آنالیز و طراحی یک مبدل dc-dc جدید تک کلیده غیر ایزوله کاهنده-افزاینده

نوع مقاله : مقاله پژوهشی

چکیده

در این مقاله یک مبدل جدید بدون ترانسفورماتور کاهنده-افزاینده بر پایه مبدل ZETA معرفی شده است. مبدل پیشنهادی مزیت‌های مبدل ZETA مانند قابلیت کاهندگی-افزایندگی و ورودی ایزولاسیون شده را دارد. بهره ولتاژ مبدل پیشنهادی از مبدل کلاسیک ZETA بالاتر است. در مبدل ارائه شده تنها یک کلید اصلی به کار رفته است. مبدل پیشنهادی کلید با تنش ولتاژ پائین ارائه می‌دهد. بتابراین کلید اصلی با مقاومت حالت روشن پائین برای کاهش تلفات کلید انتخاب می‌شود. ساختار مبدل ارائه شده ساده است. بنابراین کنترل مبدل ساده می‌باشد. تحلیل‌های ریاضی مبدل پیشنهادی ارائه شده است. نتایج عملی صحت تحلیل‌ها را تائید می‌کند.

کلیدواژه‌ها

موضوعات


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