Enhancement of Transient Stability in Multi Machine AC-DC Power Systems using Fuzzy

         This project is design based on the paper "Fuzzy Logic Controller for Enhancement of Transient Stability in Multi Machine AC-DC Power Systems". The main objective of this design is to propose a new control mechanism based on Fuzzy set theory to augment dynamic performance of a multi-machine power system. To have good damping characteristics over a wide range of operating conditions, deviations in speed and acceleration of the machines are chosen as the input signals to the fuzzy controller. These input signals are first characterized by a set of linguistic variables using fuzzy set notations .The fuzzy relation matrix allows a set of fuzzy logic operations that are performed on controller inputs to obtain the desired output. The effectiveness of the proposed controller is demonstrated by a multi-machine system example. The performance of with and without fuzzy controller demonstrates the efficacy of this new fuzzy PID controller. Simulink model 9-Bus System is shown in below figure.

Reference Paper-1: Fuzzy Logic Controller for Enhancement of Transient Stability in Multi Machine AC-DC Power Systems
Author Name: Uma Vani Marreddy , Ramana Rao P.V. and Jayaram Kumar S.V.
Source: IACSIT International Journal of Engineering and Technology
Year:2010
Reference Paper-2: STATCOM with FLC for Damping of Oscillations of Multi Machine Power System
Author Name: I. PRABHAKAR REDDY and B.V. SANKER RAM
Source: Journal of Theoretical and Applied Information Technology
Year:2005

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