DFIG Stator Flux Oriented Control Scheme Execution for Test Facilities Utilising Commercial Converters

Sinisa Durovic, Judith Apsley, Paul Tuohy, Nur Sarma, Yingzhao Wang

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    Abstract

    Utilisation of conventional industrial converters for development of doubly-fed induction generator (DFIG) test facilities poses an attractive prospect as it would provide proprietary commercial protection and functionality. However, standard commercial converters present significant challenges in attainable DFIG operational capability. This is due to the fact that they are designed for execution of a limited set of pre-programmed common control modes. They typically do not cater for execution of complicated stator flux oriented vector control (SFOC) schemes required for DFIG drive control. The research work presented in this paper reports a methodology that enables effective implementation of SFOC on industrial converters through a dedicated external real-time platform and a velocity/position communications module. The reported scheme is validated in laboratory experiments on an experimental DFIG test-rig facility. The presented principles are general and are therefore applicable to conventional DFIG drive architectures utilising standard industrial converters.
    Original languageEnglish
    Pages (from-to)1366-1374
    Number of pages8
    JournalIET Renewable Power Generation
    Volume12
    Issue number12
    Early online date20 Aug 2018
    DOIs
    Publication statusPublished - 6 Sept 2018

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