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A Two-Layer Active Power Optimization and Coordinated Control for Regional Power Grid Partitioning to Promote Distributed Renewable Energy Consumption

Wentao Li1, Jiantao Liu2, Yudun Li3, Guoxin Ming1, Kaifeng Zhang1, Kun Yuan1,*

1 Key Laboratory of Measurement and Control of CSE, Southeast University, Nanjing, 210096, China
2 China Electric Power Research Institute, Nanjing, 210003, China
3 State Grid Shandong Electric Power Research Institute, Jinan, 250003, China

* Corresponding Author: Kun Yuan. Email: email

Energy Engineering 2024, 121(9), 2479-2503. https://doi.org/10.32604/ee.2024.050852

Abstract

With the large-scale development and utilization of renewable energy, industrial flexible loads, as a kind of load-side resource with strong regulation ability, provide new opportunities for the research on renewable energy consumption problem in power systems. This paper proposes a two-layer active power optimization model based on industrial flexible loads for power grid partitioning, aiming at improving the line over-limit problem caused by renewable energy consumption in power grids with high proportion of renewable energy, and achieving the safe, stable and economical operation of power grids. Firstly, according to the evaluation index of renewable energy consumption characteristics of line active power, the power grid is divided into several partitions, and the inter-zone tie lines are taken as the optimization objects. Then, on the basis of partitioning, a two-layer active power optimization model considering the power constraints of industrial flexible loads is established. The upper-layer model optimizes the planned power of the inter-zone tie lines under the constraint of the minimum peak-valley difference within a day; the lower-layer model optimizes the regional source-load dispatching plan of each resource in each partition under the constraint of the minimum operation cost of the partition, so as to reduce the line over-limit phenomenon caused by renewable energy consumption and save the electricity cost of industrial flexible loads. Finally, through simulation experiments, it is verified that the proposed model can effectively mobilize industrial flexible loads to participate in power grid operation and improve the economic stability of power grid.

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APA Style
Li, W., Liu, J., Li, Y., Ming, G., Zhang, K. et al. (2024). A two-layer active power optimization and coordinated control for regional power grid partitioning to promote distributed renewable energy consumption. Energy Engineering, 121(9), 2479-2503. https://doi.org/10.32604/ee.2024.050852
Vancouver Style
Li W, Liu J, Li Y, Ming G, Zhang K, Yuan K. A two-layer active power optimization and coordinated control for regional power grid partitioning to promote distributed renewable energy consumption. Energ Eng. 2024;121(9):2479-2503 https://doi.org/10.32604/ee.2024.050852
IEEE Style
W. Li, J. Liu, Y. Li, G. Ming, K. Zhang, and K. Yuan, “A Two-Layer Active Power Optimization and Coordinated Control for Regional Power Grid Partitioning to Promote Distributed Renewable Energy Consumption,” Energ. Eng., vol. 121, no. 9, pp. 2479-2503, 2024. https://doi.org/10.32604/ee.2024.050852



cc Copyright © 2024 The Author(s). Published by Tech Science Press.
This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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