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A Fast State Estimator for Integrated Electrical and Heating Networks

Author

Listed:
  • Chun Wang

    (School of Electrical Engineering, Southeast University, Nanjing 210096, China)

  • Minghao Geng

    (College of Energy and Electrical Engineering, Hohai University, Nanjing 210098, China)

  • Qingshan Xu

    (School of Electrical Engineering, Southeast University, Nanjing 210096, China)

  • Haixiang Zang

    (College of Energy and Electrical Engineering, Hohai University, Nanjing 210098, China)

Abstract

Integrated electrical and heating networks (IEHNs) effectively improve energy utilization efficiency, reduce environmental pollution and realize sustainable development of energy. To realize the accurate, comprehensive and fast perception of the integrated electrical and heating networks, it is necessary to build a state estimation model. However, the robust state estimator of IEHNs based on the temperature drop equation, flow balance equation and power balance equation still have the problems of convergence and low computational efficiency. In this paper, a fast state estimation method based on weighted least absolute value is proposed, which makes partition calculation of ring-shaped heating network and radiant heating network under certain assumptions. Simulation results show that the method improves the efficiency of the robust state estimator on the premise of high accuracy.

Suggested Citation

  • Chun Wang & Minghao Geng & Qingshan Xu & Haixiang Zang, 2020. "A Fast State Estimator for Integrated Electrical and Heating Networks," Energies, MDPI, vol. 13(17), pages 1-13, August.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:17:p:4488-:d:406848
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    References listed on IDEAS

    as
    1. Liu, Xuezhi & Wu, Jianzhong & Jenkins, Nick & Bagdanavicius, Audrius, 2016. "Combined analysis of electricity and heat networks," Applied Energy, Elsevier, vol. 162(C), pages 1238-1250.
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    3. Zhang, Tong & Li, Zhigang & Wu, Q.H. & Zhou, Xiaoxin, 2019. "Decentralized state estimation of combined heat and power systems using the asynchronous alternating direction method of multipliers," Applied Energy, Elsevier, vol. 248(C), pages 600-613.
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