Design of Wireless Power Transmitters for Enhanced Transmission Distance and Output Power

Kaiyuan Wang; Shuang Zhao; Shuye Shang; Eric Ka-wai Cheng; Siew-Chong Tan; Yun Yang

doi:10.1109/APEC48143.2025.10977305

Design of Wireless Power Transmitters for Enhanced Transmission Distance and Output Power

Kaiyuan Wang, Shuang Zhao, Shuye Shang, Eric Ka-wai Cheng, Siew-Chong Tan, Yun Yang

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

2 Citations (Scopus)

Abstract

This paper proposes a design method for the transmitter in wireless power transfer (WPT) systems that significantly enhances both output power and power transfer distance. The transmitter comprises a source resonator being compensated at the resonant frequency and an amplifier resonator being compensated above the resonant frequency. With the proposed designs, the transmission distance and the output power of typical WPT systems can be significantly improved as compared to the conventional WPT systems without the amplifier resonators and the WPT systems with ferrites. Practical results confirm that the output power of the WPT system using the proposed transmitter increases approximately 20.76 times compared to a conventional transmitter operating at the same charging distance. Moreover, with equal output power, the charging distance of the proposed transmitter can be extended by about 2.75 times compared to the conventional counterpart. © 2025 IEEE.

Original language	English
Title of host publication	2025 IEEE Applied Power Electronics Conference and Exposition (APEC)
Publisher	IEEE
Pages	3227-3231
ISBN (Electronic)	979-8-3315-1611-6
DOIs	https://doi.org/10.1109/APEC48143.2025.10977305
Publication status	Published - 2025
Externally published	Yes
Event	40th Annual IEEE Applied Power Electronics Conference and Exposition (APEC 2025) - Georgia World Congress Center, Atlanta, United States Duration: 16 Mar 2025 → 20 Mar 2025 https://apec-conf.org/welcome-to-apec-2025/

Publication series

Name	Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC
ISSN (Print)	1048-2334
ISSN (Electronic)	2470-6647

Conference

Conference	40th Annual IEEE Applied Power Electronics Conference and Exposition (APEC 2025)
Place	United States
City	Atlanta
Period	16/03/25 → 20/03/25
Internet address	https://apec-conf.org/welcome-to-apec-2025/

Funding

The authors would like to thank the financial supports from the A\u2217Star MTC Young Individual Research Grant (YIRG) M23M7c0115 and the Ministry of Education (MoE) Academic Research Fund (AcRF) Tier-1 under Grant RG134/23.

Research Keywords

amplifier resonator
enhanced output power
enhanced power transfer distance
wireless transmitter design

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10.1109/APEC48143.2025.10977305

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Wang, K., Zhao, S., Shang, S., Cheng, E. K., Tan, S.-C., & Yang, Y. (2025). Design of Wireless Power Transmitters for Enhanced Transmission Distance and Output Power. In 2025 IEEE Applied Power Electronics Conference and Exposition (APEC) (pp. 3227-3231). (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC). IEEE. https://doi.org/10.1109/APEC48143.2025.10977305

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title = "Design of Wireless Power Transmitters for Enhanced Transmission Distance and Output Power",

abstract = "This paper proposes a design method for the transmitter in wireless power transfer (WPT) systems that significantly enhances both output power and power transfer distance. The transmitter comprises a source resonator being compensated at the resonant frequency and an amplifier resonator being compensated above the resonant frequency. With the proposed designs, the transmission distance and the output power of typical WPT systems can be significantly improved as compared to the conventional WPT systems without the amplifier resonators and the WPT systems with ferrites. Practical results confirm that the output power of the WPT system using the proposed transmitter increases approximately 20.76 times compared to a conventional transmitter operating at the same charging distance. Moreover, with equal output power, the charging distance of the proposed transmitter can be extended by about 2.75 times compared to the conventional counterpart. {\textcopyright} 2025 IEEE.",

keywords = "amplifier resonator, enhanced output power, enhanced power transfer distance, wireless transmitter design",

author = "Kaiyuan Wang and Shuang Zhao and Shuye Shang and Cheng, {Eric Ka-wai} and Siew-Chong Tan and Yun Yang",

year = "2025",

doi = "10.1109/APEC48143.2025.10977305",

language = "English",

series = "Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC",

publisher = "IEEE",

pages = "3227--3231",

booktitle = "2025 IEEE Applied Power Electronics Conference and Exposition (APEC)",

address = "United States",

note = "40th Annual IEEE Applied Power Electronics Conference and Exposition (APEC 2025) ; Conference date: 16-03-2025 Through 20-03-2025",

url = "https://apec-conf.org/welcome-to-apec-2025/",

}

Wang, K, Zhao, S, Shang, S, Cheng, EK, Tan, S-C & Yang, Y 2025, Design of Wireless Power Transmitters for Enhanced Transmission Distance and Output Power. in 2025 IEEE Applied Power Electronics Conference and Exposition (APEC). Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC, IEEE, pp. 3227-3231, 40th Annual IEEE Applied Power Electronics Conference and Exposition (APEC 2025), Atlanta, Georgia, United States, 16/03/25. https://doi.org/10.1109/APEC48143.2025.10977305

Design of Wireless Power Transmitters for Enhanced Transmission Distance and Output Power. / Wang, Kaiyuan; Zhao, Shuang; Shang, Shuye et al.
2025 IEEE Applied Power Electronics Conference and Exposition (APEC). IEEE, 2025. p. 3227-3231 (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC).

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

TY - GEN

T1 - Design of Wireless Power Transmitters for Enhanced Transmission Distance and Output Power

AU - Wang, Kaiyuan

AU - Zhao, Shuang

AU - Shang, Shuye

AU - Cheng, Eric Ka-wai

AU - Tan, Siew-Chong

AU - Yang, Yun

PY - 2025

Y1 - 2025

N2 - This paper proposes a design method for the transmitter in wireless power transfer (WPT) systems that significantly enhances both output power and power transfer distance. The transmitter comprises a source resonator being compensated at the resonant frequency and an amplifier resonator being compensated above the resonant frequency. With the proposed designs, the transmission distance and the output power of typical WPT systems can be significantly improved as compared to the conventional WPT systems without the amplifier resonators and the WPT systems with ferrites. Practical results confirm that the output power of the WPT system using the proposed transmitter increases approximately 20.76 times compared to a conventional transmitter operating at the same charging distance. Moreover, with equal output power, the charging distance of the proposed transmitter can be extended by about 2.75 times compared to the conventional counterpart. © 2025 IEEE.

AB - This paper proposes a design method for the transmitter in wireless power transfer (WPT) systems that significantly enhances both output power and power transfer distance. The transmitter comprises a source resonator being compensated at the resonant frequency and an amplifier resonator being compensated above the resonant frequency. With the proposed designs, the transmission distance and the output power of typical WPT systems can be significantly improved as compared to the conventional WPT systems without the amplifier resonators and the WPT systems with ferrites. Practical results confirm that the output power of the WPT system using the proposed transmitter increases approximately 20.76 times compared to a conventional transmitter operating at the same charging distance. Moreover, with equal output power, the charging distance of the proposed transmitter can be extended by about 2.75 times compared to the conventional counterpart. © 2025 IEEE.

KW - amplifier resonator

KW - enhanced output power

KW - enhanced power transfer distance

KW - wireless transmitter design

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DO - 10.1109/APEC48143.2025.10977305

M3 - RGC 32 - Refereed conference paper (with host publication)

T3 - Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC

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Wang K, Zhao S, Shang S, Cheng EK, Tan SC, Yang Y. Design of Wireless Power Transmitters for Enhanced Transmission Distance and Output Power. In 2025 IEEE Applied Power Electronics Conference and Exposition (APEC). IEEE. 2025. p. 3227-3231. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC). Epub 2025 May 1. doi: 10.1109/APEC48143.2025.10977305

Design of Wireless Power Transmitters for Enhanced Transmission Distance and Output Power

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