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Design of LQR Controller of DSIATCOM for Compensating Voltage Sag Using PSCAD/EMTDC  

이명언 (서일대학 전기과)
정수영 (서울대학교 전기공학)
최규하 (건국대학교 전기공학과)
Publication Information
Journal of Energy Engineering / v.13, no.1, 2004 , pp. 68-74 More about this Journal
Abstract
This paper presents the design of DSTATCOM (Distribution Static Synchronous Compensator) controller. The results are verified by using PSCAD/EMTDC package. The state equation derived by decomposition analysis of DSTATCOM current component is applied to load model and the combined model which considered constraint condition. In case of single line to ground fault, the conventional method of Pl control is compared with LQR control technique. LQR control is shown to be superior in terms of response profile and composition of voltage sag.
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