The single-phase PWM rectifier has a second harmonic current and a corresponding ripple voltage on the DC side. The low-frequency harmonic current is usually eliminated by a resonant circuit composed of a large-capacity capacitor and an inductor in the DC bus, but the LC brand reduces the power density of the entire system. To this end, a secondary pulsation active power filter based on a bidirectional boost–buck converter (bidirectional buck/boost) is proposed to suppress the DC bus voltage secondary pulsation. The compensation current equation when the filter fully compensates the pulsating power is derived, and a voltage loop and current loop control strategy is proposed based on this. Based on MATLAB/Simulink simulations and experiments demonstrate the effectiveness of the scheme, it can also reduce the volume and improve the power density of the system.


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    Title :

    Research on a Secondary Pulsation Active Power Filter for Single-Phase PWM Rectifier


    Additional title:

    Lect. Notes Electrical Eng.


    Contributors:
    Jia, Limin (editor) / Qin, Yong (editor) / Liu, Baoming (editor) / Liu, Zhigang (editor) / Diao, Lijun (editor) / An, Min (editor) / Zhang, Yuxi (author) / Peng, Fujun (author) / Xu, Qiyang (author) / Shen, Lailai (author)

    Conference:

    International Conference on Electrical and Information Technologies for Rail Transportation ; 2019 ; Qingdao, China October 25, 2019 - October 27, 2019



    Publication date :

    2020-04-08


    Size :

    8 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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