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Journal of Applied Sciences
  Year: 2007 | Volume: 7 | Issue: 22 | Page No.: 3381-3390
DOI: 10.3923/jas.2007.3381.3390
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A New Systematic Procedure to Design an Automatic Generation Controller

A. Khodabakhshian

A new method to tune the controller parameters is presented in study for Automatic Generation Control (AGC) of hydro turbine power systems. The controller parameters are adjusted such that the maximum phase is located on the right-most point of the ellipse, corresponding the maximum peak resonance on the Nichols chart. For this system making the open-loop frequency response curve tangent to a specified ellipse is an efficient method for controlling the overshoot, the stability and the dynamics of the system. The robustness of the feedback PID controller has been investigated on a multimachine power system model and the results are shown to be consistent with the expected performance. The results are also compared with a conventional PI controller and shown to be superior; especially since the transient droop compensator of the speed governor is removed a much faster response is obtained. The region of acceptable performance for the LFC covers a wide range of operating and system conditions.
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How to cite this article:

A. Khodabakhshian , 2007. A New Systematic Procedure to Design an Automatic Generation Controller. Journal of Applied Sciences, 7: 3381-3390.

DOI: 10.3923/jas.2007.3381.3390






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