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Conference proceeding
Gallium Nitride (GaN) based High-Power Multilevel H-Bridge Inverter for Wireless Power Transfer of Electric Vehicles
2024 IEEE Transportation Electrification Conference and Expo (ITEC), pp 1-5
19 Jun 2024
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
This paper presents a design and implementation of a high-power Gallium Nitride (GaN)-based multilevel H-bridge inverter to excite wireless charging coils for the wireless power transfer of electric vehicles (EVs). Compared to the traditional conductive charging, wireless charging technology offers a safer and more convenient way to charge EVs. Due to the increasing demand of fast charging, high-power inverters play a crucial role in exciting the wireless charging coils within a wireless power transfer system.This paper details the system specifications for the wireless charging of EVs, providing theoretical analysis and a control strategy for the modular design of a 75-kW 3-level and 4-level H-bridge inverter. The goal is to deliver a low-distortion excitation voltage to the wireless charging coils. LTspice simulation results, including output voltage, Fast Fourier Transform (FFT) analysis for both 3-level and 4-level H-bridge inverters, are presented to validate the control strategy and demonstrate the elimination of output harmonic components in the modular design. A GaN-based inverter prototype was employed to deliver a 85-kHz power to the wireless charging pads of the wireless power transfer system. Experimental results at two different voltage and power levels, 100V-215W and 150V-489W, validate the successful performance of the GaN inverter in the wireless charging system.
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Details
- Title
- Gallium Nitride (GaN) based High-Power Multilevel H-Bridge Inverter for Wireless Power Transfer of Electric Vehicles
- Creators
- Javad Chevinly - Drexel UniversityShervin Salehi Rad - Drexel UniversityElias Nadi - Rowan UniversityBogdan Proca - InductEV Wireless Charging,King of Prussia,PA,19406John Wolgemuth - InductEV Wireless Charging,King of Prussia,PA,19406Anthony Calabro - InductEV Wireless Charging,King of Prussia,PA,19406Hua Zhang - Rowan UniversityFei Lu - Drexel University
- Publication Details
- 2024 IEEE Transportation Electrification Conference and Expo (ITEC), pp 1-5
- Publisher
- IEEE
- Number of pages
- 5
- Resource Type
- Conference proceeding
- Language
- English
- Academic Unit
- Electrical and Computer Engineering
- Web of Science ID
- WOS:001285069900048
- Scopus ID
- 2-s2.0-85200704283
- Other Identifier
- 991021895762304721
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InCites Highlights
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Engineering, Electrical & Electronic
- Transportation Science & Technology