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学者姓名:陈孝莺

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A Smooth-Output Dynamic Wireless Charging System for Automated Guided Vehicles With Dual-Receiver Magnetic Coupler SCIE
期刊论文 | 2025 , 40 (4) , 4711-4715 | IEEE TRANSACTIONS ON POWER ELECTRONICS
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Abstract :

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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A Smooth-Output Dynamic Wireless Charging System for Automated Guided Vehicles With Dual-Receiver Magnetic Coupler EI
期刊论文 | 2025 , 40 (4) , 4711-4715 | IEEE Transactions on Power Electronics
A Smooth-Output Dynamic Wireless Charging System for Automated Guided Vehicles with Dual-Receiver Magnetic Coupler Scopus
期刊论文 | 2024 , 40 (4) , 4711-4715 | IEEE Transactions on Power Electronics
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 SCIE
期刊论文 | 2025 | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
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Abstract :

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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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 Scopus
期刊论文 | 2025 | IEEE Transactions on Industrial Electronics
Current Sharing for a Multiphase Inverter Based on Coupled External Parallel Resonant Branches for Wireless Power Transfer System SCIE
期刊论文 | 2025 , 40 (1) , 71-75 | IEEE TRANSACTIONS ON POWER ELECTRONICS
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Abstract :

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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Current Sharing for a Multiphase Inverter Based on Coupled External Parallel Resonant Branches for Wireless Power Transfer System Scopus
期刊论文 | 2024 , 40 (1) , 71-75 | IEEE Transactions on Power Electronics
Current Sharing for a Multiphase Inverter Based on Coupled External Parallel Resonant Branches for Wireless Power Transfer System EI
期刊论文 | 2025 , 40 (1) , 71-75 | IEEE Transactions on Power Electronics
A Self-Adaptive Dual-Channel LCC-S Detuned Topology for Misalignment Tolerance in AUV Wireless Power Transfer Systems SCIE
期刊论文 | 2025 , 40 (3) , 4630-4639 | IEEE TRANSACTIONS ON POWER ELECTRONICS
WoS CC Cited Count: 11
Abstract&Keyword Cite Version(3)

Abstract :

The traditional method for achieving misalignment tolerance using two detuned circuits depends on output sampling and communication between the primary and secondary sides. This article proposes a self-adaptive dual-channel detuned compensation topology to achieve a stable output for wireless charging of autonomous underwater vehicles (AUVs). In the low coupling coefficient interval, power is transferred through both channels; in the high coupling coefficient interval, power is transferred through only one channel. The mode switching process occurs naturally without additional switches or control. Two sets of arc-shaped coils are employed as the two channels, forming dual arc-shaped coil sets, without cross-coupling between them. Due to the symmetrical magnetic couplers, the mutual inductances of the two channels respond similarly to both rotational and axial misalignment. A 1.6-kW experimental prototype for the AUV wireless charging is built to validate the feasibility of the proposal. The output voltage fluctuation of the system is 8% within the coupling coefficient interval of [0.2, 0.6]. The system can still maintain over 89% transmission efficiency in the worst case.

Keyword :

Arc-shaped Arc-shaped autonomous underwater vehicle (AUV) autonomous underwater vehicle (AUV) Capacitance Capacitance Circuits Circuits Coils Coils Couplings Couplings detuned detuned dual-channel dual-channel Inductance Inductance misalignment tolerance misalignment tolerance Resonance Resonance self-adaptive self-adaptive Switches Switches Topology Topology Transmitters Transmitters wireless charging wireless charging Wireless power transfer Wireless power transfer

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GB/T 7714 Tang, Hongmin , Liu, Chao , Pan, Wenxuan et al. A Self-Adaptive Dual-Channel LCC-S Detuned Topology for Misalignment Tolerance in AUV Wireless Power Transfer Systems [J]. | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (3) : 4630-4639 .
MLA Tang, Hongmin et al. "A Self-Adaptive Dual-Channel LCC-S Detuned Topology for Misalignment Tolerance in AUV Wireless Power Transfer Systems" . | IEEE TRANSACTIONS ON POWER ELECTRONICS 40 . 3 (2025) : 4630-4639 .
APA Tang, Hongmin , Liu, Chao , Pan, Wenxuan , Rao, Peiyao , Zhuang, Yizhan , Chen, Xiaoying et al. A Self-Adaptive Dual-Channel LCC-S Detuned Topology for Misalignment Tolerance in AUV Wireless Power Transfer Systems . | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (3) , 4630-4639 .
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A Self-Adaptive Dual-Channel LCC-S Detuned Topology for Misalignment Tolerance in AUV Wireless Power Transfer Systems Scopus
期刊论文 | 2025 , 40 (3) , 4630-4639 | IEEE Transactions on Power Electronics
A Self-Adaptive Dual-Channel LCC-S Detuned Topology for Misalignment Tolerance in AUV Wireless Power Transfer Systems EI
期刊论文 | 2025 , 40 (3) , 4630-4639 | IEEE Transactions on Power Electronics
A Self-Adaptive Dual-Channel LCC-S Detuned Topology for Misalignment Tolerance in AUV Wireless Power Transfer Systems Scopus
期刊论文 | 2024 | IEEE Transactions on Power Electronics
An Approach to Reconfiguring Transformer Turn Ratio Using Multibridge-Legs for Wide-Voltage-Gain DAB and LLC Converters SCIE
期刊论文 | 2025 | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
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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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High-Current Output for AGV Wireless Charging System With Intertwined Receiving Coils and Split Compensating Capacitors SCIE
期刊论文 | 2025 , 40 (7) , 8923-8927 | IEEE TRANSACTIONS ON POWER ELECTRONICS
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Abstract :

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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High-Current Output for AGV Wireless Charging System with Intertwined Receiving Coils and Split Compensating Capacitors EI
期刊论文 | 2025 , 40 (7) , 8923-8927 | IEEE Transactions on Power Electronics
Interoperability and Misalignment Tolerance of Electric Vehicle Wireless Charging System Based on Multiple Self-Decoupled Transmitting Coils and Vector Synthesis Strategy SCIE
期刊论文 | 2025 , 40 (5) , 7512-7522 | IEEE TRANSACTIONS ON POWER ELECTRONICS
Abstract&Keyword Cite Version(3)

Abstract :

In wireless power transfer (WPT) systems for electric vehicles (EVs), interoperability and misalignment tolerance for different receiving charging terminals meet great demands. In this article, a hybrid topology with a vector synthesis strategy and highly integrated magnetic couplers are proposed to achieve misalignment tolerance and interoperability for unipolar (Q), bipolar (DD), and quadrupolar (QUA) coils over the X and Y misalignments. By adjusting the phase angles of the four half-bridge inverters under different misalignments, the output voltage fluctuation can be limited. The mathematical model of the proposed hybrid topology is established and the vector synthesis strategy is introduced. The magnetic couplers and the design principle are presented. A 2-kW prototype is built to verify the proposed system. The experimental results demonstrate that the output voltage fluctuation under misalignments is less than 3.1% for the Rx Q coil, 3.3% for the Rx DD coil, and 4.3% for the Rx QUA coil, and the peak efficiency is 89.3%.

Keyword :

Coils Coils Couplers Couplers Couplings Couplings Ferrites Ferrites Fluctuations Fluctuations Highly integrated magnetic couplers Highly integrated magnetic couplers hybrid topology hybrid topology Inductors Inductors interoperability interoperability Inverters Inverters misalignment tolerance misalignment tolerance Topology Topology Vectors Vectors vector synthesis strategy vector synthesis strategy wireless power transfer (WPT) wireless power transfer (WPT)

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GB/T 7714 Zhang, Yiming , Huang, Zhongjin , Shen, Zhiwei et al. Interoperability and Misalignment Tolerance of Electric Vehicle Wireless Charging System Based on Multiple Self-Decoupled Transmitting Coils and Vector Synthesis Strategy [J]. | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (5) : 7512-7522 .
MLA Zhang, Yiming et al. "Interoperability and Misalignment Tolerance of Electric Vehicle Wireless Charging System Based on Multiple Self-Decoupled Transmitting Coils and Vector Synthesis Strategy" . | IEEE TRANSACTIONS ON POWER ELECTRONICS 40 . 5 (2025) : 7512-7522 .
APA Zhang, Yiming , Huang, Zhongjin , Shen, Zhiwei , Xie, Ronghuan , Chen, Xiaoying , Mao, Xingkui . Interoperability and Misalignment Tolerance of Electric Vehicle Wireless Charging System Based on Multiple Self-Decoupled Transmitting Coils and Vector Synthesis Strategy . | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (5) , 7512-7522 .
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Interoperability and Misalignment Tolerance of Electric Vehicle Wireless Charging System based on Multiple Self-Decoupled Transmitting Coils and Vector Synthesis Strategy Scopus
期刊论文 | 2025 | IEEE Transactions on Power Electronics
Interoperability and Misalignment Tolerance of Electric Vehicle Wireless Charging System Based on Multiple Self-Decoupled Transmitting Coils and Vector Synthesis Strategy Scopus
期刊论文 | 2025 , 40 (5) , 7512-7522 | IEEE Transactions on Power Electronics
Interoperability and Misalignment Tolerance of Electric Vehicle Wireless Charging System Based on Multiple Self-Decoupled Transmitting Coils and Vector Synthesis Strategy EI
期刊论文 | 2025 , 40 (5) , 7512-7522 | IEEE Transactions on Power Electronics
Y-Source Coupled Inductor Based High Voltage Gain DC-DC Converter With Zero Input Current Ripple SCIE
期刊论文 | 2025 , 13 (1) , 199-213 | IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS
WoS CC Cited Count: 1
Abstract&Keyword Cite Version(2)

Abstract :

A Y-source coupled inductor-based high voltage gain dc-dc converter with zero input current ripple (ZICR) is proposed in this article. ZICR is achieved by adding an auxiliary circuit which is composed of an inductor, a capacitor, and a coupled inductor in series. The presence of the capacitor results in an average zero current passing through the ZICR structure. Therefore, a small size magnetic core can be used to design the inductor, which can reduce the volume and copper loss of the magnetic components. In addition, a Y-source coupled inductor along with a voltage multiplier is used to achieve high voltage. The inherent passive clamp circuit effectively restricts the off-voltage spike and voltage stress across the switch. By utilizing capacitors to absorb the leakage energy, zero current switching (ZCS) turn-off of all diodes is achieved and mitigates the reverse-recovery issues of the converter. A 200 W 32-380 V 50 kHz experimental prototype is built to verify the feasibility of this converter. Within the output power range of 40-200 W, the efficiency of the prototype with the ZICR structure is higher than that without this structure. The maximum efficiency of the converter with the ZICR structure and without it are 95.9% and 95.6%, respectively.

Keyword :

DC-DC converter DC-DC converter high voltage gain high voltage gain Y-source coupled inductor Y-source coupled inductor zero input current ripple (ZICR) zero input current ripple (ZICR)

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GB/T 7714 Xu, Yuzhen , Zhang, Yueling , Zhou, Mingzhu et al. Y-Source Coupled Inductor Based High Voltage Gain DC-DC Converter With Zero Input Current Ripple [J]. | IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS , 2025 , 13 (1) : 199-213 .
MLA Xu, Yuzhen et al. "Y-Source Coupled Inductor Based High Voltage Gain DC-DC Converter With Zero Input Current Ripple" . | IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS 13 . 1 (2025) : 199-213 .
APA Xu, Yuzhen , Zhang, Yueling , Zhou, Mingzhu , Xie, Ronghuan , Mao, Xingkui , Chen, Xiaoying et al. Y-Source Coupled Inductor Based High Voltage Gain DC-DC Converter With Zero Input Current Ripple . | IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS , 2025 , 13 (1) , 199-213 .
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Y-source Coupled Inductor Based High Voltage Gain DC-DC Converter with Zero Input Current Ripple Scopus
期刊论文 | 2024 , 13 (1) , 199-213 | IEEE Journal of Emerging and Selected Topics in Power Electronics
Y-Source Coupled Inductor Based High Voltage Gain DC-DC Converter with Zero Input Current Ripple EI
期刊论文 | 2025 , 13 (1) , 199-213 | IEEE Journal of Emerging and Selected Topics in Power Electronics
An Interoperable Receiver With Reconfigurable LCC Compensation for Wireless Charging of 400-and 800-V Batteries in Electric Vehicles SCIE
期刊论文 | 2025 | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
Abstract&Keyword Cite Version(1)

Abstract :

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 .
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 (2025) .
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 .
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An Interoperable Receiver With Reconfigurable LCC Compensation for Wireless Charging of 400- and 800-V Batteries in Electric Vehicles Scopus
期刊论文 | 2025 | IEEE Transactions on Industrial Electronics
Reconfigurable topology for electric vehicle wireless charging systems tolerating 400 V or 800 V battery EI
期刊论文 | 2025 , 46 (3) , 242-249 | Chinese Journal of Scientific Instrument
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Abstract :

As more electric vehicles (EV) companies jump on the bandwagon of wireless power transmission, interoperability issues are becoming increasingly apparent. In addition to the common problems of coupling structure, compensation network and communication protocol interoperability, battery voltage (BV) interoperability issues are also gradually emerging, that is, different battery voltage levels of various models. For the BV level of the existing EV power battery, the rated voltage can be mainly divided into 400 and 800 V. Considering the interoperability of public radio energy transmission facilities, EV radio energy transmission systems must be effectively compatible with 400 and 800 V BV levels at the same power level. A reconfigurable topology with the BV interoperability is proposed. The device uses two completely stacked unipolar coils as magnetic coupling structures, enabling two different output voltages under the same power level by switching. The proposed system is analyzed and modeled by establishing a mathematical model, followed by the development of a 1. 3 kW downscaled experimental prototype to verify the function of the proposed reconfigurable topology. The results show that the system can switch between 200 and 400 V output voltages while maintaining an output power of 1. 3 kW. The maximum system direct current - direct current (DC-DC) efficiency is 90. 97% and 95. 51%, respectively. Finally, to assess the migration performance of the proposed structure, additional testing was conducted using the experimental prototype. The results show that the DC-DC efficiency of the proposed system is higher than 90% in the migration range of ±100 mm. © 2025 Science Press. All rights reserved.

Keyword :

Electric power transmission networks Electric power transmission networks HVDC power transmission HVDC power transmission Inductive power transmission Inductive power transmission Multiplex radio transmission Multiplex radio transmission Topology Topology

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GB/T 7714 Liu, Chao , Zhou, Mingzhu , Chen, Xiaoying et al. Reconfigurable topology for electric vehicle wireless charging systems tolerating 400 V or 800 V battery [J]. | Chinese Journal of Scientific Instrument , 2025 , 46 (3) : 242-249 .
MLA Liu, Chao et al. "Reconfigurable topology for electric vehicle wireless charging systems tolerating 400 V or 800 V battery" . | Chinese Journal of Scientific Instrument 46 . 3 (2025) : 242-249 .
APA Liu, Chao , Zhou, Mingzhu , Chen, Xiaoying , Zhang, Yiming . Reconfigurable topology for electric vehicle wireless charging systems tolerating 400 V or 800 V battery . | Chinese Journal of Scientific Instrument , 2025 , 46 (3) , 242-249 .
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