Automatic Generation Control of Multi-area Power System using Active Disturbance Rejection Control
|International Journal of Engineering Trends and Technology (IJETT)||
|© 2017 by IJETT Journal|
|Year of Publication : 2017|
|Authors : Y.V.L Charitha Reddy, Dr. M.S. Krishnarayalu
|DOI : 10.14445/22315381/IJETT-V43P236|
Y.V.L Charitha Reddy, Dr. M.S. Krishnarayalu "Automatic Generation Control of Multi-area Power System using Active Disturbance Rejection Control", International Journal of Engineering Trends and Technology (IJETT), V43(4),212-221 January 2017. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group
All national power system networks are multi-area networks interconnected by tie-lines. Automatic Generation Control (AGC) ensures the frequency and tie-line power errors are zero in the steady state so that nominal frequency and tie-line schedules are maintained. This can be achieved by sophisticated controllers. In this paper a three area power system is considered. The three areas consists of non reheat turbine thermal generator, reheat turbine thermal generator and hydro generator respectively. A control technique based on Active Disturbance Rejection Control (ADRC) is employed for this purpose. The resulting system is simulated using MATLAB Simulink software. The performance of ADRC is compared with classic PID Controller tuned by Zeigler-Nichols method. The outcome of ADRC is very good with low overshoots and minimum settling times.
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Multi-area Power System, Automatic Generation Control, Frequency error, Tie-line Power error, Active Disturbance Rejection Control, PID Control.