کنترل فرکانس یک ریز شبکه خودگردان در حضور توربین بادی مجهز به ژنراتور القایی تغذیه دوبل

نوع مقاله: مقاله پژوهشی

نویسندگان

1 دانشگاه آزاد اسلامی واحد نجف آباد

2 طراح و ناظر تاسیسات الکتریکی در سازمان نظام مهندسی ساختمان، اصفهان، ایران

چکیده

با وجود افزایش نفوذ توربین‌های بادی، این نوع سیستم‌های تبدیل انرژی، نقشی در کنترل فرکانس ندارند و این وظیفه عمدتاً بر عهده واحدهای تولید سنتی است. توانایی توربین‌های بادی مجهز به ژنراتورهای القایی تغذیه دوبل مبتنی بر ارائه توان در سرعت‌های مکانیکی مختلف و نیز امکان کاهش لحظه‌ای سرعت و در نتیجه انتشار انرژی مکانیکی ذخیره شده، امکان حمایت از واحدهای سنتی در تنظیم فرکانس سیستم را فراهم می‌کند. در این مقاله بررسی نقش سیستم‌های مبدل انرژی باد، به ویژه توربین‌های بادی سرعت متغیر مبتنی بر ژنراتور القایی تغذیه دوبل در کنترل و تنظیم فرکانس با وجود ضریب نفوذ متفاوت باد در یک ریز شبکه‌ی مستقل شامل واحدهای سنتی حرارتی و غیر حرارتی ارائه شده است. دستیابی به این مهم با تنظیم مطلوب کنترل کننده‌های سرعت ژنراتور القایی تغذیه دوبل در سطوح مختلف نفوذ باد امکان پذیر بوده و این امر با بهره‌گیری از تکنیک الگوریتم ازدحام ذرات صورت پذیرفته است. همچنین نفوذ بهینه سیستم تبدیل انرژی باد با در نظر گرفتن پارامترهای تغییر فرکانس در ریز شبکه‌ی مورد مطالعه، بررسی شده است

کلیدواژه‌ها


عنوان مقاله [English]

Frequency Control in Autanamous Microgrid in the Presence of DFIG based Wind Turbine

نویسندگان [English]

  • Ghazanfar Shahgholian 1
  • Khosro Khani 2
  • Majid Moazzami 1
1 Islamic Azad University, Najafabad Branch
2 Electrical Designer and Supervisor in Iranian Organization for Engineering Order of Building, Isfahan, Iran
چکیده [English]

Despite their ever-increasing power injection into power grid, wind turbines play no role in frequency control. On the other hand, power network frequency is mainly adjusted by conventional power plants. DFIG-based wind turbines not only are able to produce power in various mechanical speeds, but they can also reduce speed instantaneously which, in turn, leads to mechanical energy release. Thus, they can aid conventional units in system frequency control. In this paper, the effect of wind energy conversion systems, especially variable speed DFIG-based wind turbines, in controlling and tuning of frequency is investigated when different penetration coefficients are considered in a isolated microgrid comprising of conventional thermal and non-thermal generating unit. To do this, optimal tuning of DFIG's speed controller is performed in different penetration levels using particle swarm optimization (PSO) technique. In addition, optimum penetration of wind energy conversion system is studied considering frequency change parameters in a microgrid

کلیدواژه‌ها [English]

  • Micro grid
  • frequency control
  • DFIG based on WT
  • PSO algorithm
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