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In this paper, a 500 W, 400 V to 48 wireless power transfer system for vehicle battery charging is analyzed, designed and implemented. Series-series resonant topology is used due to ease of analyze and control. The secondary bridge rectifier is replaced by a sync rectifier consists of four MOSFET in a full bridge configuration in order to reduce conduction losses on rectifier. An efficiency of 92...
The latest Electric Vehicles (EV)-related power electronics have attracted special interest as one of effective solutions to energy and environmental issues. In order to implement a promising EV battery charging equipment and its EMS infrastructures for carports in private houses and public buildings, Wireless Power Transfer (WPT)-based on-board chargers (OBC) are more suitable and acceptable from...
Contactless power transfer (CPT) could provide much convenience and so there have been much commercial interests on CPT recently. Sooner or later, CPT technology is expected to be applied to various electronic devices with transceiver coils for CPT such as electric vehicles, mobile devices and etc. Then the coils in different electronic devices for CPT can cause electromagnetic interference (EMI)...
A burst dimming controller with primary-side control for electrodeless fluorescent lamp (EFL) electronic ballast is implemented in this paper. The used main circuit is a class D topology with a resonant circuit to form a resonant inverter. Moreover, an 8-bit microcontroller is employed to act as the control core of the system to achieve soft start, burst dimming, and primary-side control feature....
This paper proposes an isolated DC-DC converter for Power-Supply on chip (SoC) realized by the couple of air-core coils. The pro-posed isolated DC-DC converter is evaluated by numerical simulations and experimental results. The fabricated prototype DC-DC converter works well and the simulation results are good agreement with experimental results. This paper also discusses the potential of proposed...
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