Loss Reduction by Synchronous Rectification in a 50 kW SiC-based Inductive Power Transfer System

Pehrman, Daniel; Liu, Yujing; Cui, Chao; Huang, Xiaoliang

doi:10.1109/iecon43393.2020.9254316

Cited by 9 publications

(4 citation statements)

References 11 publications

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“…According to [23], the efficiency-optimized load of an IPT system with series-series compensation can be expressed as…”

Section: A Single-phase and Three-phase Ipt Systemmentioning

confidence: 99%

Zero Voltage Switching for High Power Three-Phase Inductive Power Transfer With a Dual Active Bridge

Cui,

Pehrman,

Liu

et al. 2024

IEEE Access

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Inductive power transfer (IPT) technology used for charging electric vehicles faces challenges in transferring high power because the power capacity and switching losses of high-frequency semiconductor devices are limiting factors. A three-phase system is a common high-power solution and soft switching is crucial for efficiency-oriented applications with high switching frequencies. In addition, dual active bridge (DAB) topology is a suitable topology for soft switching and has advantages in controllability and high efficiency. Therefore, to obtain higher power and efficiency, this paper studies the zero voltage switching (ZVS) of a three-phase inductive power transfer system with a dual active bridge. The three-phase IPT system with a DAB is different from both the normal three-phase DAB converter and the single-phase IPT system with a DAB, so their ZVS conditions and ranges are also different and need to be studied. This paper investigates the conditions and operating range for realizing zero voltage switching of the three-phase IPT system with a DAB. Based on this, the efficiency of the system is improved by changing the load angle between the primary and secondary sides. Finally, a 60 kW three-phase IPT system with a DAB is built, and the experimental verification of the study is conducted.INDEX TERMS Dual Active Bridge (DAB), Inductive Power Transfer (IPT), Zero Voltage Switching (ZVS).

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“…According to [23], the efficiency-optimized load of an IPT system with series-series compensation can be expressed as…”

Section: A Single-phase and Three-phase Ipt Systemmentioning

confidence: 99%

Zero Voltage Switching for High Power Three-Phase Inductive Power Transfer With a Dual Active Bridge

Cui,

Pehrman,

Liu

et al. 2024

IEEE Access

Self Cite

View full text Add to dashboard Cite

show abstract

“…separately [52], which is not suitable for high power IPT applications due to the switching losses. It is more practical to apply the synchronous rectification technique on the active rectifier, which is proved to be more efficient than the diode bridge rectifier [53] but cannot effectively regulate the load. Therefore, a back-end DC-DC converter becomes necessary to change the load impedance [44].…”

Section: Gridmentioning

confidence: 99%

Design of a Highly Efficient 20-kW Inductive Power Transfer System With Improved Misalignment Performance

Shi

Dong

Soeiro

et al. 2022

IEEE Trans. Transp. Electrific.

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“…While λIt1<Iout≤λIdiv, by comparing the switching losses of the possible operation modes, γ1 should still be fixed at π, and γ2 is adjusted to suit the rest of the load required current, which indicates that the receiver operates in Mode 3. The output current of each receiver meets (29). While λIdiv<Iout≤λIt2, only γ2 is adjusted, and Receiver #1 is shut down with no switching loss.…”

Section: ) M1mentioning

confidence: 99%

“…In general, the optimization of switching loss is still an urgent problem for the compact WPT IEEE, and Zhengyou He, Senior Member, IEEE development of power electronic materials, some novel SiC [29], [30] and GaN [31]- [33] switching devices are adopted in the WPT systems for improving the switching performance. However, replacing all the switching elements with these novel switching devices will increase the system cost dramatically.…”

Section: Introductionmentioning

confidence: 99%

Efficiency Improvement of Dual-Receiver WPT Systems Based on Partial Power Processing Control

Liu

Zhao

et al. 2022

IEEE Trans. Power Electron.

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Loss Reduction by Synchronous Rectification in a 50 kW SiC-based Inductive Power Transfer System

Cited by 9 publications

References 11 publications

Zero Voltage Switching for High Power Three-Phase Inductive Power Transfer With a Dual Active Bridge

Zero Voltage Switching for High Power Three-Phase Inductive Power Transfer With a Dual Active Bridge

Design of a Highly Efficient 20-kW Inductive Power Transfer System With Improved Misalignment Performance

Efficiency Improvement of Dual-Receiver WPT Systems Based on Partial Power Processing Control

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