Decentralized robust dispatch for multi‐area AC/DC system considering wind power uncertainty

This paper proposes a decentralized robust dispatch method for multi‐area AC/DC system considering wind power uncertainty. The accommodated wind power interval model is adopted to handle the inherent uncertainty and volatility of wind generation, which is modelled based on the affinely adjustable ro...

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Veröffentlicht in:IET generation, transmission & distribution transmission & distribution, 2021-10, Vol.15 (19), p.2710-2721
Hauptverfasser: Du, Gang, Zhao, Dongmei, Liu, Xin, Wu, Zhiqiang, Li, Chao
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Sprache:eng
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Zusammenfassung:This paper proposes a decentralized robust dispatch method for multi‐area AC/DC system considering wind power uncertainty. The accommodated wind power interval model is adopted to handle the inherent uncertainty and volatility of wind generation, which is modelled based on the affinely adjustable robust optimization method. The accommodated wind power interval and the automatic generation control participation factors are optimized simultaneously to accommodate more wind energy and ensure operational reliability of the entire multi‐area system. The flexible adjustment model of HVDC converter station is also presented to accommodate more wind power. Then, the resulting economic dispatch model for multi‐area system is solved in a fully decentralized and parallel manner using accelerated alternating direction method of multipliers algorithm to preserve the information privacy and dispatch independence of each region. Case studies illustrate the effectiveness of the proposed model.
ISSN:1751-8687
1751-8695
DOI:10.1049/gtd2.12209