전기철도 급전시스템의 설계와 평가에 관련하여 어려운 점은 고려해야 할 요소들이 많고, 시스템적 접근이 요구되나 단편적인 논문과 엔지니어링 측면의 접근이 대부분이다. 본 논문에서는 전기철도 시스템 중 국내외에서 최근 활발히 추진되고 있는 경량전철을 위한 직류 급전시스템의 설계 및 그의 적정성을 평가하는 기법을 체계화하였다. 먼저, 급전 시스템의 구성요소인 급전 변전소와 부하인 차량과 그리고 전력선을 포함한 전체 시스템의 특성파악하고 분석하였다. 실제 계통과 동일하게 모델링하기 위하여 축약 및 등가화를 하였으며, 등가화한 시스템을 해석하기 위한 방안으로 노드방정식과 반복접근법을 적용하였으며, 이를 체계화하여 모의절차, 평가 및 설계방법을 제시하였다. 제시한 알고리즘 및 설계절차에 따라 프로그램을 개발하였으며 사례연구를 통하여 그 유효성을 입증하였다.
전기철도 급전시스템의 설계와 평가에 관련하여 어려운 점은 고려해야 할 요소들이 많고, 시스템적 접근이 요구되나 단편적인 논문과 엔지니어링 측면의 접근이 대부분이다. 본 논문에서는 전기철도 시스템 중 국내외에서 최근 활발히 추진되고 있는 경량전철을 위한 직류 급전시스템의 설계 및 그의 적정성을 평가하는 기법을 체계화하였다. 먼저, 급전 시스템의 구성요소인 급전 변전소와 부하인 차량과 그리고 전력선을 포함한 전체 시스템의 특성파악하고 분석하였다. 실제 계통과 동일하게 모델링하기 위하여 축약 및 등가화를 하였으며, 등가화한 시스템을 해석하기 위한 방안으로 노드방정식과 반복접근법을 적용하였으며, 이를 체계화하여 모의절차, 평가 및 설계방법을 제시하였다. 제시한 알고리즘 및 설계절차에 따라 프로그램을 개발하였으며 사례연구를 통하여 그 유효성을 입증하였다.
For the design of DC traction power supply system at new Light Rail Transit(LRT) construction, it is very important to determine system configuration, location and power capacity of substation. However, a LRT system consists of a number of subsystems such as train movement, power supply and traction...
For the design of DC traction power supply system at new Light Rail Transit(LRT) construction, it is very important to determine system configuration, location and power capacity of substation. However, a LRT system consists of a number of subsystems such as train movement, power supply and traction drives, which inevitably contains many complexities and diversities. The objective of this paper is to clarify and systematize the design procedure and its assessment for the electrification system of a LRT line. This paper discusses in detail our approach to system design and its assessment. The whole DC-feeding network configuration, characteristics of a train, and design method of substation arrangements is thoroughly investigated for the design. As a result of the investigations, the design procedure is clarified and systematized and a computer program for the design and evaluation of the system is developed using the most suitable iterative method with nodal equation. To verify the proposed design and its assessment procedure, case studies for the DC traction power supply system of a planed Korean LRT line are performed.
For the design of DC traction power supply system at new Light Rail Transit(LRT) construction, it is very important to determine system configuration, location and power capacity of substation. However, a LRT system consists of a number of subsystems such as train movement, power supply and traction drives, which inevitably contains many complexities and diversities. The objective of this paper is to clarify and systematize the design procedure and its assessment for the electrification system of a LRT line. This paper discusses in detail our approach to system design and its assessment. The whole DC-feeding network configuration, characteristics of a train, and design method of substation arrangements is thoroughly investigated for the design. As a result of the investigations, the design procedure is clarified and systematized and a computer program for the design and evaluation of the system is developed using the most suitable iterative method with nodal equation. To verify the proposed design and its assessment procedure, case studies for the DC traction power supply system of a planed Korean LRT line are performed.
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문제 정의
In this paper, we clarified and systematized the design procedure and its assessment for DC traction power supply system of a LRT line, which is bdng most important in case of introduction and operation of the system The main conclusions in this paper are summarized as follows.
Only some advanced coirpanies have itself program for the design, those contents also are not exhibiting. The objective of this paper is to clarify and systanatize the design procedure and its assessment for the electrification system of an electric railway. This paper will discuss in detail our approach to system design and its assessment.
The objective of this paper is to clarify and systanatize the design procedure and its assessment for the electrification system of an electric railway. This paper will discuss in detail our approach to system design and its assessment.
제안 방법
2) The development of a corrputer program for the design and its assessment of the system has been made using the most suitable iterative method with nodal equation at network analysis and power calculations.
4) To verify the proposed design procedure and effectiveness of the developed program, the design of DC traction system for a planed Korean Light Rail Transit(LRT) line was conducted. Therefore, most suitable locations of the substation and their capacities were determined using the result of simulation according to the proposed procedure based on the IEC and the EN50163.
The most important part for the design of power supply system is the DC power flow calculation. Because the power and voltage constraints make the problem nonlinear, the iterative numerical solution should be needed The detailed investigation is given to sdect the most efficient circuit solution method for the simulation of DC-fed complex traction-power systems. Many iterative techniques have been reported in technical literature on the solution of conplex DC-rail-traction systems[4-6] and current-vector iterative method is assessed the best way of them in this pap&\ The method is applied to the proposed simulation program This paper also describes how to evaluate and design the system from simulation results.
대상 데이터
To illustrate the design procedure and demonstrate the developed program, the suitable LRT line udiich has 4 substations, 1 depot and 9 stations with a double track was selected. Table 1 shows data of line and stations.
이론/모형
Therefore, most suitable locations of the substation and their capacities were determined using the result of simulation according to the proposed procedure based on the IEC and the EN50163.
성능/효과
1) For the analysis and design of the system, characteristics of a train, feeding network configuration, and design method of substation arrangements have been clarified.
후속연구
The systematized design prwess together with the program developed at this study is expected to be used as a reference to determine the capacity for the DC feeding electrification systems in the 싄ectric railway.
참고문헌 (8)
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Y. Cai, M.R. Irving, S.H. Case 'Iterative techniques for the solution of complex DC-rail-traction systems including regenerative', IEE Proceeding Generation, Transmission and Distribution, Vol. 142, No. 5, pp.445-452, 1995
N.H. Kim, B.S. Baek, Y.J Jeon, J.H Kim, S.G Jung, 'The design of the traction power supply for the test line of Light Rail Transit' International Conference on Electrical Engineering, pp. 2461-2464, 2002
B.S. Baek, Y.J. Jeon, S.B. Lee, K.J. Kim, J.K. Kim, 'A study on Capacity Design of DC Feeding system in Electrical Railways', Hyundai Engineering review, Vol. 21, No. 1, pp. 81-88, 2001
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