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Fast Transient Hybrid Neuro Fuzzy Controller for STATCOM During Unbalanced Voltage Sags | ||
| AUT Journal of Electrical Engineering | ||
| مقالات آماده انتشار، پذیرفته شده ، انتشار آنلاین از تاریخ 19 مهر 1396 | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22060/eej.2017.12153.5048 | ||
| نویسندگان | ||
Javad Shokrollah Moghani  1؛ alireza khoshsaadat2؛ Reza Zaheri Abdevand1؛ Mehrdad Abedi1
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| 1Amirkabir University of Technology | ||
| 2Amirkabir University of Technology (AUT) | ||
| چکیده | ||
| A static synchronous compensator (STATCOM) is generally used to regulate voltage and improve transient stability in transmission and distribution networks. This is achieved by controlling reactive power exchange between STATCOM and grid. Unbalanced sags are the most typical type of voltage sags in distribution networks. Several studies have been conducted to improve voltage support capability of STATCOM during unbalanced voltage sags. In this paper, current control scheme for STATCOM is implemented. A hybrid neuro-fuzzy controller is proposed. The controller has minimum mass of calculations. Learning process is carried out by an improved supervisory error-back propagation (SEBP) method instead of usual EBP algorithm. This results in better performance and efficiency and leads to a robust model with fast transient capability. The model is developed in MATLAB/SIMULINK environment. STATCOM operation during scenarios of balanced and unbalanced voltage sags is studied. A comparison is made between the proposed controller and proportional-resonant controller. The results show superior capability of neuro-fuzzy controller in maintaining system voltage. | ||
| کلیدواژه ها | ||
| STATCOM؛ Voltage sag؛ Neuro-fuzzy systems | ||
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آمار تعداد مشاهده مقاله: 14 |
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