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Journal of the Korean Institute of Illuminating and Electrical Installation Engineers

ISO Journal TitleJ Korean Inst. IIIum. Electr. Install. Eng.
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Title Reducing Harmonics of the Next-generation High-speed Railway Inverter System byRandom Pulse Position Modulation Technique based on Space Vector Modulation
Authors Sang-Hyun Lee ; Kang-Hwan Jin ; Sung-Je Kim ; Ae-Sook Kno ; Yoon-Ho Kim
DOI http://dx.doi.org/10.5207/JIEIE.2012.26.6.094
Page pp.94-101
ISSN 1225-1135
Keywords High Speed Railway Inverter System ; andom Pulse Position Modulation ; Matlab/Simulink
Abstract In this paper, The Next Generation High Speed Railway inverter system based on IPMSM drives using Random Pulse Position Modulation is proposed to reduce electromagnetic noise. To verify the validity of study, the simulator for the proposed system is designed and impplemented. Simulation program is developed using Matlab/Simulink. The simulation results of the proposed system was compared with the system using conventional method. The results show that the voltage and current harmonics of the proposed Next Generation High Speed Railway Inverter system. significantly decrease and spread into wide band area by the proposed Random Pulse Position modulation technique based on Space Vector Modulation method.