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Coordinated scheduling strategy for power grid's new energy generation output and load regulation characteristics

Published: 31 July 2024 Publication History

Abstract

With the increasing penetration of distributed energy resources, the existing hierarchical scheduling operation mode of networks for transmitting and distributing electricity faces challenges in achieving global optimization. This paper proposes a coordinated scheduling strategy for power grid's new energy generation output and load regulation characteristics. Firstly, the coordination relationship of networks for transmitting and distributing electricity is analyzed, and a demand response scheduling framework and a demand response model for transmission and distribution coordination are constructed. Secondly, considering the risks caused by fluctuations in the system's operation, an uncertainty model for renewable energy and demand-side response is established. Then, the uncertainty model is combined with a robust model to build a robust optimization scheduling model for coordinated distribution of distributed energy resources and demand-side response. A simulation model built upon operational data of a specific transmission and distribution system is used to validate the efficacy of the proposed optimization scheduling approach. This strategy enables interactive coordination between electricity transmission and distribution grids, optimizing operating costs and operating risks synergistically.

References

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Wan Y, Liu X and Wu X. 2020. Dynamic Robust Optimization Model for Wind Power and Multi-Energy Storage Combined Peak Shaving in Multiple Scenarios. J. Renewable Energy, 38(5): 690-695.
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Zhu D, Zhou S and Zou X. 2020. Improved design of PLL controller for LCL-type grid-connected converter in weak grid. J. IEEE Transactions on Power Electronics, 35(5): 4715-4727.
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Ma G, Zhang Y and Chen Z. 2019. Risk Assessment Method for AC/DC Hybrid Power Systems with Large-Scale Wind Power Integration. J. Power System Technology, 43(9): 3241-3252.
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Fu Q, Du W and Wang H. 2020. Planning of the DC system considering restrictions on the small-signal stability of EV charging stations and comparison between series and parallel connections. J. IEEE Transactions on Vehicular Technology, 69(10): 10724-10735.
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Kotra S and Mishra M K. 2019. Design and stability analysis of DC microgrid with hybrid energy storage system. J. IEEE Transactions on Sustainable Energy, 10(3): 1603-1612.

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  1. Coordinated scheduling strategy for power grid's new energy generation output and load regulation characteristics

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    PEAI '24: Proceedings of the 2024 International Conference on Power Electronics and Artificial Intelligence
    January 2024
    969 pages
    ISBN:9798400716638
    DOI:10.1145/3674225
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than the author(s) must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected].

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    Association for Computing Machinery

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    Published: 31 July 2024

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