A study of high electrical power and high efficiency antenna in 13.56 MHz Wireless Power Transfer

Masanori Watanabe; Kan Akatsu

doi:10.1109/ECCE44975.2020.9235829

A study of high electrical power and high efficiency antenna in 13.56 MHz Wireless Power Transfer

Masanori Watanabe, Kan Akatsu

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

Wireless Power Transfer (WPT) has been attracting attention as one of the solutions of EV charging. In recent years, many researches have used the kHz band, however the size of antenna becomes large. To solve the sizing problem, using industrial, scientific, and medical (ISM) bands;13.56MHz is a good solution. However, the example of antenna design which achieve high efficiency about 90% with over 200mm transfer distance has not been reported. In addition, there is no report of high power transmission over 1kW. In this paper, an antenna design method is proposed and the method is experimentally confirmed. In addition, this prototype antenna can transfer about 2.5kW electrical power with 89.3% antenna efficiency under 300mm transmission distance in the experiment.

Original language	English
Title of host publication	ECCE 2020 - IEEE Energy Conversion Congress and Exposition
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1027-1031
Number of pages	5
ISBN (Electronic)	9781728158266
DOIs	https://doi.org/10.1109/ECCE44975.2020.9235829
Publication status	Published - 2020 Oct 11
Event	12th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2020 - Virtual, Detroit, United States Duration: 2020 Oct 11 → 2020 Oct 15

Publication series

Name	ECCE 2020 - IEEE Energy Conversion Congress and Exposition

Conference

Conference	12th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2020
Country/Territory	United States
City	Virtual, Detroit
Period	20/10/11 → 20/10/15

Keywords

Electric Vehicle (EV)
Inductive Power transfer (IPT)
Industrial
Scientific
Wireless Power Transfer (WPT)
and Medical (ISM) bands

ASJC Scopus subject areas

Electrical and Electronic Engineering
Mechanical Engineering
Control and Optimization
Energy Engineering and Power Technology

Access to Document

10.1109/ECCE44975.2020.9235829

Cite this

Watanabe, M., & Akatsu, K. (2020). A study of high electrical power and high efficiency antenna in 13.56 MHz Wireless Power Transfer. In ECCE 2020 - IEEE Energy Conversion Congress and Exposition (pp. 1027-1031). [9235829] (ECCE 2020 - IEEE Energy Conversion Congress and Exposition). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ECCE44975.2020.9235829

A study of high electrical power and high efficiency antenna in 13.56 MHz Wireless Power Transfer. / Watanabe, Masanori; Akatsu, Kan.
ECCE 2020 - IEEE Energy Conversion Congress and Exposition. Institute of Electrical and Electronics Engineers Inc., 2020. p. 1027-1031 9235829 (ECCE 2020 - IEEE Energy Conversion Congress and Exposition).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Watanabe, M & Akatsu, K 2020, A study of high electrical power and high efficiency antenna in 13.56 MHz Wireless Power Transfer. in ECCE 2020 - IEEE Energy Conversion Congress and Exposition., 9235829, ECCE 2020 - IEEE Energy Conversion Congress and Exposition, Institute of Electrical and Electronics Engineers Inc., pp. 1027-1031, 12th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2020, Virtual, Detroit, United States, 20/10/11. https://doi.org/10.1109/ECCE44975.2020.9235829

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AB - Wireless Power Transfer (WPT) has been attracting attention as one of the solutions of EV charging. In recent years, many researches have used the kHz band, however the size of antenna becomes large. To solve the sizing problem, using industrial, scientific, and medical (ISM) bands;13.56MHz is a good solution. However, the example of antenna design which achieve high efficiency about 90% with over 200mm transfer distance has not been reported. In addition, there is no report of high power transmission over 1kW. In this paper, an antenna design method is proposed and the method is experimentally confirmed. In addition, this prototype antenna can transfer about 2.5kW electrical power with 89.3% antenna efficiency under 300mm transmission distance in the experiment.

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A study of high electrical power and high efficiency antenna in 13.56 MHz Wireless Power Transfer

Abstract

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Keywords

ASJC Scopus subject areas

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