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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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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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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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In inductive power transfer (IPT) systems, maintaining a stable output when the coils are significantly misaligned remains a challenge. The design of detuned circuits is considered one of the effective solutions to address this issue. However, in previous studies, commonly used unipolar coils exhibit a rapid decrease in coupling coefficient when misalignment occurs, which limits the system's tolerance to misalignment. To overcome this limitation, this paper establishes a mathematical model of the bilateral detuned series-series (S-S) topology and theoretically analyzes the relationship between the detuning factor and output fluctuations. Based on this, a cascade coil composed of unipolar and quadrupole coils is used to meet the required specifications. This effectively reduces output fluctuations during misalignment. Experimental results indicate that when the $X$ and $Y$ directions are within 50% of the coil size, the system's output fluctuation is only 1.28%. © 2025 IEEE.
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| GB/T 7714 | Zhang, Yiming , Rao, Peiyao , Xie, Ronghuan et al. A Dual-Side-Detuned Series-Series Compensated Inductive Power Transfer System with Plane Misalignment Tolerance [C] . 2025 : 527-530 . |
| MLA | Zhang, Yiming et al. "A Dual-Side-Detuned Series-Series Compensated Inductive Power Transfer System with Plane Misalignment Tolerance" . (2025) : 527-530 . |
| APA | Zhang, Yiming , Rao, Peiyao , Xie, Ronghuan , Wang, Hui . A Dual-Side-Detuned Series-Series Compensated Inductive Power Transfer System with Plane Misalignment Tolerance . (2025) : 527-530 . |
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Power balancing topology is an effective solution to the photovoltaic power mismatch problem in a medium voltage dc system. However, the existing power balancing topologies are all based on a chain structure, in which the mismatched power needs to be transferred through multiple power balancing units (PBUs). In the case of severe power mismatch, the accumulated balancing power is very large, resulting in increased system power losses and current stress on the switches. To solve this problem, a circular power balancing topology is proposed in this article. By connecting another PBU between the first and last submodules of the modular converter, the power balancing path becomes circular. With this new structure adopted, there are two paths for power transfer between any two SMs. An optimization method is also proposed to reduce the current stress by half. Compared with an existing scheme, the proposed topology is able to improve the power efficiency. The theoretical analysis is verified by simulation and experiment. © 2025 IEEE.
Keyword ：
DC distribution systems DC distribution systems
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| GB/T 7714 | Zhuang, Yizhan , Liu, Fei , Zhu, Hongxi et al. Circular Power Balancing Topology and Power Flow Optimization Strategy for Solving PV Power Mismatch Problem of Modular MVDC Converters [J]. | IEEE Transactions on Power Electronics , 2025 , 40 (7) : 9933-9943 . |
| MLA | Zhuang, Yizhan et al. "Circular Power Balancing Topology and Power Flow Optimization Strategy for Solving PV Power Mismatch Problem of Modular MVDC Converters" . | IEEE Transactions on Power Electronics 40 . 7 (2025) : 9933-9943 . |
| APA | Zhuang, Yizhan , Liu, Fei , Zhu, Hongxi , Diao, Xiaoguang , Zhang, Yiming , Sun, Yuan . Circular Power Balancing Topology and Power Flow Optimization Strategy for Solving PV Power Mismatch Problem of Modular MVDC Converters . | IEEE Transactions on Power Electronics , 2025 , 40 (7) , 9933-9943 . |
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In the medium- and high-capacity power applications, typically multiple switches connected in series and parallel are used in power electronic converters to handle high voltages and currents. Powering the driving circuits and auxiliary units with high insulation requirements is challenging. This article proposes a modular multioutput wireless power transfer system with constant-current (CC) output characteristics for auxiliary power supply. Compared with conventional solutions, there is no need for complex control circuits and much magnetic material. The dual-frequency topology with CC outputs is derived by applying the analytical method that used to obtain the dual-frequency topology with constant-voltage (CV) outputs. The conditions for the system to maintain zero phase angle at different frequencies are discussed. Lower output fluctuations than single-frequency multioutput systems and dual-frequency CV output systems are verified. A magnetic coupler with integrated compensation inductors is designed to eliminate the need for discrete inductors and improve the power density. An experimental prototype is built to verify the validity of the theory. The WPT system achieves an output current fluctuation of no more than 4.78%, a maximum system efficiency higher than 85%, and an output power of more than 10 W at a single port, which can well meet the requirements of auxiliary power supply.
Keyword ：
Auxiliary power supply (APS) Auxiliary power supply (APS) Capacitors Capacitors Circuits Circuits Coils Coils constant-current (CC) constant-current (CC) dual frequency dual frequency Equivalent circuits Equivalent circuits Inductors Inductors Insulation Insulation modularity modularity Power supplies Power supplies Rectifiers Rectifiers Resonant frequency Resonant frequency Topology Topology wireless power transfer (WPT) wireless power transfer (WPT)
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| GB/T 7714 | Pan, Wenxuan , Liu, Rongbin , Xie, Ronghuan et al. A Multi-Output Modular Wireless Power Transfer System With Constant-Current Characteristic [J]. | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (4) : 6272-6281 . |
| MLA | Pan, Wenxuan et al. "A Multi-Output Modular Wireless Power Transfer System With Constant-Current Characteristic" . | IEEE TRANSACTIONS ON POWER ELECTRONICS 40 . 4 (2025) : 6272-6281 . |
| APA | Pan, Wenxuan , Liu, Rongbin , Xie, Ronghuan , Zhuang, Yizhan , Mao, Xingkui , Zhang, Yiming . A Multi-Output Modular Wireless Power Transfer System With Constant-Current Characteristic . | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (4) , 6272-6281 . |
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Electric vehicle charging platforms in the market are usually rated as 400 or 800 V, so the wireless charging system of electric vehicles must effectively supply power for these two voltage platforms. It is also an urgent problem to keep the output stable in the case of misalignment. The antioffset wireless charging system based on the reconfigurable coupling coupler is proposed. A coupling structure is reconfigured by a switch to charge a 400- or 800-V charging platform at the same power level. Simultaneously, an additional set of quadrupole receiving coils is connected in series to compensate for the reduced mutual inductance when offset occurs. To verify the proposed wireless power transfer system, a scaled-down experimental prototype was built. The results show that the highest dc-dc efficiency of the system is 93.66% and 94.27% at the voltage level of 200 and 400 V, respectively, and has good misalignment tolerance in two perpendicular directions.
Keyword ：
Batteries Batteries Battery voltage Battery voltage Coils Coils Couplers Couplers Couplings Couplings Electric vehicles Electric vehicles electric vehicles (EVs) electric vehicles (EVs) Inductance Inductance misalignment tolerance misalignment tolerance Silicon Silicon Switches Switches Topology Topology Voltage Voltage wide output voltage range wide output voltage range wireless power transfer (WPT) wireless power transfer (WPT)
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| GB/T 7714 | Shen, Zhiwei , Xie, Ronghuan , Liu, Chao et al. An Electric Vehicle Wireless Charging System With 400-V and 800-V Battery Tolerance and Strong Offset Resistance [J]. | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (4) : 4722-4726 . |
| MLA | Shen, Zhiwei et al. "An Electric Vehicle Wireless Charging System With 400-V and 800-V Battery Tolerance and Strong Offset Resistance" . | IEEE TRANSACTIONS ON POWER ELECTRONICS 40 . 4 (2025) : 4722-4726 . |
| APA | Shen, Zhiwei , Xie, Ronghuan , Liu, Chao , Yu, Xingpeng , Cheng, Xiangpeng , Zhang, Yiming . An Electric Vehicle Wireless Charging System With 400-V and 800-V Battery Tolerance and Strong Offset Resistance . | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (4) , 4722-4726 . |
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With the development of electric vehicles (EVs), there are two rated voltage levels for lithium-ion batteries, namely 400 and 800 V. Given the interoperability performance of public wireless power transfer (WPT) facilities, EV WPT systems should efficiently transmit power for both battery options. In this letter, a method is proposed by combining the coupling structure with a reconfigurable inductor-capacitor-capacitor (LCC) compensation network to enable charging EVs with the nominal battery voltage (NBV) of 400 or 800 V at the same power level, while maintaining high efficiency. The secondary LCC compensation is reconfigured so that the equivalent compensating inductance is varied. The mathematical model is established. The downscaled experimental prototype achieves a dc-dc efficiency of 95.34 and 92.40% for the output voltages of 200 and 400 V at the power level of 1.5 kW, respectively. The feasibility of the proposed system has been verified under the condition of alignment and misalignment of two sets of coupling coils.
Keyword ：
Batteries Batteries Coils Coils Control systems Control systems Couplings Couplings Electric vehicles (EVs) Electric vehicles (EVs) Electrons Electrons Inductance Inductance interoperability interoperability nominal battery voltage (NBV) nominal battery voltage (NBV) Prototypes Prototypes Switches Switches Topology Topology Wireless power transfer Wireless power transfer wireless power transfer (WPT) wireless power transfer (WPT)
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| GB/T 7714 | Liu, Chao , Zhou, Mingzhu , Xie, Ronghuan et al. An Interoperable Receiver With Reconfigurable LCC Compensation for Wireless Charging of 400-and 800-V Batteries in Electric Vehicles [J]. | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS , 2025 , 72 (8) : 8710-8714 . |
| MLA | Liu, Chao et al. "An Interoperable Receiver With Reconfigurable LCC Compensation for Wireless Charging of 400-and 800-V Batteries in Electric Vehicles" . | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS 72 . 8 (2025) : 8710-8714 . |
| APA | Liu, Chao , Zhou, Mingzhu , Xie, Ronghuan , Chen, Xiaoying , Mao, Xingkui , Zhang, Yiming . An Interoperable Receiver With Reconfigurable LCC Compensation for Wireless Charging of 400-and 800-V Batteries in Electric Vehicles . | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS , 2025 , 72 (8) , 8710-8714 . |
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The output voltage of a magnetically resonance-coupled wireless power transfer (WPT) system is very sensitive to the coil alignment. In this paper, a novel quadrupole coil structure as a receiving coil for static charging of automated guided vehicles (AGVs) is proposed to improve the mutual inductance profile under XOY plane misalignment conditions during AGV charging. The enhanced coil structure effectively reduces the output power and voltage fluctuations. An experimental prototype is established to validate the feasibility of the proposed WPT system. The experimental results show that the output voltage fluctuation is only 10.85% over a 77.78% coil area offset area covering the whole charging plane.
Keyword ：
automatic-guided vehicles (AGVS) automatic-guided vehicles (AGVS) LCC-S LCC-S misalignment tolerance misalignment tolerance offset-resistant offset-resistant wireless power transfer (WPT) wireless power transfer (WPT)
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| GB/T 7714 | Rao, Peiyao , Liu, Chao , Zhou, Mingzhu et al. A Coil With All-Plane High Misalignment Tolerance for Wireless Power Transfer [J]. | INTERNATIONAL JOURNAL OF CIRCUIT THEORY AND APPLICATIONS , 2025 . |
| MLA | Rao, Peiyao et al. "A Coil With All-Plane High Misalignment Tolerance for Wireless Power Transfer" . | INTERNATIONAL JOURNAL OF CIRCUIT THEORY AND APPLICATIONS (2025) . |
| APA | Rao, Peiyao , Liu, Chao , Zhou, Mingzhu , Zhuang, Yizhan , Zhang, Yiming . A Coil With All-Plane High Misalignment Tolerance for Wireless Power Transfer . | INTERNATIONAL JOURNAL OF CIRCUIT THEORY AND APPLICATIONS , 2025 . |
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