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Bayesian Estimation on Load Model Coefficients of ZIP and Induction Motor Model

Author

Listed:
  • Haifeng Li

    (State Grid Jiangsu Electric Power Company Ltd., Nanjing 210008, Jiangsu, China)

  • Qing Chen

    (State Grid Jiangsu Electric Power Company Ltd., Nanjing 210008, Jiangsu, China)

  • Chang Fu

    (GEIRI North America, 250 W Tasman Dr. STE 100, San Jose, CA 95134, USA)

  • Zhe Yu

    (GEIRI North America, 250 W Tasman Dr. STE 100, San Jose, CA 95134, USA)

  • Di Shi

    (GEIRI North America, 250 W Tasman Dr. STE 100, San Jose, CA 95134, USA)

  • Zhiwei Wang

    (GEIRI North America, 250 W Tasman Dr. STE 100, San Jose, CA 95134, USA)

Abstract

Parameter identification in load models is a critical factor for power system computation, simulation, and prediction, as well as stability and reliability analysis. Conventional point estimation based composite load modeling approaches suffer from disturbances and noises, and provide limited information of the system dynamics. In this work, a statistics (Bayesian Estimation) based distribution estimation approach is proposed for both static and dynamic load models. When dealing with multiple parameters, Gibbs sampling method is employed. The proposed method samples all parameters in each iteration and updates one parameter while others remain fixed. The proposed method provides a distribution estimation for load model coefficients and is robust for measuring errors. The proposed parameter identification approach is generic and can be applied to both transmission and distribution networks. Simulations using a 33-feeder system illustrated the efficiency and robustness of the proposal.

Suggested Citation

  • Haifeng Li & Qing Chen & Chang Fu & Zhe Yu & Di Shi & Zhiwei Wang, 2019. "Bayesian Estimation on Load Model Coefficients of ZIP and Induction Motor Model," Energies, MDPI, vol. 12(3), pages 1-16, February.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:3:p:547-:d:204714
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    Citations

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    Cited by:

    1. Xiaoming Mao & Junxian Chen, 2019. "A Fast Method to Compute the Dynamic Response of Induction Motor Loads Considering the Negative-Sequence Components in Stability Studies," Energies, MDPI, vol. 12(9), pages 1-19, May.
    2. Pau Casals-Torrens & Juan A. Martinez-Velasco & Alexandre Serrano-Fontova & Ricard Bosch, 2020. "Assessment of Unintentional Islanding Operations in Distribution Networks with Large Induction Motors," Energies, MDPI, vol. 13(2), pages 1-25, January.

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