BIDIRECTIONAL CONTACTLESS POWER TRANSFER SYSTEM
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United States of America Patent
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Issued Date -
Jan 1, 2015
app pub date -
Feb 9, 2012
filing date -
Feb 9, 2012
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Abstract
An example according to one embodiment includes a first coil and a second coil spaced apart therefrom. The system is supplied with power from a primary-side circuit to a secondary-side circuit and vice versa. The primary-side circuit includes the first coil. The secondary-side circuit includes the second coil. The primary-side circuit connects to a first converter that converts direct current into alternating current and vice versa. The first converter connects to second converter that converts direct current into alternating current and vice versa, and the second converter further connects to a commercial power supply. The secondary-side circuit connects to third converter that converts direct current into alternating current and vice versa, and the third converter further connects to direct current power supply of a moving body. Bidirectional power transfer is performed only by a switching operation of the first converter, the second converter, and the third converter.
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