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Effect of DC link capacitance on the transient response of a PWM AC-DC converter

T Rashid, DMJ Holliday, DA Grant

    Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

    Abstract

    A linearised, small-signal perturbation model of a PWM AC-DC voltage source power converter under phase and amplitude control is used to investigate the effect of DC link capacitance on the transient response of the power converter. The model uses classical s-plane techniques and significantly simplifies power converter analysis. The responses to step changes in the control inputs are investigated for a variety of capacitance values. For large values of capacitance, it is possible to model the power converter as a first order system. The results obtained from the small-signal model are compared with simulation results and show excellent agreement. The small-signal model analysis is potentially a very useful tool in power converter design.
    Translated title of the contributionEffect of dc link capacitance on the transient response of a pwm ac-dc converter
    Original languageEnglish
    Title of host publicationSixth International Conference on Power Electronics and Variable Speed Drives, 1996
    PublisherInstitution of Engineering and Technology (IET)
    Pages401-406
    Number of pages6
    ISBN (Print)9780852966655
    DOIs
    Publication statusPublished - 1996

    Publication series

    Name
    Volume429
    ISSN (Print)0537-9989

    Bibliographical note

    Other: 23rd-25th September

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