پخش بار بهينه در شبكههاي انتقال HVAC/HVDC با يك الگوريتم ابتكاري تركيبي
الموضوعات :سيدجلال سيدشنوا 1 , حسین سیفی 2 , محمدصادق سپاسیان 3
1 - دانشگاه محقق اردبيلي
2 - دانشگاه تربیت مدرس
3 - دانشگاه شهید بهشتی
الکلمات المفتاحية: پخش بار بهينه PSO روش تكامل تفاضلي HVDC,
ملخص المقالة :
در اين مقاله مدلي براي پخش بار بهينه در شبكههاي انتقال HVAC/HVDC ارائه شده است. پخش بار بهينه از ابزارهاي اصلي در مطالعات برنامهريزي و بهرهبرداري از شبكههاي برق ميباشد. عدم تحدب، غير خطي بودن، وجود متغيرهاي گسسته در كنار متغيرهاي پيوسته و وجود همبستگي بالا بين متغيرها، مسأله پخش بار بهينه را به مسألهاي پيچيده تبديل كرده است. در مدل ارائهشده اين مقاله براي پخش بار بهينه، پارامترهاي كنترلي شبكه و اتصالات HVDC موجود در آن بهنحوي تنظيم ميشوند كه نياز به تجهيزات اضافي براي عملكرد مناسب شبكه در حالت پخش بار AC حداقل شده و در عين حال شبكه بيشترين حاشيه امنيت را داشته باشد. براي حل مدل ارائهشده يك الگوريتم تكاملي تركيبي حاصل از تركيب روشهاي ابتكاري PSO و روش تكامل تفاضلي پيشنهاد شده و كارايي مدل و الگوريتم پيشنهادي براي شبكه آزمون 30 باس IEEE مورد آزمايش قرار گرفته است.
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