طراحی چارچوب پرداخت هزینه خدمات جانبی پایداری سیگنال کوچک به پایدارسازهای سیستم قدرت در محیط تجدید ساختار
محورهای موضوعی : مهندسی برق و کامپیوترعرفان رياحي ساماني 1 , حسین سیفی 2 , محمدکاظم شیخ‌الاسلامی 3
1 - دانشگاه تربيت مدرس
2 - دانشگاه تربیت مدرس
3 - دانشگاه تربیت مدرس
کلید واژه: خدمات جانبي پايداري سيگنال كوچك پايدارساز سيستم قدرت بازار برق,
چکیده مقاله :
حفظ محدوده‌های مجاز بهره‌برداری از جمله وظایف اصلي بهره‌بردار مستقل سیستم (ISO) می‌باشد. افزایش روزافزون مصرف انرژي الکتريکي و تجديد ساختار در سيستم‌هاي قدرت باعث شده است که اين سيستم‌ها در نزديکي حدود پايداري خود کار کنند. يکي از مسائلي که در بهره‌برداري از سيستم‌هاي قدرت بايد مد نظر قرار گيرد پايداري سيستم در مقابل اغتشاشات سيگنال کوچک مي‌باشد. از جمله تجهیزاتی که می‌تواند در بهبود این پایداری مورد استفاده ISO قرار گیرد، می‌توان به پایدارساز سیستم قدرت اشاره نمود. در اين مقاله ابتدا مسئله تأثیر PSS بر پایداری سیگنال کوچک و تأثیر آن بر هزینه تولید پرداخته شده است و براي اين منظور الگوريتم NSGA-II مورد استفاده قرار گرفته شده است. همچنين سعي شده است تأثیر PSS واحدهای تولیدی در محیط تجدید ساختار بررسي شود و خدمتی که این تجهیزات ارائه می‌کنند به‌عنوان یک خدمت جانبی جدید معرفی و ارزش‌گذاری گردد. همچنین چارچوب مناسبی برای پرداخت عادلانه به PSS های شبکه بابت خدمتی که ارائه می‌نمایند، معرفی گردد.
An ISO is responsible for responsible for keeping system security within its specified limits. Rapid demand increase on one hand and less investment on transmission system and the other hand, have resulted in more stress on existing transmission grids. Therefore, various types of stability should be monitored and controlled. The small signal stability (SSS) is a type which may be improved using power system stabilizers (PSS). In this paper, though using the non-dominated sorting genetic algorithm version II (NSGA-II), it is, initially, shown how the PSSs may affect the generation cost as well as the SSS. Moreover, the service provided by PSSs is introduced as an ancillary service. A cost allocation framework is prospect in which the PSS owners are properly paid for their services provided.
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