طراحی ساختار مناسب ترانسفورماتور الکترونیک قدرت بر مبنای استفاده از مبدل های چند پورته با قابلیت نصب ذخیره ساز
الموضوعات : electrical and computer engineeringحمید کاوش 1 , مهدی سرادارزاده 2
1 - دانشكده مهندسي برق و كامپيوتر، دانشگاه صنعتی جندی شاپور دزفول، دزفول، ایران
2 - دانشكده مهندسي برق و كامپيوتر، دانشگاه صنعتی جندی شاپور دزفول، دزفول، ایران،
الکلمات المفتاحية: پل فعال چندگانه, ترانسفورماتور الکترونیک قدرت, ذخیرهسازی انرژی, شیفت فاز تکی.,
ملخص المقالة :
ترانسفورماتور الکترونیک قدرت (PET) بهعنوان جایگزینی مناسب برای ترانسفورماتورهای معمول فرکانس خط (LFT) در سیستمهای قدرت مدرن در نظر گرفته میشود. همچنین، در کاربردهای با توان و ولتاژ بالا، ساختارهای مدولار مانند پل H آبشاری (CHB)، به عنوان راهحلهای مناسب برای طراحی PET شناخته میشوند. با این حال، در توپولوژیها موجود معرفیشده، توانهای اعوجاجی فرکانس پایین در خازنهای لینک DC و عملکرد نامناسب در هنگام خطا میتواند از معضلات این توپولوژیها باشد که معمولاً بر اساس مبدل پل فعال دوگانه (DAB) طراحی میشوند. به منظور حل این مسئله، این مقاله چند ساختار مبتنی بر مبدلهای چندپورته پیشنهاد میکند که با پیکربندی مناسب میتوانند معضلات مطرحشده را رفع کنند. استفاده از چند مبدل پل فعال پنجگانه و ابرخازن و ارائه یک روش کنترل مناسب جهت کنترل توان بین پورتها به طراحی جدید یک ترانسفورماتور الکترونیک قدرت با دینامیک بالا و قابلیت عملکرد در هنگام خطا در MV و LV منجر خواهد شد. طراحی مفهومی و مطالعات شبیهسازی انجامشده با استفاده از Matlab/Simulink اثربخشی و عملکرد مناسب توپولوژیهای پیشنهادی را نشان میدهد.
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