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Implementation and control of a buck–boost converter connected to a constant power load in a DC microgrid.

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Title: Implementation and control of a buck–boost converter connected to a constant power load in a DC microgrid.
Authors: Abdolahi, Mohsen1 (AUTHOR), Adabi, Jafar1 (AUTHOR), Mousazadeh Mousavi, Seyyed Yousef2 (AUTHOR) s.y.mousazadeh@umz.ac.ir
Source: Electrical Engineering. Feb2025, Vol. 107 Issue 2, p1483-1492. 10p.
Subjects: Passivity-based control, Microgrids, Voltage control, Oscillations, Hardware
Abstract: This study proposes an adaptive nonlinear controller based on advanced nonlinear disturbance observer (ANDO) and passivity-based control (PBC) to ensure the stability of a buck–boost converter (BBC) in a DC microgrid (DCMG) by addressing the negative incremental impedance caused by constant power loads and the instability and oscillations resulting from right-half plane zeros. PBC stabilizes the system in the absence of uncertainties, while ANDO guarantees stability and assists PBC in keeping the converter stable in the presence of disturbances and uncertainties. The simulation results demonstrate its superior performance compared to the PBC-based controller. Hardware implementation further validates the effectiveness of the proposed controller in controlling the output voltage of the BBC, making it a promising solution for DCMG applications such as shipboards, electrical vehicles, and so on. [ABSTRACT FROM AUTHOR]
Copyright of Electrical Engineering is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: <searchLink fieldCode="JN" term="%22Electrical+Engineering%22">Electrical Engineering</searchLink>. Feb2025, Vol. 107 Issue 2, p1483-1492. 10p.
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  Data: This study proposes an adaptive nonlinear controller based on advanced nonlinear disturbance observer (ANDO) and passivity-based control (PBC) to ensure the stability of a buck–boost converter (BBC) in a DC microgrid (DCMG) by addressing the negative incremental impedance caused by constant power loads and the instability and oscillations resulting from right-half plane zeros. PBC stabilizes the system in the absence of uncertainties, while ANDO guarantees stability and assists PBC in keeping the converter stable in the presence of disturbances and uncertainties. The simulation results demonstrate its superior performance compared to the PBC-based controller. Hardware implementation further validates the effectiveness of the proposed controller in controlling the output voltage of the BBC, making it a promising solution for DCMG applications such as shipboards, electrical vehicles, and so on. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Electrical Engineering is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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              Text: Feb2025
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