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The developmental process and the battery charging strategy of 100W battery charging circuits using a three-phase permanent magnet synchronous generator are presented. It is assumed that a typical male can comfortably generate over 100W using cranking motions with two feet. Using a portable and manual generator, human cranking motions are converted to three-phase ac electric power, and the electric...
Wireless Power Transfer (WPT) technology is a novel research area in the charging technology that bridges the utility and the automotive industries. There are various solutions that are currently being evaluated by several research teams to find the most efficient way to manage the power flow from the grid to the vehicle energy storage system. There are different control parameters that can be utilized...
This paper proposes an integrated circuit sharing internal parts of a low voltage DC-DC converter (LDC) and an on-board charger (OBC) for electric vehicles (EVs). The proposed circuit structure can be operated as an OBC standalone mode, a LDC standalone mode, and a simultaneous operating mode. The operating modes of the proposed system are analyzed and the advantages and disadvantages are also discussed...
A wireless wake-up receiver for lithium-ion battery systems was developed and evaluated. A 2-stage power-supply control scheme is added to the wake-up receiver for supporting low power, high receiving sensitivity, and short wake-up time simultaneously. When the battery system is in power-down mode, only a voltage detector in the wake-up receiver consumes a current while waiting for a wireless wake-up...
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