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H<SUB>∞</SUB> 최적 제어기법을 이용한 전력계통의 안정화에 관한 연구
허동렬(D. R. Hur),왕용필(Y. P. Wang),이정필(J. P. Lee),정형환(H. H. Chung) 동아대학교 해양자원연구소 1998 동아대학교 해양자원연구소 연구논문집 Vol.11 No.-
In this paper, we are considered various possible disturbance conditions in order to design controller, H<SUB>∞</SUB> optimal controller is successfully designed to control in such as situations. To do this, we are determined weighting function and design parameter γ to method of trial and error by Glover-Doyle algorithm. To compare with H<SUB>∞</SUB>-PSS and conventional-PSS which is applied in nominal system and load variations, the dynamic characteristics of H<SUB>∞</SUB>-PSS controller was verified which has a good response.
최적 변조 제어기를 이용한 교류-직류계통의 안정화에 관한 연구
정형환,허동렬 동아대학교 공과대학부설 생산기술연구소 1997 生産技術硏究所硏究論文集 Vol.2 No.1
In this paper, optimal modulation controller is designed to improve the stability of A.C. and A.C.-D.C. power system, and optimal theory is applied to select optimal modulation controller input signal. Optimal modulation controller for speed govemor and exiter controller system is constructed in A.C. power system, considering ACR-AVR, APR-AR as the control method of direct current system. It is considered that the stability of A.C. power system only and A.C.-D.C. power system against load fluctuationa and disturbance under case of optimal modulation control.