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Design of a robust PID controller for load frequency control of non-minimum phase hydro power plants using the quantitative feedback theory (QFT) is addressed in this paper. Motivated by the large uncertainty in dynamic models of power system components this paper proposes a simple and systematic procedure to tune the parameters of the controller. The(More)
—The ability of data recovery during communicational failures is one of the significant advantages of the wide area measurement system (WAMS) with hierarchical structure. For this purpose, in addition to the proper partitioning of the WAMS, the relative location of phasor measurement units (PMUs) and phasor data concentrators (PDCs) should be selected so as(More)
Power System Stabilizers are used to generate supplementary control signals for the excitation system in order to damp the low-frequency power system oscillations. Although Static VAR Compensators (SVC) are basically used for voltage control of long distance bulk power transmission lines, they can be also utilized to improve the dynamic stability of the(More)
This paper presents a new method to design a Power System Stabilizer (PSS) using Smart Bacteria Foraging Algorithm (SBFA). The proposed algorithm can conduct bacteria at a smart direction to decrease the cost function better than conventional Bacteria Foraging (BFA) method. This algorithm not only considers social intelligence, but also emphasizes the(More)
This paper presents a new method for tuning the parameters of a PID controller for power system load frequency control. A systematic tuning method is developed. This approach leads to a robust controller design using quantitative feedback theory (QFT). The results of this new load frequency controller are compared in simulation with a conventional PI one(More)
This paper presents a novel optimization approach using hybrid algorithm, named BF-NM, to determine the optimal values for the proportional-integral (PI) controller parameters in automatic generation control (AGC) of a single-machine-infinite-bus system. A local search algorithm called Nelder-Mead is combined with BF technique to improve optimization(More)