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سوئیچینگ ولتاژ صفر مبدل DC-DC با بهره ولتاژ بالا
A zero-voltage-switching (ZVS) dc–dc converter with high voltage gain is proposed. It consists of a ZVS boost converter stage and a ZVS half-bridge converter stage and two stages are merged into a single stage. The ZVS boost converter stage provides a continuous input current and ZVS operation of the power switches. The ZVS half-bridge converter stage provides a high voltage gain. The principle of operation and system analysis are presented. Theoretical analysis and performance of the proposed converter were verified on a 100 W experimental prototype operating at 108 kHz switching frequency.
DC–DC converters with high voltage gain are required in many industrial applications such as the front-end stage for the renewable and green energy sources including the solar arrays and the fuel cells, the power systems based on battery sources and super capacitors –. IN dc–dc converters with high voltage gain, there are several requirements such as high voltage gain , , , , low reverse-recovery loss , , soft-switching characteristic , low-voltage stress across the switches, electrical isolation, continuous input current, and high efficiency. In order to meet these requirements, various topologies are introduced. In order to extend the voltage gain, the boost converters with coupled inductors are proposed in  and . The voltage gain is extended but continuous input current characteristic is lost and the efficiency is degraded due to hard switching of power switches.In , a step-up converter based on a charge pump and coupled inductor is suggested. Its voltage gain is around 10 but its efficiency is not high enough due to the switching loss. In , a high-step-up converter with coupled inductors is suggested to provide high voltage gain and a continuous input current.
|نوع مقاله||ژورنال IEEE TRANSACTIONS|
|شبیه سازی||در محیط MATLAB|
A Zero-Voltage-Switching DC–DC Converter With High Voltage Gain سوئیچینگ ولتاژ صفر مبدل DC-DC با بهره ولتاژ بالا شبیه سازی الکترونیک قدرت شبیه سازی الکترونیک قدرت با matlab شبیه سازی matlab power electronic شبیه سازی مبدل DC-DC شبیه سازی مقاله مبدل DC-DC شبیه سازی مبدل بوست در متلب شبیه سازی مقاله Boost converter