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Development of a Single-Sided Flux Magnetic Coupler for Electric Vehicle IPT Charging Systems
Abstract
Inductive power transfer is a practical method for recharging electric vehicles because it is safe, convenient, and reliable. The performance of the magnetic couplers that transfer power determines the overall feasibility of a complete system. Circular couplers are the most common topology in the literature; however, they have fundamentally limited coupling. Their flux patterns necessarily limit the operational air gap as well as tolerance to horizontal misalignment. A new polarized coupler topology [referred to as a double D (DD)] is presented, which overcomes these difficulties. DDs provide a charge zone five times larger than that possible with circular pads for a similar material cost and are smaller. A 0.31-m2DD enables 2 kW of power transfer over an oval area measuring 540 mm × 800 mm with a 200-mm air gap. Leakage magnetic fields have been investigated and show that circular and DD couplers operating under similar power transfer conditions produce similar levels. Both topologies can be designed and operated to ensure compliance with international guidelines.
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Citations
Cited by
Modern Trends in Inductive Power Transfer for Transportation Applications
Covic, G. A., & Boys, J. T. (2013) · IEEE Journal of Emerging and Selected Topics in Power Electronics · doi:10.1109/jestpe.2013.2264473 · Cited by 1,263
Self-citationA Comprehensive Review of Wireless Charging Technologies for Electric Vehicles
Ahmad, A., Alam, M. S., & Chabaan, R. (2018) · IEEE Transactions on Transportation Electrification · doi:10.1109/tte.2017.2771619 · Cited by 993
Li, W., Zhao, H., Li, S., Deng, J., Kan, T., & Mi, C. C. (2015) · IEEE Transactions on Industrial Electronics · doi:10.1109/tie.2014.2384003 · Cited by 331
Hybrid Bidirectional Wireless EV Charging System Tolerant to Pad Misalignment
Zhao, L., Thrimawithana, D. J., & Madawala, U. K. (2017) · IEEE Transactions on Industrial Electronics · doi:10.1109/tie.2017.2686301 · Cited by 328
Control design for optimizing efficiency in inductive power transfer systems
Huang, Z., Wong, S.-C., & Tse, C. K. (2018) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2017.2724039 · Cited by 242
Metadata
- Authors
- Budhia, M., Boys, J. T., Covic, G. A., & Huang, C.-Y.
- Venue
- IEEE Transactions on Industrial Electronics
- Published
- 2013-01
- Volume
- 60
- Issue
- 1
- Pages
- 318-328
- ISSN
- 0278-0046 (ISSN-L)
- 1557-9948
- OpenAlex
- W2050928834
- Cited by
- 1,273
- References
- 0
- FWCI
- 21.39
- Type
- journal article
- Language
- en
- Open access
- closed
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- Budhia, M., Boys, J. T., Covic, G. A., & Huang, C.-Y. (2013). Development of a Single-Sided Flux Magnetic Coupler for Electric Vehicle IPT Charging Systems. IEEE Transactions on Industrial Electronics. https://doi.org/10.1109/tie.2011.2179274
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