대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
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천이행렬과 전압 미분을 이용한 전력계통의 과도 안정도 해석

POWER SYSTEM TRANSIENT STABILITY ANALYSIS USING TRANSITION MATRIX AND VOLTAGE DERIVATIVES

  • 박영문 (서울대학교 공과대학 전기공학과) ;
  • 김광원 (서울대학교 공과대학 전기공학과)
  • Park, Young-Moon (Dept. of Electrical Engineering, Seoul National University) ;
  • Kim, Gwang-Won (Dept. of Electrical Engineering, Seoul National University)
  • 발행 : 1990.07.05
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초록

For transient stability analysis of a power system, the new method using transition matrix is introduced in this paper. At the present the, Runge-Kutta, Modified-Euler and Trapezoidal methods have been very popular in most stability programs, Modified-Euler and Trapezoidal methods are inferior in accuracy and Runge-Kutta method has problems in computation time. The proposed algorithm requires transition matrix and its integrated values with derivatives of nonlinear parts in nonlinear differential equations for stability analysis. The method presented in this paper is between Modified-Euler and Runge-Kutta methods from the view point of computation time and is superior to the other methods in accuracy.

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