Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/145611
Title: Temporally coordinated energy management for AC/DC hybrid microgrid considering dynamic conversion efficiency of bidirectional AC/DC converter
Authors: Wei, Bin
Han, Xiaoqing
Wang, Peng
Yu, Hao
Li, Wen
Guo, Lingjuan
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2020
Source: Wei, B., Han, X., Wang, P., Yu, H., Li, W., & Guo, L. (2020). Temporally coordinated energy management for AC/DC hybrid microgrid considering dynamic conversion efficiency of bidirectional AC/DC converter. IEEE Access, 8, 70878-70889. doi:10.1109/ACCESS.2020.2985419
Journal: IEEE Access
Abstract: Multiple uncertainties from renewable energy sources, power loads and bidirectional AC/DC converter have brought great challenges to the energy management of AC/DC hybrid microgrid. In view of the issues, this paper proposes a temporally coordinated energy management strategy for AC/DC hybrid microgrid considering dynamic conversion efficiency of bidirectional AC/DC converter. According to the operation and loss characteristics of bidirectional AC/DC converter, a novel dynamic conversion efficiency model of bidirectional AC/DC converter is developed. To maintain high robustness at minimum operation cost, the proposed strategy is divided into two stages. The outputs of renewable energy sources, operation characteristics of microgrid components and time-of-use electricity price are comprehensively considered in the day-ahead economic energy management stage to minimize the daily operation cost. In the intraday rolling energy management stage, day-ahead schedules of controllable units are adjusted based on intraday ultra-short-term forecast data to suppress the intraday power fluctuations induced by day-ahead forecast errors. The simulation results demonstrate that the proposed strategy can effectively mitigate the impact of multiple uncertainties and realize the economic operation of AC/DC hybrid microgrid.
URI: https://hdl.handle.net/10356/145611
ISSN: 2169-3536
DOI: 10.1109/ACCESS.2020.2985419
Rights: © 2020 IEEE. This journal is 100% open access, which means that all content is freely available without charge to users or their institutions. All articles accepted after 12 June 2019 are published under a CC BY 4.0 license, and the author retains copyright. Users are allowed to read, download, copy, distribute, print, search, or link to the full texts of the articles, or use them for any other lawful purpose, as long as proper attribution is given.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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