Research of Ambipolar Selected Harmonic Elimination PWM Techniques Application for Diesel Locomotive Traction Converter

Research of Ambipolar Selected Harmonic Elimination PWM Techniques Application for Diesel Locomotive Traction Converter

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Mathematic model of ambipolar selected harmonic elimination PWM was explained briefly.The nonlinear surmounting equations of eliminating the specified harmonic were provided, and the new resolving methods for these equations Nesting Coffee Table (Set of 2) were discussed, and the key parameter of switch angle was deduced.Application of SHEPWM in diesel locomotive traction converter was studied emphatically, and design of PRO BIOTIN 10 control hardware and programming based on TMS320C28335 and FPGA chip was realized.

The experimental results showed the stable switching course of different switch angle without current impulse.