计及直流限额动态调整的送受端一体化日前调度计划模型

doi:10.19595/j.cnki.1000-6753.tces.200938

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Abstract A normal operation mode of China's power grid is to transmit large-scale power from energy base to load center through UHVDC transmission. It was difficult to obtain the global optimal solution for the security constrained unit commitment problem due to the stage coordination mode between the HVDC plan and the generation plan at the sending and receiving terminals, and the HVDC transmission quota may be subject to the operation mode of the receiving power grid. The influence of power grid information such as the number of starting machines, start-up capacity and reserve capacity on the DC limit was incorporated into the unit commitment model, and an optimization model for the integrated day ahead dispatching plan considering the dynamic adjustment of DC limits was proposed. In order to meet the requirements of solving the model, a hybrid integer programming model solution algorithm with the coupling of decision variables was proposed. The proposed model was applied to the New England standard calculation example (10 units and 39 nodes) and a provincial power grid in China to verify the effectiveness of the proposed model.

Key words： Generation schedule DC schedule Generation schedule security constraints unit commitment stability limit DC schedule security constraints unit commitment stability limit

Received: 29 July 2020

PACS:

TM732

Fund:国家重点研发计划（2017YFB0902600）和国家电网公司科技项目（考虑不确定性的省间现货市场可用输电能力计算研究）资助

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	Huang Guodong
	Xu Dan
	Zhou Jingyang
	Huang Guodong

Cite this article:

Huang Guodong,Xu Dan,Zhou Jingyang等. An Integrated Day Ahead Scheduling Model Considering the Dynamic Adjustment of DC Limits[J]. Transactions of China Electrotechnical Society, 2021, 36(13): 2844-2851.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.200938 OR https://dgjsxb.ces-transaction.com/EN/Y2021/V36/I13/2844

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