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Solving a short mileage and a long charging time is indispensable to putting electrical vehicles (EVs) on the full-scale market. A moving wireless power transfer (WPT) system is one of the effective solutions, because it can feed electric power to moving EVs. This paper proposes a moving WPT system consisting of several stationary ground-side (primary) coils and a moving vehicle-side (secondary) coil...
Traditional in-motion (dynamic) wireless power transfer (WPT) is based on elongated power transmitting tracks. It suffers from low efficiency, having complex and not fully utilized magnetic structures, among other drawbacks. In the case of lumped transmitter coils commeasurable in size with the receiver coil, which has been recently proposed for the in-motion WPT, the power transfer is intermittent...
Recent development in modular converter topologies have raised the discussion about exploiting the inherent redundancy of such converters in order to maximize their availability. One such solution involves the replacement of power electronic building blocks (PEBBs) during operation, a procedure also referred to as ‘hot swap’. Hot swap is considered as state-of-the-art in today's IT systems and low...
Medium-voltage motor drive systems, medium-voltage inverters, which have an input voltage and an output voltage of 3.3 kV or 6.6 kV, are widely used in industry applications. In the medium-voltage inverter, robust galvanic isolation among a control circuit and each gate drive supplies is required in order to drive high-voltage switching devices. In present, a transformer, which is designed to satisfy...
Wireless charging is gaining interest worldwide, mostly driven by electric vehicles (EVs) and consumer electronics. This paper presents the design and implementation of a contactless battery charger for electric vehicles. The power converter is based on SiC MOSFET devices and efficient power topologies, enabling to increase the operating frequency with the aim of minimizing system volume and weight...
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