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Research Paper | Electrical Engineering | India | Volume 5 Issue 9, September 2016

Fuzzy Logic based Wind Energy Power System Stabilizer Design using H? Robust Technique

R. Sakthivel ^[2] | M. Arun ^[6]

Abstract: As the worlds power supply to a very larger degree based on wind turbines, it is consequently and increasingly essential that these are as reliable and available as possible. The main objective of the most of the wind energy systems is to extract the maximum power obtainable in the wind stream. However, the wind regime changes continuously and thus to follow these variations, the system controllers should be updated. The Robust Power System Stabilizer (RPSS) is designed using enhanced Artificial Bee Colony for designing the controllers for dynamical systems in electrical engineering. In this work, a fuzzy logic controller as power system stabilizer in wind turbine for stability enhancement of a multi-machine power system is proposed. Power System Stabilizers (PSSs) are added to excitation system or control loop of the generating unit to increase the damping during low frequency oscillations. In order to achieve the stability enhancement, speed deviation and acceleration of the rotor of synchronous generator is taken as the input to the fuzzy logic controller. These variables generate significant effects on damping of the generator shaft mechanical oscillations. The simulations are tested under various operating condition and the responses of stabilizing signal were computed. Their performance is compared with the traditional PID controller. The results of fuzzy controller are quite encouraging and acceptable.

Keywords: Wind energy, Power System Stabilizer, Enhanced Artificial Bee colony, Fuzzy logic controller, H

Edition: Volume 5 Issue 9, September 2016,

Pages: 1035 - 1042

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