A 50-kW Bidirectional Step-up / Step-down DC/DC Oak Ridge Converter for Wireless Charger Applications

Asa, Erdem; Onar, Omer; Galigekere, Veda Prakash; Su, Gui-Jia; Ozpineci, Burak; Colak, Kerim

doi:10.1109/APEC43599.2022.9773643

A 50-kW Bidirectional Step-up / Step-down DC/DC Oak Ridge Converter for Wireless Charger Applications

Conference · Tue Mar 01 04:00:00 EST 2022

DOI:https://doi.org/10.1109/APEC43599.2022.9773643· OSTI ID:1871106

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ORNL
New York University

This study presents a novel bidirectional concept by using Oak Ridge Converter (ORC) for wireless energy conversion (WEC) technologies such as wireless electric vehicle (EV) chargers, wireless mobile or energy storage systems (MESS / ESS), etc. The presented system can be deployed in a bidirectional wireless power transfer (WPT) structure for different input voltages by using two different operating frequencies. The proposed concept here achieves zero voltage switching (ZVS) in during step-up and step-down configurations. The system overall theoretical design and experimental test results are presented for 50 kW power transfer in both bidirectional operations modes. The laboratory demonstration of the system is presented for the three-phase bidirectional system with 6 inches of airgap between the coils and output of 560 VDC with 95.4% dc-to-dc efficiency.

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Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-00OR22725

OSTI ID:: 1871106

Country of Publication:: United States

Language:: English

References (14)

A Novel Bi-directional AC/DC - DC/AC Wireless Power Transfer System for Grid Support Applications Asa, Erdem; Onar, Omer C.; Galigekere, Veda P. 2021 IEEE Applied Power Electronics Conference and Exposition (APEC) https://doi.org/10.1109/APEC42165.2021.9487178	conference	June 2021
A Tradeoff Analysis of Series / Parallel Three-Phase Converter Topologies for Wireless Extreme Chargers Asa, Erdem; Onar, Omer C.; Pries, Jason 2020 IEEE Transportation Electrification Conference & Expo (ITEC) https://doi.org/10.1109/ITEC48692.2020.9161592	conference	June 2020
A Dual-Active Bridge Topology With a Tuned CLC Network Twiname, Ross P.; Thrimawithana, Duleepa J.; Madawala, Udaya K. IEEE Transactions on Power Electronics, Vol. 30, Issue 12 https://doi.org/10.1109/TPEL.2014.2384511	journal	December 2015
Single-Phase Soft-Switched AC–AC Matrix Converter With Power Controller for Bidirectional Inductive Power Transfer Systems Moghaddami, Masood; Sarwat, Arif I. IEEE Transactions on Industry Applications, Vol. 54, Issue 4 https://doi.org/10.1109/TIA.2018.2820640	journal	July 2018
A Novel Three Phase Oak Ridge DC / AC Converter for Wireless Grid Tied Applications Asa, Erdem; Onar, Omer C.; Galigekere, Veda P. 2021 IEEE Transportation Electrification Conference & Expo (ITEC) https://doi.org/10.1109/ITEC51675.2021.9490101	conference	June 2021
An Efficiency Optimization Scheme for Bidirectional Inductive Power Transfer Systems Nguyen, Bac Xuan; Vilathgamuwa, D. Mahinda; Foo, Gilbert Hock Beng IEEE Transactions on Power Electronics, Vol. 30, Issue 11 https://doi.org/10.1109/TPEL.2014.2379676	journal	November 2015
Efficiency analysis of a Bi-directional DC/DC converter for wireless energy transfer applications Asa, Erdem; Colak, Kerim; Czarkowski, Dariusz 2015 IEEE Energy Conversion Congress and Exposition (ECCE) https://doi.org/10.1109/ECCE.2015.7309743	conference	September 2015
A Novel Three-Phase Oak Ridge AC / DC Converter for Wireless EV Charger Applications Asa, Erdem; Onar, Omer C.; Galigekere, Veda P. 2021 IEEE Applied Power Electronics Conference and Exposition (APEC) https://doi.org/10.1109/APEC42165.2021.9487063	conference	June 2021
20-kW Bi-directional Wireless Power Transfer System with Energy Storage System Connectivity Onar, Omer C.; Su, Gui-Jia; Asa, Erdem 2020 IEEE Applied Power Electronics Conference and Exposition (APEC) https://doi.org/10.1109/APEC39645.2020.9124047	conference	March 2020
A Power–Frequency Controller for Bidirectional Inductive Power Transfer Systems Madawala, Udaya K.; Neath, Michael; Thrimawithana, Duleepa J. IEEE Transactions on Industrial Electronics, Vol. 60, Issue 1 https://doi.org/10.1109/TIE.2011.2174537	journal	January 2013
A novel multi-level bi-directional DC/DC converter for inductive power transfer applications Colak, Kerim; Asa, Erdem; Czarkowski, Dariusz IECON 2015 - 41st Annual Conference of the IEEE Industrial Electronics Society https://doi.org/10.1109/IECON.2015.7392697	conference	November 2015
A Novel Three-Phase Oak Ridge AC / AC Converter for Wireless Mobility Energy Storage System (WMESS) Connectivity Asa, Erdem; Onar, Omer C.; Galigekere, Veda P. 2021 IEEE Applied Power Electronics Conference and Exposition (APEC) https://doi.org/10.1109/APEC42165.2021.9487293	conference	June 2021
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A Novel AC to AC Wireless Power Transfer System for EV Charging Applications Asa, Erdem; Pries, Jason; Galigekere, Veda 2020 IEEE Applied Power Electronics Conference and Exposition (APEC) https://doi.org/10.1109/APEC39645.2020.9124602	conference	March 2020

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