计及源荷不确定性的独立型交直流混合微网多能源协调优化调度

doi:10.19595/j.cnki.1000-6753.tces.201104

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Abstract The load shedding and wind/solar energy curtailment often occur in traditional isolated AC/DC hybrid microgrids with high proportion renewable energy sources and limited energy storage and controllable power source capacity. In order to improve the reliability of power supply and the consumption of renewable energy sources, an AC/DC/hydrogen/heat/gas energy deeply coupled energy hub structure based on hydrogen storage system was designed firstly. And a TRO model considering generation and loads uncertainties was built to achieve multi-energy coordinated optimal scheduling. The operation states of energy conversion and storage equipment were determined in the first stage, and the worst scenario and scheduling scheme were determined in the second stage. The conservativeness of scheduling scheme can be adjusted flexibly by changing uncertainty parameters. Then the model was transformed into a master problem and a slave problem with mixed integer linear form based on the strong duality theory and the big-M approach, so the model can be solved by column and constraint generation algorithm. Finally, the results of case studies can verify the rationality of the optimal model, the effectiveness of the solving algorithm and the robustness and economy of the scheduling results.

Key words： Isolated AC/DC hybrid microgrid energy hub generation and loads uncertainties two-stage robust optimization(TRO) multi-energy coordinated optimal scheduling

Received: 30 August 2020

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TM732

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	Articles by authors
	Cai Yao
	Lu Zhigang
	Sun Ke
	He Liangce
	Geng Lijun

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Cai Yao,Lu Zhigang,Sun Ke等. Multi-Energy Coordinated Optimal Scheduling of Isolated AC/DC Hybrid Microgrids Considering Generation and Load Uncertainties[J]. Transactions of China Electrotechnical Society, 2021, 36(19): 4107-4120.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.201104 OR https://dgjsxb.ces-transaction.com/EN/Y2021/V36/I19/4107

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