A Study on Control Characteristic and Application of Optimal Modulation Controller for HVDC Transmission System

초고압 직류 송전 시스템에 대한 최적 변조 제어기의 적용 및 제어 특성에 관한 연구

  • Lee, J.M. (Dept. of Electrical Engineering at DongA Univ.) ;
  • Hur, D.R. (Dept. of Electrical Engineering at DongA Univ.) ;
  • Chung, D.I. (Dept. of Electrical Engineering at DongA Univ.) ;
  • Chung, H.H. (Dept. of Electrical Engineering at DongA Univ.)
  • Published : 1999.07.19

Abstract

Recently, according to the growth of national economy and the improvement of lining conditions, electric power demand is increasing gradually. So it is being examined to construct large thermal power plants or nuclear plants. For the effective use of lands and for the economy of generations sites, the distance between generation and demand locations becomes farther and farther. At the same time, people desire higher quality or electric power. So in this paper, the optimal modulation controller for HVDC transmission system are designed by a recursive algorithm that determines the state weighting matrix Q of a linear quadratic performance. It means that the application of optimal modulation controller in HVDC transmission system can contribute the propriety to the improvement of the stability in HVDC transmission system.

Keywords