References
- 경부고속철도 서울-대구구간 전력품질 안정화대책 연구(1), 고속철도건설공단, 2002
- Yoshifumi Mochinaga, 'Higher Harmonics Resonance on AT Feeding Circuit and Countermeasures to Suppress it', T.IEE Japan, Vol.114-D, No.10, 1994
Journal of the Korean Society for Railway (한국철도학회논문집)
- Volume 7 Issue 1
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- Pages.60-64
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- 2004
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- 1738-6225(pISSN)
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- 2288-2235(eISSN)
Harmonic Generation and System Response Characteristics in Electrified Railway(I) - Focused on System Response Characteristics -
전기철도에서의 고조파 발생과 계통응답특성(I) - 계통응답특성을 중심으로 -
Abstract
Harmonic current originating from electric locomotives can be magnified due to the impedance characteristics of power supply circuit and bring about various problems. That is, electromagnetic interference with communication lines, operational trouble in signaling, overheat and/or vibration in power capacitor, mis-operation in protection relay and so on. Therefore, the exact assessment of the harmonic current flow must be undertaken at design and planning stage for the electric traction systems. for these reasons, this study propose a new approach to model and to analyse traction power feeding system focused on system response to current and voltage harmonic(PART I). Measurements of harmonics are also performed for railway power supply systems under normal operation. Spectrum and distortion analyses in measurement data are variously described in PART II.