طراحی و ساخت یکسوساز کموتاسیون خط جریان بالا بر اساس تریستورهای موازی
الموضوعات :مهدی شاه پرستی 1 , محمد فرزي 2 , منصور عارفیان 3 , روزبه اسد 4 , مهدی شرعی‌پور 5
1 - دانشگاه آزاد اسلامی واحد تهران شرق
2 - پژوهشكده برق جهاد دانشگاهي
3 - پژوهشکده برق جهاددانشگاهی
4 - دانشگاه علم و صنعت ايران
5 - جهاد دانشگاهي واحد علم و صنعت
الکلمات المفتاحية: یکسوساز تریستوری جریان بالاولو تریستوریموازی‌سازی تریستورها,
ملخص المقالة :
این مقاله روند طراحی و ساخت یک یکسوساز جریان بالا از نوع کموتاسیون خط را ارائه می‌کند که در آن از شش ولو جریان بالا بهره گرفته شده و هر ولو از طریق موازی‌سازی چهارهای تریستوری موازی ساخته شده است. طراحی ساختار فیزیکی، چینش باس‌بارها و چیدمان تریستورهای موازی با استفاده از یک تکنیک ابتکاری چنان انجام شده که جریان به صورت مساوی بین آنها جاری شود. علاوه بر تمهیدات طراحی سخت‌افزاری و استفاده از روش‌های مرسوم در تحریک هم‌زمان و دقیق تریستورها، برای اطمینان از تقسیم جریان مساوی، یک تکنیک کنترلی جدید متکی بر اندازه‌گیری دمای هر یک از تریستورها و تصمیم‌گیری بر اساس آن، اقدام به آتش‌کردن آنها می‌نماید. در نهایت نتایج آزمایشگاهی یک یکسوساز نمونه 170 ولتی- 4000 آمپری جهت تأیید طراحی‌ها ارائه شده است.
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