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Title: Economic-Effective Multi-Energy Management Considering Voltage Regulation Networked with Energy Hubs
Authors: Zhao, P
Gu, C
Cao, Z
Hu, Z
Zhang, X
Chen, X
Hernando-Gil, I
Ding, Y
Keywords: distributionally robust optimization;energy hub;gas quality management;integrated energy system;two-stage framework
Issue Date: 15-Oct-2020
Publisher: IEEE
Citation: Zhao, P., Gu, C., Can, Z., Hu, Z., Zhang, X., Chen, X., Hernando-Gil, I. and Ding, Y. (2021) 'Economic-effective multi-energy management with voltage regulation networked with energy hubs'. IEEE Transactions on Power Systems, 36 (3), pp. 2503 - 2515. doi: 10.1109/TPWRS.2020.3025861.
Abstract: This paper develops a novel two-stage coordinated volt-pressure optimization (VPO) for integrated energy systems (IES) networked with energy hubs considering renewable energy sources. The promising power-to-gas (P2G) facilities are used for improving the interdependency of the IES. The proposed VPO contains the traditional volt-VAR optimization functionality to mitigate the voltage deviation while ensuring a satisfying gas quality due to the hydrogen mixture. In addition to the conventional voltage regulating devices, i.e., on-load tap changers and capacitor banks, P2G converter and gas storage are used to address the voltage fluctuation problem caused by renewable penetration. Moreover, an effective two-stage distributionally robust optimization (DRO) based on Wasserstein metric is utilized to capture the renewable uncertainty with tractable robust counterpart reformulations. The Wasserstein-metric based ambiguity set enables to provide additional flexibility hedging against renewable uncertainty. Extensive case studies are conducted in a modified IEEE 33-bus system connected with a 20-node gas system. The proposed VPO provides a voltage-regulated economic operation scheme with gas quality ensured that contributes to high-quality but low-cost multi-energy supply to customers.
ISSN: 0885-8950
Appears in Collections:Dept of Electronic and Computer Engineering Research Papers

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