طراحی کنترلکننده مقاوم محدوده وسیع SVC جهت میرایی نوسانات بینناحیهای در سیستم قدرت
الموضوعات :سعید اباذری 1 , عباس عرب دردری 2 , مجتبی برخورداری یزدی 3 , محمدصادق پیام 4
1 - دانشگاه شهرکرد
2 - دانشگاه آزاد اسلامی واحد نجف آباد
3 - دانشگاه شهید باهنر کرمان
4 - دانشگاه شهرکرد
الکلمات المفتاحية: نوسانات مد بین ناحیهای کنترل مقاوم نامعادلات ماتریس خطی (LMI) SVC کنترلکننده محدوده وسیع (WAC),
ملخص المقالة :
یکی از مسایل مهم در سیستمهای قدرت، افزایش توان انتقالی خطوط میباشد. وجود نوسانات بینناحیهای در سیستمهای قدرت بر ظرفیت توان انتقالی تأثیر میگذارد که این تغییرات میتواند بر کارکرد مصرفکنندهها و راندمان شبکه تأثیر منفی داشته باشد. بنابراین بهرهگیری از روشهایی که میتوانند در کاهش نوسانات بین ناحیهای تأثیرگذار باشند، حائز اهمیت است. استفاده از ادوات FACTS باعث افزایش این توان انتقالی میگردد. در این مقاله علاوه بر جایابی SVC، روش حساسیت مرکب ∞H و فرمولبندی محاسبه پارامترهای کنترلکننده با استفاده از تکنیک LMI جهت اعمال سیگنال کمکی به SVC با هدف بهبود نوسانات سیستم قدرت پیشنهاد گردیده است. این کنترلکننده بر سیستم اندازهگیری محدوده وسیع (WAMS) متکی میباشد. روشهای پیشنهادی در یک شبکه 16ماشینه- 68باسه با 5 ناحیه پیادهسازی گردیده است. نتایج عملکرد خوب و مقاوم کنترلکننده در میرایی نوسانات را نشان میدهد.
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