A Boost Converter with Voltage Multiplier for Photovoltaic Applications

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Provided by: Creative Commons
Topic: Hardware
Format: PDF
A high step up converter is proposed for a front end photo voltaic system. Through a voltage multiplier module, an asymmetrical interleaved high step-up converter obtains high step-up gain without operating at an extreme duty ratio. The voltage multiplier module is composed of a conventional boost converter and coupled inductors. An extra conventional boost converter is integrated in to the first phase to achieve a considerably higher voltage conversion ratio. The two-phase configuration not only reduces the current stress through each power switch, but also constrains the input current ripple, which decreases the conduction losses of Metal-Oxide-Semiconductor Field-Effect Transistors (MOSFETs).
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