یافتن مکان و اندازه بهینه منابع تولید پراکنده و خازن در شبکه های توزیع انرژی الکتریکی با تقسیم‌بندی ریزشبکه‌ای با رویکرد پدافند غیرعامل

نوع مقاله : مقاله پژوهشی

نویسندگان

1 استادیار دانشکده فنی مهندسی، واحد یاسوج ، دانشگاه آزاد اسلامی، یاسوج ، ایران

2 استادیار دانشکده فنی مهندسی، واحد یاسوج، دانشگاه آزاد اسلامی، یاسوج، ایران

3 استادیار دانشکده فنی مهندسی، دانشگاه فسا، فارس، ایران

چکیده

پدافند غیر­عامل مسئله­ای است که در سالیان اخیر بیشتر مورد توجه قرار گرفته است و دارای این مفهوم که در برخی زمان­ها جوامع بشری با مشکلات طبیعی و غیر طبیعی مواجه می شوند. در صورتی که برای این حوادث از قبل برنامه­های مناسبی در نظر گرفته شده باشد مشکلاتی که در جوامع در اثر این حوادث به وجود می­آید بسیار کمتر بوده و شکی نیست که با توجه به وجود برخی مراکز در شهر­ها برخی نقاط از اهمیت بالایی برخوردار بوده و سعی شده که این نقاط تحت هر شرایطی خودکفا بوده و در نتیجه بتوان از تمامیت این نقاط در مقابل قطعی انرژی الکتریکی محافظت کرد. در این مقاله،  شبکه سراسری برق را به 8 ریز شبکه تقسیم بندی می­کنیم و به هر کدام از این ریزشبکه­ها منابع تولید پراکنده شامل توان اکتیو و راکتیو تخصیص داده شده است و سپس به­گونه‌ای با این 8 ریز شبکه که می‌توانند     به­ صورت پیوسته و نیز جزیره‌ای کار کنند رفتار شود که در صورتی که اتفاقی برای هر کدام از این شبکه‌ها در زمان حوادث رخ دهد و به هر دلیلی از شبکه اصلی قطع شوند این شبکه­ها بتوانند به­ صورت جزیره‌ای کار کرده و پاسخگوی نیاز بارهای هر قسمت باشند. در ادامه با استفاده از الگوریتم بهینه­ سازی وال یا نهنگ به جایابی مکان و اندازه منابع تولید پراکنده و نیز بانک­های خازنی پرداخته می­شود. با استفاده از این روش می­توان نیاز شبکه را به­صورت محلی پاسخ داده و به همین دلیل از تلفات زیاد توان و در نتیجه افت ولتاژ جلوگیری کرد.  برای بررسی نقش بهینه‌سازی در سناریو اول تعداد واحدهای منابع تولید پراکنده برابر 47 واحد و حداکثر تعداد بانک خازنی برابر با 38 واحد در نظر گرفته شده است. در اثر جایگذاری بهینه این واحدهای تولید توان در جاهای مناسب تلفاتی که قبل از بهینه‌سازی برابر با  227 کیلووات بوده بعد از بهینه‌سازی کاهش قابل توجهی داشته و به 122 کیلووات کاهش یافته است.

کلیدواژه‌ها

عنوان مقاله [English]

Finding the Optimal Size and Placement for the Sources of Distributed Generation (DG) of and Capacitors in the Distribution Networks by Microgrid Segmentation with a Passive Defense Approach

نویسندگان [English]

  • Mahmoud Zadehbagheri 1
  • Alireza Abassi 2
  • Mohammadjavad Kiani 3
1 Department of Electrical Engineering, Islamic Azad university of Yasooj
2 Department of Electrical, Faculty of Engineering, Fasa University, Fasa, Iran
3 Department of electrical
چکیده [English]

Passive defense is an issue that has received more attention in recent years. The concept of passive defense is that sometimes human societies face natural and unnatural problems. If there are appropriate plans for these events, the problems that arise in the communities as a result of these events are much fewer. There is no doubt that due to the existence of some centers in the cities, some places are of high importance. And it has been tried that these points are             self-sufficient under any conditions, and as a result, these points can be protected against electric power outages. In this article, we divide the national electricity network into 8 micro-grids. Each of these micro-grids is allocated scattered production sources including active and reactive power, and then in such a way that these 8 micro-grids can be, continuously, and also act as an island, so that if something happens to any of these networks during incidents and they are disconnected from the main network for any reason, these networks can work as an island and respond to the needs of the loads of each part. In the following, the location and size of scattered production sources and capacitor banks are discussed using the whale optimization algorithm. By using this method, the network needs can be answered locally, and for this reason, high power losses and voltage drop can be avoided. To investigate the role of optimization in the first scenario, the number of units of distributed generation resources is 47 units and the maximum number of capacitor banks is 38 units. As a result of the optimal placement of these power generation units in the right places, the losses, which were equal to 227 kW before the optimization, have significantly decreased after the optimization and have decreased to 122 kW.

کلیدواژه‌ها [English]

  • Distributed Generation Resources
  • Standard 69 Bus Network
  • Passive Defense
  • Optimization
  • Capacitor Bank
  • Microgrid

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مراجع

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  • تاریخ دریافت: 21 تیر 1401
  • تاریخ بازنگری: 13 آبان 1401
  • تاریخ پذیرش: 13 آذر 1401

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