{"title":"Control system design of UPFC for power system damping enhancement taking into account rating of converter during oscillation","authors":"H. Kohno, A. Yokoyama","doi":"10.1109/PTC.1999.826595","DOIUrl":null,"url":null,"abstract":"The unified power flow controller (UPFC) has the possibility to damp power system oscillations more effectively than power electronics applied devices such as SVG and TCSC. In this paper, a control system design of a UPFC for power system damping enhancement based on eigenvalue control method was proposed. As a result, it was made clear that the best design method is to determine steady-state value of UPFC control variables and control parameters of UPFC such as gains and time constants simultaneously because controllability of UPFC depends on the steady-state values of UPFC and the power flow condition. A UPFC control system, taking into account the ratings of power converters, is proposed. The effectiveness of the proposed control is verified by the digital time simulation.","PeriodicalId":101688,"journal":{"name":"PowerTech Budapest 99. Abstract Records. (Cat. No.99EX376)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1999-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"PowerTech Budapest 99. Abstract Records. (Cat. No.99EX376)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PTC.1999.826595","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
The unified power flow controller (UPFC) has the possibility to damp power system oscillations more effectively than power electronics applied devices such as SVG and TCSC. In this paper, a control system design of a UPFC for power system damping enhancement based on eigenvalue control method was proposed. As a result, it was made clear that the best design method is to determine steady-state value of UPFC control variables and control parameters of UPFC such as gains and time constants simultaneously because controllability of UPFC depends on the steady-state values of UPFC and the power flow condition. A UPFC control system, taking into account the ratings of power converters, is proposed. The effectiveness of the proposed control is verified by the digital time simulation.
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