In order to provide excellent harmonic power quality equivalent to that of a synchronous generator, interleaved carriers and intercell transformers (ICTs) were included as part of an active-front end in a two-level, four-thread three-phase PWM drive to try to achieve 1% Total Harmonic Distortion (THD) and 0.3% Single Harmonic Distortion (SHD) for voltage up to 20kHz on a high impedance grid. This highly compact drive rated up to 4MW at 690V with 2.5 kHz switching frequency is currently undergoing testing on a 480V grid. The results of harmonic testing to date as well as a discussion of the role of the various inductance values associated with the design are included.


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    Titel :

    Multi-megawatt drive with intercell transformers


    Beteiligte:


    Erscheinungsdatum :

    01.04.2013


    Format / Umfang :

    561995 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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