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    Interharmonic mitigation of adjustable speed drives using an active DC-link capacitor

    Access Status
    Fulltext not available
    Authors
    Soltani, H.
    Loh, P.
    Blaabjerg, F.
    Zare, Firuz
    Date
    2015
    Type
    Conference Paper
    
    Metadata
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    Citation
    Soltani, H. and Loh, P. and Blaabjerg, F. and Zare, F. 2015. Interharmonic mitigation of adjustable speed drives using an active DC-link capacitor, pp. 2018-2024.
    Source Title
    9th International Conference on Power Electronics - ECCE Asia: "Green World with Power Electronics", ICPE 2015-ECCE Asia
    DOI
    10.1109/ICPE.2015.7168055
    ISBN
    9788957082546
    School
    School of Electrical Engineering and Computing
    URI
    http://hdl.handle.net/20.500.11937/55388
    Collection
    • Curtin Research Publications
    Abstract

    © 2015 Korean Institute of Power Electronics. Current and voltage source Adjustable - Speed Drives (ASDs) exert distortion currents in the grid which may lead to some interharmonic components other than the characteristic harmonic components. The frequencies of the line current interharmonics, generated by these ASDs, depend on the motor operating frequency. As there is a growing discussion about the interharmonic effects on the grid and its limitation, the reduction and mitigation of these components is worthwhile especially when more drives are tied to the grid. This paper proposes a new dc-link active capacitor in order to reduce the drive input current interharmonic components. Although the proposed active device is only applied on a voltage source ASD with unbalance load, the concept is general and can also be applied on the multi-pulse thyristor based adjustable speed drives. The study clearly verifies the effectiveness of the proposed dc-link active compensator on the grid current interharmonics reduction.

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      © 2013 IEEE. Current and voltage source adjustable-speed drives (ASDs) exert the distortion current into the grid, which may produce some interharmonic components other than the characteristic harmonic components. This ...
    • Input current interharmonics in adjustable speed drives caused by fixed-frequency modulation techniques
      Soltani, H.; Davari, P.; Loh, P.; Blaabjerg, F.; Zare, Firuz (2016)
      © 2016 IEEE. Adjustable Speed Drives (ASDs) based on double-stage conversion systems may inject interharmonics distortion into the grid, other than the well-known characteristic harmonic components. The problems created ...
    • Sources and mitigation of interharmonics in back-to-back controllable drives
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      © 2014 IEEE. The theme here is to identify the sources of interharmonics that can affect back-to-back controllable drives and make non-characteristic interharmonic components in the grid side currents when the motor ...
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