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This technology can help to increase number of application areas of Wireless Power Transfer systems. It can be applied to consumer electronics, defense industry, automotive industry etc.
Technologies are described that are directed to polyphase rotary transformer for field excitation of electric machines.
A new, simpler power module and manifold design shows lower weight and volume, which allows higher power density compared with current state of the art.
Efficient and widespread wireless charging is necessary to meet demand of electric vehicles, but adoption of EVs is hampered by long duration charging and limited range. Wireless charging pads require magnetic components.
There is a strong drive to improve the electrical performance of a power module for power electronics applications including transportation, buildings, renewables, and power delivery.
ORNL has developed a revolutionary system for wirelessly transferring power to electric vehicles and energy storage systems, enabling efficient, contactless charging.