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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS)
Benasla Mokhtar
Ibn khaldoun university
Control & Systems Engineering Electrical & Electronics Engineering

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The Use of Multiband PSS to Improve Transient Stability of Multimachine Power System Nacim Cherif; Allaoui Tayeb; Benasla Mokhtar
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 3, No 3: September 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

With the increase in demand for electrical energy, electrical networks must constantly work near their stability limits faster and more flexible. These grids are often subject to disturbances such as short circuits which cause the loss of stability of generators and the entire network. In this work we present two different approaches to PSS (power system stabilizer), the conventional PSS and multiband PSS in order to improve transient stability of multimachine network. The latter is subjected to a short-circuit current with a duration of 200ms just 350 km from the first generator. Multiband PSS offers an additional advantage since it produces a signal stabilizing not only from the variation of the angular velocity of the rotor as well as electrical power. Instead of one, it uses three filters (Lead/Lag) independent, each optimized for vibration damping local oscillations between interconnected networks and global oscillations. Different simulations were performed using the software matlab sympower system.DOI: http://dx.doi.org/10.11591/ijpeds.v3i3.3905
Co-Authors Allaoui Tayeb Nacim Cherif