ارائه استراتژی پویا برای تجدید ارایش شبکه توزیع با توجه به اهمیت قابلیت اطمینان و امنیت سیستم

نوع مقاله: مقاله پژوهشی

نویسندگان

1 گروه مهندسی برق- واحد نیشابور- دانشگاه آزاد اسلامی- نیشابور- ایران

2 گروه مهندسی برق- دانشگاه فردوسی مشهد-مشهد- ایران

چکیده

تجدید ارایش فیدرهای شبکه توزیع یک مساله بهینه سازی در سیستم قدرت است که با تغییر وضعیت سوئیچینگ در شبکه توزیع برای براورده کردن توابع هدف خاصی انجام می‌شود. در این مطالعه، مساله تجدید ارایش پویا فیدرهای توزیع در حضور منابع تولید پراکنده و سیستم‌های ذخیره انرژی بهینه سازی شده است. با توجه به اینکه در مطالعات تجدید ارایش به قابلیت اطمینان و امنیت شبکه توجه کمتری شده است، به همین منظور سعی شده از تابع هدف انرژی توزیع نشده در کنار شاخص پایداری ولتاژ و تلفات انرژی در این مطالعه استفاده شود. به منظور بهینه سازی همزمان شاخص‌ قابلیت اطمینان و توابع هدف دیگر، طرح بهینه‌ای برای توپولوژی بهینه فیدرهای شبکه توزیع و همچنین شارژ و دشارژ سیستم‌های ذخیره انرژی ارائه شده است. با توجه به مساله پیچیده بهینه سازی در این مطالعه، الگوریتم بهبود یافته جهش قورباغه مبتنی بر یک استراتژی جدید جهش ارائه شده است. به منظور نشان دادن توانایی روش مورد نظر در ارائه طرح بهینه برای مساله بهینه سازی چند هدفه در این مطالعه، از یک شبکه 33 باسه استفاده شده است.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Providing a novel approach for dynamic feeder reconfiguration considering importance of reliability and grid's security

نویسندگان [English]

  • hossein lotfi 1
  • reza ghazi 2
  • mohammad bagher naghibi sistani 2
1 Department of Electrical Engineering, Neyshabur Branch, Islamic Azad University, Neyshabur, Iran
2 Department Electrical engineering, Ferdowsi University of Mashhad, Mashhad, Iran
چکیده [English]

This paper presents, a novel evolutionary method for dynamic feeder reconfiguration at the presence of distributed generators (DGs), energy storage (ES) units and solar photovoltaic (PV) panels. Modern distribution networks, in addition to the importance of economic issues, must operate at an acceptable level of system reliability, Failure to pay attention to the reliability importance can lead to irreparable damages in the distribution network. Regarding the importance of the objective functions including voltage stability index (VSI), energy loss and energy not supplied (ENS) has led to the presentation of a stochastic multi-objective framework for dynamic feeder reconfiguration in the presence of distributed generators (DGs), energy storage (ES) units and solar photovoltaic (PV) panels considering uncertainty of PV units. A modified shuffled frog leaping algorithm is provided in this study to solve the proposed optimization problem. In order to show the efficiency and supremacy of the proposed method is applied on 33-node test system.

کلیدواژه‌ها [English]

  • feeder reconfiguration
  • distributed generators
  • energy not supplied
  • energy storage system

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