RESEARCH ON OPERATION STRATEGY OF CROSS REGIONAL SYSTEM WITH UNCERTAINTY AT BOTH ENDS OF POWER SUPPLY AND LOAD

Yan Sizhe; Wang Weiqing; Wang Haiyun; Wu Jiahui; Li Xiaozhu; Qi Yuanxing

doi:10.19912/j.0254-0096.tynxb.2020-1325

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Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (8) : 8-16. DOI: 10.19912/j.0254-0096.tynxb.2020-1325

RESEARCH ON OPERATION STRATEGY OF CROSS REGIONAL SYSTEM WITH UNCERTAINTY AT BOTH ENDS OF POWER SUPPLY AND LOAD

Yan Sizhe, Wang Weiqing, Wang Haiyun, Wu Jiahui, Li Xiaozhu, Qi Yuanxing

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Abstract

Aiming at the phenomenon of large-scale wind and light abandoning caused by the traditional cross-regional interconnection, a dynamic environmental economic cross-regional dispatch model that takes into account the uncertainties at both ends of the source and load is established. This model takes the tie line as an adjustable resource and considers the cost of power generation and pollutant gas emission in each region on the premise of ensuring the safe and stable operation of each region, and uses probability density function to fit renewable energy and load, solves the uncertainty problem at both ends of source and load, so as to make the model more close to the actual production. According to the characteristics of the model, an adaptive butterfly algorithm based on filter technology is proposed to solve it. The simulation results show that when the penetration rate of renewable energy reaches 40%, the relatively small flexible load has a significant impact on the system scheduling cost, and pollution emission is also significantly improved. The research results have certain theoretical guiding significance, taking into account the minimum scheduling cost and reducing pollution emissions at the same time.

Key words

electric power system interconnection / cost reduction / adaptive algorithms / multiple zones

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Yan Sizhe, Wang Weiqing, Wang Haiyun, Wu Jiahui, Li Xiaozhu, Qi Yuanxing. RESEARCH ON OPERATION STRATEGY OF CROSS REGIONAL SYSTEM WITH UNCERTAINTY AT BOTH ENDS OF POWER SUPPLY AND LOAD[J]. Acta Energiae Solaris Sinica. 2022, 43(8): 8-16 https://doi.org/10.19912/j.0254-0096.tynxb.2020-1325

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