• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 21 Issue 5
Oct.  2008
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Article Contents
GE Xinglai, FENG Xiaoyun. SVPWM Control of Three Level Inverter for Traction Drive in EMUs[J]. Journal of Southwest Jiaotong University, 2008, 21(5): 566-572.
Citation: GE Xinglai, FENG Xiaoyun. SVPWM Control of Three Level Inverter for Traction Drive in EMUs[J]. Journal of Southwest Jiaotong University, 2008, 21(5): 566-572.

SVPWM Control of Three Level Inverter for Traction Drive in EMUs

  • Received Date: 04 Mar 2008
  • Publish Date: 25 Oct 2008
  • Space vector pulse-width modulation(SVPWM) control strategies were proposed for three level inverters of traction drives in high-speed EMUs(electrical multiple units).A constant-maximum-switching-frequency asynchronous modulation control strategy is applied during starting and low-speed periods of the EMU’s motor because low torque ripples are required during these periods.At high-speed,because low-switching-frequency and low-harmonic component are required,a variable-switching-frequency synchronous modulation control strategy is used with a 4-pulse modulation at mid-high speed and a 2-pulse modulation at top-high speed respectively.The effectiveness of the proposed strategies were verified by comparing the simulation voltage waveforms with the measured data of the EMU’s motor.

     

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