طراحی و پیاده‌سازی ساختار جدید برای مبدل کاهنده-افزاینده با قطبیت مثبت ولتاژ خروجی

نوع مقاله : مقاله برق

نویسندگان

1 گروه مهندسی برق، دانشگاه محقق اردبیلی، اردبیل، ایران

2 گروه مهندسی برق، دانشگاه واسا، واسا، فنلاند

چکیده

این مقاله یک مبدل کاهنده-افزاینده DC-DC غیرمعکوس جدید با محدوده گسترده‌ای از نسبت تبدیل را ارائه می‌دهد. مبدل کاهنده-افزاینده پیشنهادی بر مبنای مبدل ZETA است و مزایای مبدل ZETA نظیر جریان ورودی پیوسته و قطبیت مثبت ولتاژ خروجی را دارد و آن را برای کاربردهای صنعتی و انرژی‌های تجدیدپذیر مناسب می‌سازد.‌ بهره ولتاژ مبدل پیشنهادی بالاتر از مبدل ZETA است و پیوستگی جریان ورودی نیز باعث کاهش تنش جریان ورودی می‌شود. این مبدل در مد هدایتی پیوسته (CCM) در دو حالت کاری عمل می‌کند. کلیدزنی سوئیچ‌ها به صورت همزمان اتفاق می‌افتد که منجر به کنترل ساده آن می‌شود. ریپل ولتاژ خروجی و تنش جریان خازن خروجی مبدل با توجه به جریان خروجی پیوسته کاهش می‌یابد. تحلیل محاسباتی، مدل‌سازی سیگنال کوچک و بازده مبدل پیشنهادی با لحاظ تأثیر المان‌های پارازیتی در این مقاله ارائه شده است. همچنین تحلیل مقایسه‌ای با دیگر توپولوژی‌های مشابه انجام شده است. در نهایت، یک نمونه اولیه برای تأیید صحت تحلیل محاسباتی پیاده‌سازی شده و نتایج شبیه‌سازی و آزمایشگاهی ارائه شده است.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Design and Implementation of a New Non-Inverting DC-DC Buck-Boost Converter

نویسندگان [English]

  • Majid Hosseinpour 1
  • Milad Heidarvand 1
  • Mahdi Shahparasti 2
1 Department of Electrical Engineering, University of Mohaghegh Ardabili, Ardabil, Iran
2 School of Technology and Innovations, Electrical Engineering, University of Vaasa, Vaasa, Finland
چکیده [English]

In this paper, a novel DC-DC buck-boost converter with a wide conversion ratio is introduced. With the advantages of the ZETA converter, such as continuous input current and positive polarity of the output voltage, the proposed buck-boost converter is well suited to industrial and renewable energy applications. With a voltage gain higher than the ZETA converter, the proposed converter also reduces input current stress due to its continuity. Two operating states are available for this converter in continuous conduction mode (CCM). This converter has two switches that operate simultaneously, and it can be controlled easily. As a result of the converter's continuous output current, output voltage ripple and output capacitor current stress are reduced. Computational analysis, small signal modeling and efficiency of the proposed converter considering the influence of parasitic elements are presented in this paper. This converter has also been compared with other similar and recently presented topologies. Finally, a prototype is implemented to verify the accuracy of the computational analysis, and simulation and experimental results are presented.
 

کلیدواژه‌ها [English]

  • Buck-Boost converter
  • ZETA converter
  • Continuous input current
  • Non-Inverting structure

مراجع

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مدل سازی در مهندسی
دوره 23، شماره 80
در حال تکمیل شدن
فروردین 1404
صفحه 75-94

فایل ها

سابقه مقاله

  • تاریخ دریافت: 21 آبان 1402
  • تاریخ بازنگری: 22 خرداد 1403
  • تاریخ پذیرش: 03 تیر 1403

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