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Design of controllers for electrical power systems using a complex root locus method

By Arnau Dòria Cerezo and Marc Bodson

Abstract

© 20xx IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.A large class of three-phase electrical power systems possess symmetry conditions that make it possible to describe their behavior using single-input single-output transfer functions with complex coefficients. In such cases, an extended root locus method can be used to design control laws, even though the actual systems are multi-input multi-output. In this paper, the symmetric conditions for a large class of power systems are analyzed. Then, the root locus method is revisited for systems with complex coeffcients and used for the analysis and control design of power systems. To demonstrate the benefits of the approach, this paper includes two examples: 1) a doubly fed induction machine and 2) a three-phase LCL inverter.Postprint (author's final draft

Topics: Àrees temàtiques de la UPC::Energies::Energia elèctrica, Electric power, Electric power system control, MIMO systems, Power control, Root loci, Standby power systems, Energia elèctrica
Year: 2016
DOI identifier: 10.1109/TIE.2016.2521599
OAI identifier: oai:upcommons.upc.edu:2117/90440

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