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High-efficiency long-distance wireless power transfer using BaO and GaN magnetron's cathode

A magnetron is one of the most common microwave power generators used in commercial or industrial applications. There are a few methods for optimizing the magnetron to enhance its efficiency, which include the selection of the building materials, increasing the resonant cavity, enlarging operation s...

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Main Authors: Chek, Leong Wen, Mekhilef, Saad, Ramiah, Harikrishnan
Format: Article
Published: Institute of Electrical and Electronics Engineers 2022
Subjects:
TK Electrical engineering. Electronics Nuclear engineering
Online Access:http://eprints.um.edu.my/41428/
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spelling my.um.eprints.414282023-09-22T04:10:18Z http://eprints.um.edu.my/41428/ High-efficiency long-distance wireless power transfer using BaO and GaN magnetron's cathode Chek, Leong Wen Mekhilef, Saad Ramiah, Harikrishnan TK Electrical engineering. Electronics Nuclear engineering A magnetron is one of the most common microwave power generators used in commercial or industrial applications. There are a few methods for optimizing the magnetron to enhance its efficiency, which include the selection of the building materials, increasing the resonant cavity, enlarging operation space size, and modifying the anode structure. This article proposes the modification of magnetron cathode for high-frequency and low-power applications using gallium nitride (GaN)-coated cathode replacing the current barium oxide (BaO) coat. The highlighted optimization is intended to modify the control of magnetron electron drift velocity, heat dissipation, operation frequency, and power generation. Simulation and experimental results have been extracted at 2.45 GHz to generate 5 W microwave power and tested for over 30 ft. of power transmission using a rectenna interface, which results in an efficiency of 88.37%, compared with 51.8% using BaO coat. Institute of Electrical and Electronics Engineers 2022-07 Article PeerReviewed Chek, Leong Wen and Mekhilef, Saad and Ramiah, Harikrishnan (2022) High-efficiency long-distance wireless power transfer using BaO and GaN magnetron's cathode. IEEE Transactions on Industry Applications, 58 (4). pp. 4838-4847. ISSN 0093-9994, DOI https://doi.org/10.1109/TIA.2022.3166130 <https://doi.org/10.1109/TIA.2022.3166130>. 10.1109/TIA.2022.3166130
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic TK Electrical engineering. Electronics Nuclear engineering
spellingShingle TK Electrical engineering. Electronics Nuclear engineering
Chek, Leong Wen
Mekhilef, Saad
Ramiah, Harikrishnan
High-efficiency long-distance wireless power transfer using BaO and GaN magnetron's cathode
description A magnetron is one of the most common microwave power generators used in commercial or industrial applications. There are a few methods for optimizing the magnetron to enhance its efficiency, which include the selection of the building materials, increasing the resonant cavity, enlarging operation space size, and modifying the anode structure. This article proposes the modification of magnetron cathode for high-frequency and low-power applications using gallium nitride (GaN)-coated cathode replacing the current barium oxide (BaO) coat. The highlighted optimization is intended to modify the control of magnetron electron drift velocity, heat dissipation, operation frequency, and power generation. Simulation and experimental results have been extracted at 2.45 GHz to generate 5 W microwave power and tested for over 30 ft. of power transmission using a rectenna interface, which results in an efficiency of 88.37%, compared with 51.8% using BaO coat.
format Article
author Chek, Leong Wen
Mekhilef, Saad
Ramiah, Harikrishnan
author_facet Chek, Leong Wen
Mekhilef, Saad
Ramiah, Harikrishnan
author_sort Chek, Leong Wen
title High-efficiency long-distance wireless power transfer using BaO and GaN magnetron's cathode
title_short High-efficiency long-distance wireless power transfer using BaO and GaN magnetron's cathode
title_full High-efficiency long-distance wireless power transfer using BaO and GaN magnetron's cathode
title_fullStr High-efficiency long-distance wireless power transfer using BaO and GaN magnetron's cathode
title_full_unstemmed High-efficiency long-distance wireless power transfer using BaO and GaN magnetron's cathode
title_sort high-efficiency long-distance wireless power transfer using bao and gan magnetron's cathode
publisher Institute of Electrical and Electronics Engineers
publishDate 2022
url http://eprints.um.edu.my/41428/
_version_ 1778161671218397184
score 13.160551

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