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The usage of remote signals obtained from a wide-area measurement system (WAMS) introduces time delays to a wide-area PSS, which would degrade system damping and even cause instability. This paper presents a novel method for designing a delay-dependent wide-area PSS to improve the angular stability of multi-machine interconnected power system with delay margin and prescribed degree of stability as...
This article demonstrates use of voltage source converter high voltage direct current (VSC-HVDC) and wide area controllers to improve power system stability. VSC-HVDC uses vector control and has a supplementary controller. Wide area controller with time delay compensation regulates the excitation of generator. VSC-HVDC model is introduced. The method of coordinated design of VSC-HVDC controllers and...
The static synchronous compensator (STATCOM) is one of the flexible AC transmission system (FACTS) devices. The STATCOM and wide area measurement system (WAMS) are used in power systems. This paper describes the coordinated design of the wide area controllers and STATCOM controllers using a bacterial foraging algorithm (BFA). BFA is a new type of global optimization algorithm. The parameters of the...
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