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Alleviating the Small-Signal Oscillations of the SMIB Power System with the TLBO–FPSS and SSSC Robust Controller | ||
| Journal of Electrical and Computer Engineering Innovations (JECEI) | ||
| مقاله 10، دوره 5، شماره 2 - شماره پیاپی 10، مهر 2017، صفحه 163-170 اصل مقاله (3 M) | ||
| نوع مقاله: Original Research Paper | ||
| شناسه دیجیتال (DOI): 10.22061/jecei.2017.789 | ||
| نویسندگان | ||
| H. Shayeghi؛ A. Ahmadpour؛ E. Mokaramian | ||
| Department of Electrical Engineering, Faculty of Engineering, University of Mohaghegh Ardabili, Ardabil, Iran | ||
| تاریخ دریافت: 14 دی 1396، تاریخ بازنگری: 23 بهمن 1396، تاریخ پذیرش: 15 اسفند 1396 | ||
| چکیده | ||
| Power systems are subjected to small–signal oscillations that can be caused by sudden change in the value of large loads. To avoid the dangers of these oscillations, the Power System Stabilizers (PSSs) are used. When the PSSs can not be effective enough, installation of the Thyristor–based compensators to increase the oscillations damping is a suitable method. In this paper, a Static Synchronous Series Compensator (SSSC) is used in Single–Machine Infinite–Bus (SMIB). To control the signal of the output voltage of SSSC, a robust controller is used. Also, we proposed a hybrid control method to adjust the PSS voltage using Teaching–Learning Based Optimization (TLBO) algorithm and Fuzzy Inference System (FIS). Objective functions of designing parameters are based on Integral of Time multiplied by Absolute value of the Error (ITAE). The time–variations of angular speed deviations are investigated in different modes, including: with SSSC/PSS, without SSSC/PSS, different input mechanical power, and different system parameters. | ||
| کلیدواژه‌ها | ||
| Small–signal oscillations؛ Power system stabilizer؛ Static synchronous series compensator؛ Teaching–learning based optimization؛ Fuzzy inference system | ||
| مراجع | ||
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