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A novel isolated zero-voltage-switching (ZVS) bidirectional DC-DC converter with coupled inductors is proposed in this paper. The parallel structure in the low-voltage side and the series structure in the high-voltage side are adopted to satisfy the high power and high step-up/down conversion requirements. Moreover, by employing the PWM plus phase-shift (PPS) control technology, the current stress...
This paper presents a novel fully soft switched bidirectional PWM dc-to-dc. Providing soft switching conditions for all elements and minimizing the semiconductor elements are two of the most important properties of this converter. The proposed bi-directional converter is inserted as an interface circuit between DC bus and battery in a Hybrid Electric Vehicle to control the charge and discharge current...
Shunt Active Power Filters (APFs) are suitable to compensate current-type harmonics generated by nonlinear load, but large power and high compensation precision is difficult to be obtained due to low switching frequency of high power switch devices e.g. IGBTs and phase lag of digital control loop. In this paper, a high equivalent switching frequency is obtained in spite of low real switching frequency...
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