تنظیم هم‌زمان پارامترهای PSS و STATCOM در سیستم قدرت برای بهبود پایداری شبکه با استفاده از الگوریتم ژنتیک ترکیبی (BRGA)
محورهای موضوعی : مهندسی برق و کامپیوتر
علی رجایی ریزی
1
(دانشگاه اصفهان)
امین خدابخشیان
2
(مهندسی)
محمدرضا اسماعیلی
3
(دانشگاه اصفهان)
مجید محمودی
4
(دانشگاه اصفهان)
کلید واژه: پایدارساز سیستم قدرت (PSS) جبران‌ساز استاتیکی سنکرون (STATCOM) الگوریتم BRGA,
چکیده مقاله :
در این مقاله پایدارکننده سیستم قدرت (PSS) و کنترل‌کننده STATCOM به صورت هم‌زمان با استفاده از الگوریتم هوشمند ترکیبی ژنتیک (BRGA) جهت افزایش میرایی و کاهش نوسانات سیستم طراحی می‌شوند. این روش هوشمند ترکیبی دارای قدرت جست و جوی قوی و سرعت همگرایی بالاست. از انتگرال معیار قدر مطلق خطای چندزمانه (ITAE) به عنوان تابع هدف به منظور کاهش انحراف سرعت ژنراتورها و انحراف ولتاژ باس که در آن STATCOM نصب شده است استفاده خواهد شد. از یک سیستم قدرت دو ناحیه چهارماشینه جهت بررسی روش ارائه‌شده استفاده می‌گردد. مقایسه نتایج شبیه‌سازی ناشی از استفاده از روش BRGA و مقایسه آن با روش‌های GA و PSO، برتری الگوریتم پیشنهادی را در افزایش میرایی سیستم قدرت نشان می‌دهد.
This paper presents a new intelligent algorithm, named binary real genetic algorithm (BRGA) to design parameters of PSS and STATCOM controller simultaneously. The proposed algorithm has a strong search capability and high speed convergence to find the global optimum points. The objective function used in this paper to be minimized is the time integral absolute error (ITAE). The objective will be minimizing the deviations of rotor speed () and the voltage of the bus in which STATCOM has been installed. The simulations are carried out on a two-area four-machine power system to show the superior performance of the proposed method, when compared with GA and PSO algorithms.
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