پخش بار بهينه در شبکه توزيع هوشمند مبتني بر قطع بهينه بار و بهبود شاخص پايداري ولتاژ
الموضوعات :سهیل درفشی بیگوند 1 , حمدی عبدی 2
1 - دانشگاه رازی
2 - دانشگاه رازي
الکلمات المفتاحية: پخش بار بهينه شاخص پايداري ولتاژ شبکه هوشمند قطع بار کنترل مستقيم بار ناپايداري ولتاژ,
ملخص المقالة :
شبکه هوشمند حاصل فعال‌شدن مصرف‌کنندگان در سيستم قدرت و ايفاي نقش آنها در زمينه برنامه‌ريزي و بهره‌برداري سيستم قدرت است. زيرساخت‌هاي ارتباطي، کنترلي و اندازه‌گيري به عنوان پل ارتباطي هوشمند، ارتباط دوسويه‌اي را بين مصرف‌کنندگان و شبکه قدرت برقرار نموده و زمينه را براي اجراي مؤثر برنامه‌هاي پاسخ‌گويي بار همانند کنترل مستقيم بار فراهم مي‌کنند. در اين مقاله پخش بار بهينه به عنوان يک مبحث مطالعاتي مهم در سيستم‌هاي قدرت مبتني بر کنترل مستقيم بار و يک شاخص پايداري ولتاژ جديد ارائه شده است. سادگي انجام محاسبات، وابستگي به ولتاژ، عدم وابستگي مستقيم به بار و همبندي شبکه و نيز عدم نياز به کاهش شبکه به فرم دو شين معادل، شاخص پايداري ولتاژ پيشنهادي را براي محاسبات بي‌درنگ با وجود تغيير الگوي بار مناسب ساخته است. در روش ارائه‌شده، قطع بهينه بار در تعدادي از بارهاي انتخابي شبکه با هدف بهبود شاخص پايداري ولتاژ ضعيف‌ترين شين سيستم مورد بررسي قرار گرفته است. روش پيشنهادي روي يک شبکه توزيع شعاعي 69شينه به عنوان يک شبکه هوشمند جهت تشخيص مؤثربودن آن اعمال شده است.
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