{"title":"Dual-axis supplementary controllers for multi-machine power systems","authors":"Y. Abdel-Magid, A. Rahim, M. Al-Yadoumi","doi":"10.1109/IAS.1991.178081","DOIUrl":null,"url":null,"abstract":"The effect of an additional field winding on the quadrature axis of the rotor of a synchronous generator in suppressing undesirable sustained oscillations experienced in multimachine power system is investigated. A small-perturbation model for interconnected power systems with dually excited synchronous machines is developed. A two-level optimal control strategy incorporating controls both on the direct and quadrature axes field windings is developed. A 3-machine, 9-bus power system was selected for studying the dynamic behavior of multimachine systems when stabilizing signals both on the direct and quadrature axes of the various machines are used. From a number of case studies it has been observed that an appropriate additional control in the quadrature axis enhances the stability of the system substantially.<<ETX>>","PeriodicalId":294244,"journal":{"name":"Conference Record of the 1991 IEEE Industry Applications Society Annual Meeting","volume":"79 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1991-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Conference Record of the 1991 IEEE Industry Applications Society Annual Meeting","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IAS.1991.178081","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The effect of an additional field winding on the quadrature axis of the rotor of a synchronous generator in suppressing undesirable sustained oscillations experienced in multimachine power system is investigated. A small-perturbation model for interconnected power systems with dually excited synchronous machines is developed. A two-level optimal control strategy incorporating controls both on the direct and quadrature axes field windings is developed. A 3-machine, 9-bus power system was selected for studying the dynamic behavior of multimachine systems when stabilizing signals both on the direct and quadrature axes of the various machines are used. From a number of case studies it has been observed that an appropriate additional control in the quadrature axis enhances the stability of the system substantially.<>
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