هماهنگی بهینه رله‌های دیستانس و اضافه جریان جهتی با استفاده ازالگوریتم ژنتیک

نوع مقاله : پژوهشی

نویسندگان

1 سمنان

2 زنجان

چکیده

هماهنگی مناسب بین رله‌های دیستانس و اضافه جریان در سیستم قدرت یکی از مهم‌ترین مسائل برای امنیت و پایداری سیستم است. در این مقاله روش جدیدی برای هماهنگی بهینه رلههای دیستانس و رله‌های اضافه جریان جهتی با در نظر گرفتن المان عنصر سریع و مشخصه های مختلف برای تمام رله های اضافه جریان به کمک الگوریتم بهینهسازی ژنتیک ارائه می‌شود. استفاده از المان عنصر سریع با تغییر در قیود هماهنگی امکان تنظیم زمان عملکرد ناحیه دوم رله‌های دیستانس با مقدار ثابت وکلاسیک را فراهم می‌کند. روش پیشنهادی بر روی شبکههای نمونه 8 باسه و 30 باسه اجرا شده و نتایج شبیه‌سازی، سودمندی این روش را در کاهش زمان عملکرد سیستم حفاظت را نشان می دهد.

کلیدواژه‌ها


عنوان مقاله [English]

Optimal Coordination Of Distance And Directional Overcurrent Relays Using GA

نویسنده [English]

  • mojtaba gharjehloo 1
1
2
چکیده [English]

Proper coordination between distance relays and overcurrent in the power system is one of the most important issues for security and stability of system. This paper presents a new method for optimal distance and directional overcurrent relays coordination by considering high set element and different characteristics for all overcurrent relays by using genetic optimization algorithm. Using high set element with the change in coordination constraints provides possibility of adjusting the second zone time of distance relays with constant and classical value. The proposed method is applied to 8-bus and the IEEE 30-bus test systems and simulation results, show usefulness of this method in reducing operation time of protection system.

کلیدواژه‌ها [English]

  • Optimal coordination Directional overcurrent relay Distance relay High set element Genetic algorithm
 
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