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Voltage deviation and stability constrained VAr planning or reactive power planning (RPP) is an important challenging issue in power systems. This paper presents a new hybrid technique for modeling and solving RPP problem taking into account the static voltage stability constraint. First, the uncertain fuzzy clustering theory is employed to select new candidate VAr source locations. Then, modified...
This study proposes a new Multi-Stage Fuzzy Stabilizer (MSFS) in order to damp low-frequency oscillations in multi-machine power systems. The proposed MSFS is tuned by Modified Honey-Bee Mating Optimization (MHBMO) method which improves the local and global exploration of the standard HBMO method by changing the queen's speed reduction coefficient with a new parameter adjustment process. The objective...
Power system stabilizer (PSS), an auxiliary controller used in conjunction with the excitation system of synchronous generators, is mandatorily needed for damping low-frequency oscillations. FACTS devices are also increasingly being employed to provide sufficient damping for inter-area oscillations. However, uncoordinated tuning of PSSs and FACTS devices may cause unwanted interactions that further...
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