vehicle (EV) Electrification Electrification inductance change inductance change metal object detection (MOD) metal object detection (MOD) Metals Metals Strips Strips Transportation Transportation Wireless communication Wireless communication wireless power transfer (WPT) wireless power transfer (WPT) Wireless sensor networks Wireless sensor networks
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| GB/T 7714 | Wang, Hui , Zheng, Yingyao , Zhou, Yicheng et al. Blind-Zone-Free Metal Object Detection System for Wireless EV Charging System Employing Strip Multipolar Detection Coils [J]. | IEEE TRANSACTIONS ON TRANSPORTATION ELECTRIFICATION , 2025 , 11 (1) : 4420-4428 . |
| MLA | Wang, Hui et al. "Blind-Zone-Free Metal Object Detection System for Wireless EV Charging System Employing Strip Multipolar Detection Coils" . | IEEE TRANSACTIONS ON TRANSPORTATION ELECTRIFICATION 11 . 1 (2025) : 4420-4428 . |
| APA | Wang, Hui , Zheng, Yingyao , Zhou, Yicheng , Wu, Yuanchao , Pan, Wenbin , Shen, Zhiwei et al. Blind-Zone-Free Metal Object Detection System for Wireless EV Charging System Employing Strip Multipolar Detection Coils . | IEEE TRANSACTIONS ON TRANSPORTATION ELECTRIFICATION , 2025 , 11 (1) , 4420-4428 . |
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The bipolar dc microgrid system has the advantages of high reliability, high flexibility, and high efficiency. By introducing coupled-inductor and switched-capacitor step-up units on Boost bipolar output converter, a three-winding coupled-inductor high-voltage-gain soft-switching dc-dc converter with bipolar outputs is proposed in this article. The proposed converter has the advantages of low input current ripple, high-voltage-gain, and low voltage stress of switches, and can flexibly adjust bipolar output voltage by duty ratio of the main switch and turns ratio of the coupled-inductor. Meanwhile, all switches achieve zero voltage switching (ZVS) turn-on and all diodes achieve zero current switching (ZCS) turn-off, which creates conditions for the converter to operate at high frequencies and efficiency. Finally, a 100 kHz 200 W 32 to 190 V and -190 V experimental prototype is built to validate the feasibility of the proposed converter. The efficiency of the proposed bipolar output converter is 96.27% at the rated power.
Keyword ：
Bipolar dc microgrid system Bipolar dc microgrid system Capacitors Capacitors high-voltage-gain high-voltage-gain High-voltage techniques High-voltage techniques Inductors Inductors Microgrids Microgrids Reliability Reliability Renewable energy sources Renewable energy sources three-winding coupled-inductor three-winding coupled-inductor Voltage Voltage Windings Windings Zero current switching Zero current switching zero current switching (ZCS) zero current switching (ZCS) Zero voltage switching Zero voltage switching zero voltage switching (ZVS) zero voltage switching (ZVS)
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| GB/T 7714 | Zhou, Mingzhu , Liu, Chao , Zhuang, Yizhan et al. A Three-Winding Coupled-Inductor High-Voltage-Gain Soft-Switching DC-DC Converter With Bipolar Outputs [J]. | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS , 2025 . |
| MLA | Zhou, Mingzhu et al. "A Three-Winding Coupled-Inductor High-Voltage-Gain Soft-Switching DC-DC Converter With Bipolar Outputs" . | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS (2025) . |
| APA | Zhou, Mingzhu , Liu, Chao , Zhuang, Yizhan , Zhang, Yiming . A Three-Winding Coupled-Inductor High-Voltage-Gain Soft-Switching DC-DC Converter With Bipolar Outputs . | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS , 2025 . |
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