Critical Parameter Analysis and LQR Control for the Distribution System with DFIG
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In this paper, the modeling of distribution network with Doubly Fed Induction Generator (DFIG) is done in a different way where the resistances of the line are considered. Based on this modeling, this paper presents an analysis to investigate the critical parameters for distribution systems stability where DFIG is used as distributed generation. In order to analyze the critical parameters, the system is linearized about an operating point by using Taylor series expansion method. The critical parameters are investigated through the concept of eigenvalues and participation factors. This paper also shows the graphical output for different states by varying the line resistor. Finally, a Linear Quadratic Regulator (LQR) controller is proposed to improve the parameters disturbances in the distribution network with DFIG.
2012 IEEE Power and Energy Society General Meeting: New Energy Horizons - Opportunities and Challenges
Renewable Power and Energy Systems Engineering (excl. Solar Cells)