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일반철도선로에서의 전동차 시험운행에 대한 고조파 측정연구Harmonics Measurement of the Running Test EMU Train in Conventional Railway Lines
- Other Titles
- Harmonics Measurement of the Running Test EMU Train in Conventional Railway Lines
- Issue Date
- 2016
- Publisher
- 대한전기학회
- Keywords
- EMU(electric multiple unit); Electric quality; Existing lines; Harmonics; THD(total harmonic distortion)
- Citation
- 전기학회 논문지 P권, v.65, no.2, pp.77 - 83
- Journal Title
- 전기학회 논문지 P권
- Volume
- 65
- Number
- 2
- Start Page
- 77
- End Page
- 83
- ISSN
- 1229-800x
- Abstract
- The electric quality of train is represented by voltage and current harmonics at PT(Ratio 25,000/15/[V]) which is located between pantograph and primary winding of train transformer. In this paper, voltage and current harmonics were measured on the test EMU(electric multiple unit)train with maximum speed of 180km/h in existing railway lines(chungbuk, Taeback, Honam). As a results of test, it is found that the electric quality of train depends on the mostly operation conditions which is accelerating mode and braking mode on each sections. Voltage THD is above all 3[%] and current harmonics is monitored from lowest Harmonic to highest Harmonic in case of accelerating mode. ut, highest current harmonics is not monitored in case of breaking mode. The results in this paper can help to stabilize the power device and power converter of the test EMU train.
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Related Researcher
- Shon, Jin Geun
- Graduate School (Dept. of Next Generation Smart Energy System Convergence)