지하철 전력 시스템 대한 상태추정

State Estimation in Subway Power Systems

  • 류헌수 (연세대학교 전기·전자공학과) ;
  • 하운관 ((주)효성 중공업PG 전력PU) ;
  • 문영현 (연세대학교 전기·전자공학과)
  • 발행 : 2002.01.01

초록

It is required that the current state of system should be Precisely monitored for efficient and safe operation of the subway power system and it is an important Problem to secure the high quality data for state estimation. The current state of subway power system is estimated by using data transmitted to control center from every measuring instrument. The high accuracy and trust can be maintained if the measured data have a high quality. But it is difficult to estimate the accurate state of system because of the noises in transmitted data and the inaccuracy of measuring instruments. So the object is to reduce the difference between the real values and the measured values in order to improve considerably the inaccuracy due to Instrumental errors and transmission noises using the state estimation method. In this paper, we proposes a new state estimation to estimate the accurate state of the subway power system from the measured values of a Sang-In station in Daegu subway and consider the possibility of application to the real subway power system. on the basis of that. The simulation results show to make sure of the possibility to apply to the real system usefully.

키워드

참고문헌

  1. F.C. Schweppe, J. Wildes and D.P. Rom, 'Power System Static State Estimation,' part 1, 2 and 3, IEEE Tran. On Power Apparatus and Systems, Vol. PAS-89, pp. 120-135, January 1970 https://doi.org/10.1109/TPAS.1970.292678
  2. J.F. Dopazo, O.A. Klitkin, G.W. Stagg and L.S. Van Slyck, 'State Calculation of Power System from Line Flow Measurements,' IEEE Tran. On Power Apparatus and Systems, Vol. PAS-89, pp. 1698-1708, November 1970 https://doi.org/10.1109/TPAS.1970.292826
  3. R.E. Larson, W.F. Tinney, L.P. Hajdu, and D.S. Piercy, 'State estimation in power systems. Part Ⅱ: Implementations and Application,' IEEE Tran. On Power Apparatus and Systems, Vol. PAS-89, pp, 353-363, November 1970 https://doi.org/10.1109/TPAS.1970.292712
  4. L. Mill, Th.Van Cutsem, M. Ribbons Pavella, 'Hypothesis testing identification : A new methods for bad data analysis in power system state estimation,' IEEE Trans. On Power Apparatus and Systems, Vol. PAS-103, pp. 3239-3252, Nov. 1984 https://doi.org/10.1109/TPAS.1984.318561
  5. A.P. Sakis, Fan Zhang, 'Multiphase Power Flow and State Estimation for Power Distribution Systems,' IEEE Trans. On PWRS, Vol. 11, No. 2, pp. 939-946, May 1996 https://doi.org/10.1109/59.496178
  6. R.F. Bischke, 'Power system state estimation : Practical consideration,' IEEE Tran. On Power Apparatus and Systems, Vol. PAS-100, No. 12, pp. 5044-5047, December 1984 https://doi.org/10.1109/TPAS.1981.316474
  7. Ke Li, 'State Estimation for Power Distribution System and Measurement Impact,' IEEE Tran. On PWRS, Vol. 11, No. 2, pp. 911-916, May 1996 https://doi.org/10.1109/59.496174
  8. C.N. Lu, J.H. Teng, et al., 'Distribution System State Estimation,' IEEE Tran. On PWRS, Vol. 10, No. 1, pp. 229-240, February 1995 https://doi.org/10.1109/59.373946
  9. 문영현 외, 'EMS 관련 소프트웨어 개발에 관한 연구 중간보고서,' 기초전력공학 공동 연구소, 1997
  10. EMS 관련 소프트웨어 개발에 관한 연구 중간보고서 문영현(외)