طراحی، شبیه ‏سازی و پیاده‌سازی یک مبدل بوست سه ‏سطحی بهره بالا با سلف کوپل‌شده و مدار کلمپ پسیو

نوع مقاله: مقاله پژوهشی

نویسندگان

1 کارشناس ارشد - دانشکده مهندسی برق، واحد نجف‌آباد، دانشگاه آزاد اسلامی،‌ نجف‌آباد، ایران

2 استادیار – دانشکده مهندسی برق، واحد نجف‌آباد، دانشگاه آزاد اسلامی،‌ نجف‌آباد، ایران

چکیده

پیشرفت‌های اخیر در منابع انرژی تجدیدپذیر نیاز به مبدل‏های DC-DC بهره بالا و بازده بالا را ایجاد کرده است. این نیازها عمدتاً از طریق استفاده از ترانسفورمرهای فرکانس بالا برای دستیابی به بهره‏ی مورد نیاز و مطلوب برآورده می‏شود. راه‏حل‏های الکترونیک قدرتی مبتنی بر پیکربندی‏های چند مبدله، راه‏حل‏های مقرون به صرفه‏ای را توسط تلفیق تعدادی از اجزا در توان ورودی و خروجی فراهم می‏کند. در این مقاله در ابتدا به بررسی برخی از ساختارهایی که تاکنون به هدف دست‏یابی به یک مبدل بهره بالا ارائه شده‏اند، پرداخته و در مورد معایب و مزایای هر کدام، بحث شده است. مبدل پیشنهادی در راستای کاهش استرس ولتاژ مبدل‏های بهره بالای مبتنی بر سلف کوپل شده و مدار کلمپ پسیو ارائه شده است. استرس ولتاژ سوئیچ این مبدل پیشنهادی در شرایط یکسان از استرس ولتاژ مبدل بوست عادی کمتر می‏باشد. همچنین در این ساختار با استفاده از مدار کلمپ پسیو نوسانات دو سر سوئیچ به مقدار محدودی کلمپ می‏شود و در نهایت با استفاده از این تکنیک می‏توان به بهره و بازده بالا با انتخاب مناسب ضریب وظیفه دست یافت. در این مقاله برای بررسی نحوه عملکرد مبدل‏های پیشنهادی از تحلیل‏های نظری استفاده شده است و برای بررسی درستی تحلیل‏های نظری نتایج شبیه سازی مبدل در نرم افزار PSPICE، گزارش شده است.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Design and Simulation of a High Step-up Three Level Boost Converter with Coupled-Inductor and Passive Clamp

نویسندگان [English]

  • Mohsen Soltani 1
  • Seyyed Mohammad Mehdi Mirtalaee 2
1 MSc. - Department of Electrical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran
2 Assistant Professor – Department of Electrical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran
چکیده [English]

Recent developments in renewable energy sources has created demands for high step-up and high efficiency DC-DC converters. This demands are fulfilled basically through the use of high frequency transformer to achieve the required and desired gain. Power electronics solutions based on multi-converter structures provides economic methods for input and output power by combining a number of components. In this paper some of structures reviewed that have been proposed to achieve a high step-up converter and the advantages and disadvantages of these converters are discussed. The proposed converter is provided in order to reduce the voltage stress of high step-up converters based on coupled inductor and passive clamping circuit. The voltage stress of switches in the proposed converter is less than a simple boost converter also in this structure with using passive clamping circuit the oscillation of both sides of the switches is a little clamped and finally by using this technique it can achieve high gain by selecting the appropriate duty cycle. In this paper to review the principle of operation of the proposed converter theoretical analysis are provided and to verify the results of theoretical analysis of the proposed converter is given with its PSPICE simulation.

کلیدواژه‌ها [English]

  • Boost converter
  • three level converter
  • high step-up converters
  • Coupled inductors
  • Voltage stress
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