VOLTAGE COORDINATED CONTROL STRATEGY OF LOAD CENTER PARTITION WITH MULTI-INFEED DC

Wang Meng; Wang Ying; Huang Minghui; Cui Wei; Li Xing; Wang Wei

doi:10.19912/j.0254-0096.tynxb.2023-1880

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (3) : 207-213. DOI: 10.19912/j.0254-0096.tynxb.2023-1880

VOLTAGE COORDINATED CONTROL STRATEGY OF LOAD CENTER PARTITION WITH MULTI-INFEED DC

Wang Meng¹, Wang Ying¹, Huang Minghui², Cui Wei¹, Li Xing², Wang Wei¹

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Abstract

Aiming at the voltage stability problem of receiving-end power grid with multi-circuit DC centralized feed, this paper proposes a partition voltage control strategy considering the source-load matching degree of load center. Firstly, the power supply and demand characteristics of the load center are studied, and the source-load matching degree is used as the partition evaluation index to establish a multi-infeed DC receiving-end power grid partition optimization model based on K-means algorithm. Then, the sub-model of voltage optimization control is constructed, and synchronous Alternating Direction Method of Multipliers （ADMM） algorithm is attached to the model to get the best voltage control result of each partition area. Finally, we adopted the Nordic 32 system, and modified it to verify the voltage controlling ability of the method we brought up. The simulation results review that the voltage partition control method we proposed would be capable of adjusting the system voltage under various circumstances and has the advantage of stable voltage in fast speed.

Key words

HVDC power transmission / receiving-end power grid / Overvoltage protection / power grid partition

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Wang Meng, Wang Ying, Huang Minghui, Cui Wei, Li Xing, Wang Wei. VOLTAGE COORDINATED CONTROL STRATEGY OF LOAD CENTER PARTITION WITH MULTI-INFEED DC[J]. Acta Energiae Solaris Sinica. 2025, 46(3): 207-213 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1880

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