计及风电消纳与发电集团利益的日前协调优化调度

doi:10.19595/j.cnki.1000-6753.tces.200041

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Abstract Large-scale wind power consumption increases the difficulty of system peak shaving. The unified dispatching of peaking resources may cause economic losses and environmental pollution that deviate from cost for units with deep peak shaving capability, and it is difficult to guarantee the fairness and enthusiasm of the peak shaving of the units. A day-ahead optimal dispatch model that combines centralized scheduling with the self-scheduled scheduling of power generation groups is proposed. Day-ahead optimal dispatch is divided into 2 stages. The first stage follows the traditional centralized scheduling method. The power generation plan is formed with the goal of the lowest system coal consumption, then the total power generation plan of each group is obtained according to the unit power generation plan. In the second stage, each group maintains the total power generation plan unchanged and internally optimizes the group's lowest power generation cost, then re-forms each unit's power generation plan. As an independent interest group, each power generation group includes factors such as unit difference, deep peak shaving, and load interaction in the second stage target. The IEEE30 busbar example verifies that the model can alleviate the peaking pressure of the unit, reduce the rate of abandoned wind, and reduce the operating costs of the power generation group and the system.

Key words： Coordinated day-ahead optimal dispatch wind power consumption deep peaking load side interaction

Received: 15 January 2020

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	Ma Xiufan
	Wang Ge
	Zhu Sijia
	Yu Siyu

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Ma Xiufan,Wang Ge,Zhu Sijia等. Coordinated Day-Ahead Optimal Dispatch Considering Wind Power Consumption and the Benefits of Power Generation Group[J]. Transactions of China Electrotechnical Society, 2021, 36(3): 579-587.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.200041 OR https://dgjsxb.ces-transaction.com/EN/Y2021/V36/I3/579

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