یک روش هوشمند مبتنی بر سیستم چند‌عاملی به منظور حفاظت از شبکه‌های توزیع

محورهای موضوعی : مهندسی برق قدرت

دانیال علی بیگی ¹ , احسان عباسپور ² , بهادر فانی ³ , حیدر صامت ⁴

1 - دانشکده مهندسی برق، واحد نجف آباد، دانشگاه آزاد اسلامی، نجف آباد، ایران
2 - دانشکده مهندسی برق، واحد نجف آباد، دانشگاه آزاد اسلامی، نجف آباد، ایران
3 - دانشکده مهندسی برق، واحد نجف آباد، دانشگاه آزاد اسلامی، نجف آباد، ایران|مرکز تحقیقات ریزشبکه های هوشمند، واحد نجف آباد، دانشگاه آزاد اسلامی، نجف آباد، ایران
4 - دانشکده مهندسی برق، دانشگاه شیراز، شیراز، ایران

تاریخ دریافت : 1400/12/10 تاریخ پذیرش : 1401/03/17 تاریخ انتشار : 1401/03/01

کلید واژه: حفاظت هوشمند, سیستم چندعاملی, شبکه توزیع, تولید پراکنده,

چکیده مقاله :

امروزه حضور منابع تولید پراکنده این شبکه‌ها را به حالت پویا تبدیل کرده‌است. تغییر حرکت جریان، افزایش میزان جریان خطا و به دنبال آن از دست رفتن هماهنگی و همچنین اشتباه در عملکرد رله‌های نواحی سالم در شبکه از جمله مشکلات استفاده از این منابع بوده است. پیدا کردن راه حل برای رفع این دسته از مشکلات در طول سالیان متوالی، همواره چالش برانگیز بوده است. هدف این مقاله ارائه یک راه حل جدید در بررسی عملکرد سیستم حفاظت شبکه‌‌‌‌‌‌‌های انرژی الکتریکی به کمک تجهیزات هوشمند الکترونیکی و با استفاده از پروتکلهای ارتباطی موجود در سطح شبکه‌‌‌‌‌‌‌های توزیع می‌باشد. در سالهای اخیر استفاده از بستر مخابراتی و بکارگیری تجهیزات هوشمند بستری را فراهم کرده که توانسته است کارآمدی خود را در برابر تغییرات ناگهانی شبکه نشان دهد. سیستم چندعاملی، نام این بستر ارتباطی می‌باشد که توانسته است با طرحی نو، پیشگام در شروع یک تحول بنیادی در طراحی سیستمهای حفاظتی شبکه‌‌‌‌‌‌‌های انرژی الکتریکی باشد. این سیستم‌‌‌‌‌‌‌ها نشان داده‌اند که بدون مشکل نیز نبوده‌ و در مواردی شبکه را با مشکلاتی مواجه کرده‌اند. در طرح پیشنهادی ساختار چندلایه سیستم چندعاملی شکسته شده و سطوح از وابستگی یکدیگر خارج خواهند شد. بر خلاف روش حفاظتی سیستم چندعاملی که در گذشته وجود داشته است، تنظیمات حفاظتی در لحظه خطا برای تمام شبکه محاسبه نمی‌گردد. این مسئله که در روش‌‌‌‌‌‌‌های قبلی دیده نشده چگالی بار زیادی را هم از روی واحد مرکزی برداشته و سرعت عملکرد و قابلیت اطمینان در عملکرد سیستم حفاظت را بالا می‌برد.

چکیده انگلیسی:

Nowadays, the presence of distributed generations has made traditional networks into dynamic state. Current flow fluctuation, increment of fault current and as a result loss of coordination and also error in relays operation in safe sections in the network have been among the problems due to using these generations. Finding solution for these problems has always been challenging over the years. The purpose of this paper is to suggest a new solution in the study of protection system operation in electrical energy networks by using intelligent electronic equipment with communication protocols at the level of distribution networks. In recent years, telecommunications platform and intelligent equipment usage has provided a platform that has been able to show its effectiveness against network sudden changes. Multi-Agent system is the name of this communication platform that has been able to pioneer the beginning of a fundamental change in the design of protection systems in electrical energy networks by using a new scheme. These systems have shown that they have not been without problems and in some cases have caused problems for the network. In the proposed approach, the multilayer structure of the multi-agent system will be broken and the surfaces will be independent of each other. Unlike the typical multi-agent system protection method, protection settings at the moment of fault are not calculated for the entire network. This problem, which has not been seen in previous methods, also removes a large load density from the central unit and increases the operating speed and reliability of the protection system.

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