Abstract Pulse width modulation (PWM) is one of the key control techniques of traction converter. To adapt the requirement of high-power and low-frequency feature of traction system, multi-mode PWM strategy is often used. In this paper, a multi-mode PWM strategy based on harmonic optimization is proposed, which consists of asynchronous third-harmonic injection sinusoidal PWM (THI-SPWM), 15-pulse synchronous THI-SPWM, selective harmonic elimination modulation (SHEPWM), and single-pulse modulation. As a result, switching frequency and power losses are reduced, and the harmonic feature of motor current in medium and high-frequency region is improved. Simulation and experiment results confirm the effectiveness and feasibility of the proposed strategy.


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    Title :

    Multi-mode Pulse Width Modulation Strategy Based on Traction Inverter Harmonic Optimization


    Contributors:
    Tang, Jing (author) / Diao, Lijun (author) / Dong, Kan (author) / Liu, Zhigang (author) / Huang, Shaoliang (author)


    Edition :

    1st ed. 2016


    Publication date :

    2016-01-01


    Size :

    11 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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