OUTPUT CONTROL STRATEGY OF WIND STORAGE SYSTEM TRACKING PLAN CONSIDERING ULTRA SHORT TERM PREDICTION ERROR

Guo Kaijie; Geng Guangchao; Jiang Quanyuan; Li Xining; Wang Renshun

doi:10.19912/j.0254-0096.tynxb.2022-0908

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Acta Energiae Solaris Sinica ›› 2023, Vol. 44 ›› Issue (2) : 326-333. DOI: 10.19912/j.0254-0096.tynxb.2022-0908

OUTPUT CONTROL STRATEGY OF WIND STORAGE SYSTEM TRACKING PLAN CONSIDERING ULTRA SHORT TERM PREDICTION ERROR

Guo Kaijie¹, Geng Guangchao², Jiang Quanyuan², Li Xining², Wang Renshun²

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Abstract

In plan tracking mode, a coordinated control method for the wind storage system is proposed to maximize the economic benefit. Firstly, a wind-storage system plan tracking control model is established based on ultra-short-term power forecast with the objective function of maximizing the total operation profits. Then, an ultra-short-term power prediction correction model is established based on wavelet transform and Sequence to Sequence （seq2seq）. Ultra-short-term power prediction data and historical actual power data are used to correct the power prediction error. Finally, the plan tracking control model and the ultra-short-term prediction error correction model are combined with each other, and then a plan tracking control strategy for wind-storage system is proposed, considering the ultra-short-term forecast error. The simulation results show that the proposed strategy can significantly improve the tracking accuracy of wind power schedule, which increases the operation economy of the wind-storage system and promotes the renewable energy consumption.

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wind power / energy storage / error correction / generation schedule tracking / rolling optimization

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Guo Kaijie, Geng Guangchao, Jiang Quanyuan, Li Xining, Wang Renshun. OUTPUT CONTROL STRATEGY OF WIND STORAGE SYSTEM TRACKING PLAN CONSIDERING ULTRA SHORT TERM PREDICTION ERROR[J]. Acta Energiae Solaris Sinica. 2023, 44(2): 326-333 https://doi.org/10.19912/j.0254-0096.tynxb.2022-0908

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