طراحی و بهینه‌سازی محدودکننده جریان خطای حالت جامد برای بهبود پایداری و کیفیت توان: مطالعه موردی پالایشگاه گاز ایلام

نوع مقاله : مقاله پژوهشی

نویسندگان

1 گروه مهندسی برق، دانشگاه ایلام، ایلام، ایران

2 گروه مهندسی برق، دانشگاه شاهد، تهران، ایران

چکیده

این مقاله به بررسی طراحی بهینه یک محدود کننده جریان خطای حالت جامد (SSFCL) جهت کنترل جریان‌های اتصال کوتاه در شبکه‌های برق صنعتی می‌پردازد. افزایش سریع جریان‌های خطا در شبکه‌های توزیع نیروی برق به علت توسعه منابع تولید پراکنده و رشد تقاضای بار، می‌تواند موجب آسیب جدی به تجهیزات شود؛ از این رو، استفاده از SSFCL که در شرایط نرمال تأثیر ناچیز و در زمان خطا عمل محدودسازی سریعی دارد، اهمیت فراوانی پیدا کرده است. در این تحقیق، توپولوژی پیشنهادی مبتنی بر استفاده از سوئیچ‌های نیمه‌هادی (IGBT/SGTO) همراه با واحد کنترل هوشمند طراحی و شبیه‌سازی شده است. شبیه‌سازی‌ها با استفاده از نرم‌افزار PSCAD/EMTDC در سناریوهای مختلف (اتصال به باس، پس از ترانسفورماتور و حضور منابع تولید پراکنده) انجام شده و نتایج نشان‌دهنده بهبود قابل توجه پایداری شبکه و کاهش تلفات انرژی می‌باشد. یافته‌های حاصل از این مطالعه می‌تواند مبنایی جهت بهبود سیستم‌های حفاظتی در پالایشگاه‌ها و سایر صنایع انرژی باشد.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Design and Optimization of a Solid-State Fault Current Limiter for Improving Stability and Power Quality: A Case Study of Ilam Gas Refinery

نویسندگان [English]

  • Saeed Danyali 1
  • Osameh Bozorgzadeh 1
  • Amirreza Azizi 1 2
  • Mohammadamin Shirkhani 1
1 Department of Electrical Engineering, Ilam University, Ilam, Iran
2 Department of Electrical Engineering, Shahed University, Tehran, Iran
چکیده [English]

This paper investigates the optimal design of a solid-state fault current limiter (SSFCL) for controlling short-circuit currents in industrial power networks. The rapid increase of fault currents in power networks, due to the development of distributed generation sources and the growth of load demand, can cause severe damage to equipment. Therefore, the use of SSFCLs, which have a negligible impact under normal conditions and provide rapid limiting action during faults, has become increasingly important. In this study, a proposed topology based on the use of semiconductor switches (IGBT/SGTO) along with an intelligent control unit has been designed and simulated. Simulations were performed using PSCAD/EMTDC software under various scenarios (connection to the bus, after the transformer, and the presence of distributed generation sources), and the results demonstrate a significant improvement in network stability and a reduction in energy losses. The findings of this study can serve as a basis for improving protection systems in refineries and other energy industries.

کلیدواژه‌ها [English]

  • Fault Current Limiter (FCL)
  • Solid-State Fault Current Limiter (SSFCL)
  • Short-Circuit Current Management
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