2015•Unpublished venueOpen access

Comparison of magnetic field exposure for SISO and MISO wireless power transfer systems

Tim X. Liu, Hans-Dieter Lang, Costas D. Sarris

Abstract

Multi-transmitter wireless power transfer (WPT) systems have advantages over single-transmitter systems, most importantly higher overall power transfer efficiency. It is shown that this leads to such WPT systems being able to maintain the same transferred power at lower magnetic field strengths and greater degrees of freedom for receiver positions when compared to single-transmitter systems.

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Key concepts: Wireless power transfer, Transmitter, Maximum power transfer theorem, Electrical engineering, Wireless, Power (physics), Transmitter power output, Field (mathematics)