Voltage balancing in low voltage distribution networks using scott transforners

Yun Li, Peter A. Crossley

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    A low voltage (LV) radial feeder balancing method using Scott transformers is introduced in the paper. It converts an unbalanced three-phase voltage into a balanced threephase voltage at either a downstream location on the feeder or at a three-phase load supply point. A "small scale" physical voltage balancing system using the proposed method is established and tested on an LV feeder in the laboratory. Test results demonstrate that the system maintains a balanced 3φ voltage by compensating for voltage rises and voltage drops caused by single phase load variations.
    Original languageEnglish
    Title of host publicationIET Conference Publications|IET Conf Publ
    Number of pages4
    Volume2013
    DOIs
    Publication statusPublished - 2013
    Event22nd International Conference and Exhibition on Electricity Distribution, CIRED 2013 - Stockholm
    Duration: 1 Jul 2013 → …

    Conference

    Conference22nd International Conference and Exhibition on Electricity Distribution, CIRED 2013
    CityStockholm
    Period1/07/13 → …

    Keywords

    • distribution networks
    • power transformers
    • LV radial feeder balancing method
    • Scott transformers
    • downstream location
    • low voltage distribution networks
    • low voltage radial feeder balancing method
    • single phase load variations
    • small scale physical voltage balancing system
    • three-phase load supply point
    • unbalanced three-phase voltage
    • voltage drops
    • voltage rises

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