A new strategy of magnetic design for DC power optimizers in photovoltaic applications

This research introduces a novel approach to selecting and designing magnetic cores for DC power optimizers. Unlike traditional methods that depend on the Area Product (Ap) and involve extensive trial and error to achieve the final design, the proposed methodology utilizes two essential parameters: the Core to Copper Loss Ratio (γ) and the Window Utilization Factor (ku) for the inductor design process.
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A new strategy of magnetic design for DC power optimizers in photovoltaic applications