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A segment control scheme of inductive power transfer (IPT) system for rail transit is proposed in this paper. In this scheme, the power supply range of primary coils along the track is segmented into several intervals and the several sets of pickups are installed aboard. When the vehicle runs, the switching frequency and the reference current of inverters is modulated with the position of the pickup...
In this paper, a LLC resonant DC-DC converter with voltage multiplier (VM) rectifier is proposed. The proposed converter circuit consists of four main components, which are the full bridge inverter, a resonant tank (LLC), a high voltage transformer, and a high voltage VM circuit. The proposed circuit regulates the output voltages by narrowly varying the switching frequency. The LLC resonant circuit...
A non-isolated current-fed inverter for fuel-cell/PV applications is propsoed. An impulse commutated current-fed half-bridge converter is selected as the front-end dc/dc converter that provides high voltage gain required for such applications. Impulse commutation enables zero current switching (ZCS) of the semiconductor devices. The devices' voltage gets naturally clamped owing to impulse commutation...
Novel high frequency converter cum Inverter analyzed mathematically and simulated with less number of controlled switches in the converter stage of a capacitor charging power supply. Series resonant based capacitor charging power supply (CCPS) is more popularly used to charge pulsed power systems. The power supply size, weight and cost increases with increase in charging rate. So, an attempt has been...
In this paper an interleaved Class D-E resonant converter is proposed. Analysis, design, and evaluation of the proposed converter are presented. The interleaving approach utilizes two half-bridges to dislocate two resonant tanks in the Class D inverters, which results in a single control unit and a 180 degree phase-shift switching angle designs in the proposed topology. While the analog control method...
This paper presents single stage series load resonant ZVS-PWM high frequency inverter which operates one diode conduction mode and critical ZCS PFC rectifier for induction heating (IH) applications. This single stage inverter is composed of a single phase PFC rectifier operating at one diode conduction mode and asymmetrical ZVS-PWM high frequency resonant inverter without the interlink bulky electrolytic...
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