Comparison of Harmonics Between SVPWM and SHEPWM

  • Ruizheng Ni
  • Miao Sha
  • Jia Xiaoguang
  • Yong Ding
  • Jie Chen
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 482)


The traction system of rail transit has the characteristics of low switching frequency and wide speed range, and generally adopts “asynchronous modulation + synchronous modulation + square wave” full-speed range pulse width modulation strategy. In order to realize the smooth transition from asynchronous modulation to square wave modulation, many excellent modulation methods have been developed in the past 30 years. This paper focusses on researching the space vector pulse width modulation and the specific harmonic elimination pulse width modulation. The principle of the two methods and its harmonic calculation methods are introduced, two methods have different advantages, people should choose their own modulation as needs. Simulation proves the feasibility of the modulation strategy.


Rail transit Space vector pulse width modulation Specific harmonic elimination 



This work was supported by National Key R&D plan under Grant 2016YFB1200502-4 and 2017YFB1200802, Beijing Science and School level project 2016RC038.


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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Ruizheng Ni
    • 1
    • 2
  • Miao Sha
    • 3
  • Jia Xiaoguang
    • 2
    • 4
  • Yong Ding
    • 3
  • Jie Chen
    • 1
  1. 1.School of Electrical EngineeringBeijing Engineering Research Center of Electric Rail Transportation, Beijing Jiaotong UniversityBeijingChina
  2. 2.Global Energy Interconnection Research InstituteBeijingChina
  3. 3.CRRC Changchun Railway Vehicles CO., LTDChangchunChina
  4. 4.State Key Laboratory of Advanced Power Transmission TechnologyBeijingChina

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