An Adaptive Optimization Method for LFOD Enhancement in DFIG Integrated Smart Grids

Tat Kei Chau, Samson Shenglong Yu, Tyrone Fernando, Herbert Ho Ching Iu

    Research output: Chapter in Book/Conference paperConference paper

    1 Citation (Scopus)

    Abstract

    This paper proposes a load-oriented control parameters optimization strategy for Doubly Fed Induction Generator (DFIG) to enhance Low-Frequency Oscillation Damping (LFOD) and improve stability of a power system. Enabled by the smart grid measuring technologies, frequency deviations of generators of interest are obtained and employed as the input signals of the designed Supplementary Damping Controller (SDC) of DFIG. In order to acquire the optimal load-oriented control parameters, an hour-ahead load-forecasting scheme is devised, using Artificial Neural Network (ANN) learning techniques. The ANN is trained by a set of data over a 4-year period, and then the control parameters are optimized using Particle Swarm Optimization (PSO) technique for the purpose of minimizing the Critical Damping Index (CDI) of the power system. Numerical results demonstrate that the low-frequency oscillations (LFOs) of the power system can be effectively mitigated using the proposed controller in smart grids integrated with wind power generators.

    Original languageEnglish
    Title of host publication2018 IEEE International Symposium on Circuits and Systems, ISCAS 2018 - Proceedings
    Place of PublicationUSA
    PublisherIEEE, Institute of Electrical and Electronics Engineers
    Volume2018-May
    ISBN (Electronic)9781538648810
    DOIs
    Publication statusPublished - 26 Apr 2018
    Event2018 IEEE International Symposium on Circuits and Systems, ISCAS 2018 - Firenze Fiera Congress and Exhibition Center, Florence, Italy
    Duration: 27 May 201830 May 2018

    Conference

    Conference2018 IEEE International Symposium on Circuits and Systems, ISCAS 2018
    CountryItaly
    CityFlorence
    Period27/05/1830/05/18

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    Cite this

    Chau, T. K., Yu, S. S., Fernando, T., & Iu, H. H. C. (2018). An Adaptive Optimization Method for LFOD Enhancement in DFIG Integrated Smart Grids. In 2018 IEEE International Symposium on Circuits and Systems, ISCAS 2018 - Proceedings (Vol. 2018-May). [8351473] USA: IEEE, Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/ISCAS.2018.8351473