RESEARCH ON PMSG WIND POWER SYSTEM BASED ON ADAPTIVE VSG CONTROL STRATEGY

Zhu Zuobin; Sun Shumin; Ding Yueming; Huang Shaoping

doi:10.19912/j.0254-0096.tynxb.2022-1348

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Acta Energiae Solaris Sinica ›› 2024, Vol. 45 ›› Issue (1) : 116-124. DOI: 10.19912/j.0254-0096.tynxb.2022-1348

RESEARCH ON PMSG WIND POWER SYSTEM BASED ON ADAPTIVE VSG CONTROL STRATEGY

Zhu Zuobin^1,2, Sun Shumin^1,2, Ding Yueming³, Huang Shaoping⁴

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Abstract

The vast majority of wind power generation relies on a multitude of power electronic devices to connect to the power grid, which cannot possess the inherent inertia response characteristics of conventional synchronous generator. Additionally, a wind power system maintain frequency stability under outside disturbances is a challenge. Conventional virtual synchronous generator （VSG） control often fails to meet the specific operational needs for inertia active support. Hence, this paper provides a flexible adaptive rotational inertia and damping control technique for a VSG permanent magnet direct drive wind power system. First, the foundational structure of the current feed-forward control unit linking the grid and generator sides, the generator side converter control unit, and the grid side converter control unit is respectively established. An examination of the stability and parameter settings for wind power VSG system are done. Second, the adaptive control law of rotational inertia and damping is designed, and the relevant parameters are set. Last but not least, a simulation model for wind power VSG system is created using an adaptive flexible control rule for rotational inertia and damping. Simulation results verify the effectiveness of this approach. The simulation results suggest that this method has better frequency regulation features and anti-disturbance regulation characteristics of DC bus voltage compared to VSG / adaptive rotational inertia VSG wind power system.

Key words

wind power / feedforward control / adaptive algorithms / PMSG / VSG / frequency modulation

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Zhu Zuobin, Sun Shumin, Ding Yueming, Huang Shaoping. RESEARCH ON PMSG WIND POWER SYSTEM BASED ON ADAPTIVE VSG CONTROL STRATEGY[J]. Acta Energiae Solaris Sinica. 2024, 45(1): 116-124 https://doi.org/10.19912/j.0254-0096.tynxb.2022-1348

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