段婧婧,钱政.高速动车组中PWM整流器谐波抑制方法研究[J].电测与仪表,2012,49(6):66-71. DUAN Jing-jing , QIAN Zheng.Harmonic Suppression Method for Traction System Applied in High-speed Electric Multiple Unit[J].Electrical Measurement & Instrumentation,2012,49(6):66-71.
高速动车组中PWM整流器谐波抑制方法研究
Harmonic Suppression Method for Traction System Applied in High-speed Electric Multiple Unit
The harmonic mechanism of single-phase voltage PWM rectifier,the main harmonic source in the traction system of High-speed Electric Multiple Unit(EMU),is analyzed by adopting an average state equivalent model.On this basis,harmonic suppression method is derived and validated,separately from the two aspects—the main circuit parameters and control strategies.The simulation results show that the carrier phase shifting technology can effectively suppress input the current harmonic of traction system.Cooperated with other harmonic control measures,the carrier phase shifting technology can obtain the ideal input current waveform and reduce high-speed railway pollution on the public power grid.