doi: 10.7763/IJET.2010.V2.159
Fuzzy Logic Controller for Enhancement of Transient Stability in Multi Machine AC-DC Power Systems
M. Uma Vani
1,*
,
P. V. Ramana Rao
2,*
,
S. V. Jayaram Kumar
3
- 1 the Lakireddy Balireddy College of Engineering, Mylavaram, Andhra Pradesh, India
- 2 the National Institute of Technology, Warangal, Andhra Pradesh, India
- 3 the Jawaharlal Nehru Technological University, Hyderabad, Andhra Pradesh, India
Abstract
This paper discusses the impact of HVDC on Power System Stability and proposes 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 this fuzzy controller, in comparison to the conventional fixed gain controller, demonstrates the efficacy of this new fuzzy PID controller.
Keywords
- HVDC
- Eliminated variable method
- Power System Stability
- Multi–Machine Stability
- Current controller
- Fuzzy Logic Controller
How to Cite
M. Uma Vani, P. V. Ramana Rao, and S. V. Jayaram Kumar, "Fuzzy Logic Controller for Enhancement of Transient Stability in Multi Machine AC-DC Power Systems," International Journal of Engineering and Technology, vol. 2, no. 5, pp. 423-429, 2010. https://doi.org/ 10.7763/IJET.2010.V2.159
Copyright & License
Copyright © 2010 by the authors. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).