Affiliation:
1. Regional Innovation Centre of Electrical Engineering University of West Bohemia in Pilsen Pilsen, Czech Republic
2. New Technologies for the Information Society University of West Bohemia in Pilsen Pilsen, Czech Republic
Abstract
Nowadays, electric power systems have been often operated close to their limits due to increased electric power consumptions, vast installments of renewable power sources and deliberated power market policies. This poses a serious threat to stable network operation and control. Therefore, voltage stability is currently one of key topics worldwide for preventing related black-out and islanding scenarios. In this paper, modelling and simulations of steady-state voltage stability problems in MATLAB environment are performed using author-developed computational tool implementing both conventional and more advanced numerical approaches. Their performance is compared with Simulink-based library Power System Analysis Toolbox (PSAT) in terms of solution accuracy, CPU time, and possible limitations. Their use for both real-time and off-line monitoring and assessment of system's voltage stability are also discussed.
Publisher
North Atlantic University Union (NAUN)
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