ADAPTIVE AND COORDINATED ACTIVE DISTURBANCE REJECTION CONTROL OF INTERFACE CONVERTER AT PHOTOVOLTAIC PHOTOVOITAIC ENERGY STORAGE SIDE

Ma Youjie; Pang Xiaoqin; Zhou Xuesong; Zhao Ming; Wang Bo; Li Suyang

doi:10.19912/j.0254-0096.tynxb.2023-1145

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Acta Energiae Solaris Sinica ›› 2024, Vol. 45 ›› Issue (11) : 636-646. DOI: 10.19912/j.0254-0096.tynxb.2023-1145

ADAPTIVE AND COORDINATED ACTIVE DISTURBANCE REJECTION CONTROL OF INTERFACE CONVERTER AT PHOTOVOLTAIC PHOTOVOITAIC ENERGY STORAGE SIDE

Ma Youjie¹, Pang Xiaoqin¹, Zhou Xuesong¹, Zhao Ming², Wang Bo¹, Li Suyang¹

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Abstract

To improve the dynamic performance and anti-interference ability of photovoltaic energy storage systems, a coordinated self disturbance rejection and voltage stabilization control strategy based on adaptive rules is proposed, taking the bidirectional DC-DC converter on the energy storage side as the research object. Firstly, establish a dual closed-loop ADRC structure to coordinate the degree of influence between the inner and outer loops by changing the initial values of the controller parameters. Secondly, rule design is used as a parameter optimization mechanism to adaptively adjust the parameters of the external loop controller online, further improving the system's speed and accuracy. Simulation analysis and experimental results indicate that the adaptive coordinated Active disturbance rejection control strategy is superior to the traditional control strategy in signal tracking performance, disturbance rejection performance and noise rejection performance under the premise of ensuring system stability and not changing the complexity of parameter adjustment.

Key words

PV power / energy storage / DC-DC converter / coordination / active disturbance rejection control / adaptive rules

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Ma Youjie, Pang Xiaoqin, Zhou Xuesong, Zhao Ming, Wang Bo, Li Suyang. ADAPTIVE AND COORDINATED ACTIVE DISTURBANCE REJECTION CONTROL OF INTERFACE CONVERTER AT PHOTOVOLTAIC PHOTOVOITAIC ENERGY STORAGE SIDE[J]. Acta Energiae Solaris Sinica. 2024, 45(11): 636-646 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1145

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