Nonlinear Control and Internal Stability Analysis of Series-Connected Boost DC/DC Converters in PV Systems With Distributed MPPT
Distributed maximum power point tracking photovoltaic (PV) systems based on series-connected dc/dc converters are one of the most promising PV configurations for an enhanced security and efficiency in distributed generation systems. Most of the works reported so far in the literature for control and...
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| Veröffentlicht in: | IEEE journal of photovoltaics 2021-03, Vol.11 (2), p.504-512 |
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| creator | Espinoza Trejo, Diego Rivelino Taheri, S. Saavedra, Jose L. Vazquez, Patricia De Angelo, Cristian H. Pecina-Sanchez, Jose A. |
| description | Distributed maximum power point tracking photovoltaic (PV) systems based on series-connected dc/dc converters are one of the most promising PV configurations for an enhanced security and efficiency in distributed generation systems. Most of the works reported so far in the literature for control and stability analysis of these configurations are based on small-signal ac models. This could be a significant limitation, as this kind of linearization produces a good approximation of the nonlinear model of series-connected dc/dc converters only at the operating point. However, PV systems must be controlled for a large set of operating points with a satisfactory performance and robustness. Moreover, stability analysis of series-connected dc/dc converters has not yet been widely discussed in previous research. Therefore, this article presents a nonlinear model of series-connected boost dc/dc converters and develops control and stability analysis to fill the gap in this emerging topic. A systematic experimental and numerical investigation is performed in order to validate the effectiveness of the proposed control approach in this study. |
| doi_str_mv | 10.1109/JPHOTOV.2020.3041237 |
| format | Article |
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Most of the works reported so far in the literature for control and stability analysis of these configurations are based on small-signal ac models. This could be a significant limitation, as this kind of linearization produces a good approximation of the nonlinear model of series-connected dc/dc converters only at the operating point. However, PV systems must be controlled for a large set of operating points with a satisfactory performance and robustness. Moreover, stability analysis of series-connected dc/dc converters has not yet been widely discussed in previous research. Therefore, this article presents a nonlinear model of series-connected boost dc/dc converters and develops control and stability analysis to fill the gap in this emerging topic. A systematic experimental and numerical investigation is performed in order to validate the effectiveness of the proposed control approach in this study.</description><identifier>ISSN: 2156-3381</identifier><identifier>EISSN: 2156-3403</identifier><identifier>DOI: 10.1109/JPHOTOV.2020.3041237</identifier><identifier>CODEN: IJPEG8</identifier><language>eng</language><publisher>Piscataway: IEEE</publisher><subject>Analytical models ; Asymptotic stability ; Boost dc/dc converters ; Computer architecture ; Configurations ; Control stability ; Distributed generation ; distributed maximum power point tracking (DMPPT) ; Electric converters ; Electric power distribution ; Maximum power point trackers ; Maximum power tracking ; MPPT ; Nonlinear control ; photovoltaic (PV) systems ; Photovoltaic cells ; Power system stability ; Robustness (mathematics) ; Stability analysis ; Voltage control ; Voltage converters (DC to DC)</subject><ispartof>IEEE journal of photovoltaics, 2021-03, Vol.11 (2), p.504-512</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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Most of the works reported so far in the literature for control and stability analysis of these configurations are based on small-signal ac models. This could be a significant limitation, as this kind of linearization produces a good approximation of the nonlinear model of series-connected dc/dc converters only at the operating point. However, PV systems must be controlled for a large set of operating points with a satisfactory performance and robustness. Moreover, stability analysis of series-connected dc/dc converters has not yet been widely discussed in previous research. Therefore, this article presents a nonlinear model of series-connected boost dc/dc converters and develops control and stability analysis to fill the gap in this emerging topic. A systematic experimental and numerical investigation is performed in order to validate the effectiveness of the proposed control approach in this study.</description><subject>Analytical models</subject><subject>Asymptotic stability</subject><subject>Boost dc/dc converters</subject><subject>Computer architecture</subject><subject>Configurations</subject><subject>Control stability</subject><subject>Distributed generation</subject><subject>distributed maximum power point tracking (DMPPT)</subject><subject>Electric converters</subject><subject>Electric power distribution</subject><subject>Maximum power point trackers</subject><subject>Maximum power tracking</subject><subject>MPPT</subject><subject>Nonlinear control</subject><subject>photovoltaic (PV) systems</subject><subject>Photovoltaic cells</subject><subject>Power system stability</subject><subject>Robustness (mathematics)</subject><subject>Stability analysis</subject><subject>Voltage control</subject><subject>Voltage converters (DC to DC)</subject><issn>2156-3381</issn><issn>2156-3403</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kE9PwkAQxRujiUb5BHrYxHNh9k8Le8SigkEhAfHYtMtsXFO6uruY9OZHtw3oXGYmeb-XvBdFNxT6lIIcPC2ni_Vi02fAoM9BUMaHJ9EFo0kacwH89O_mI3oe9bz_gHZSSNJUXEQ_L7auTI2FI5mtg7MVKeotmdUBXV1UZBWK0lQmNGTcvo03nlhNVugM-rglalQBt-TOWh_IJBtMss7nG13Le2JqstyQVeMD7jx5M-GdTIwPzpT7jnpeLtdX0ZkuKo-9476MXh_u19k0ni8eZ9l4HismZYhpmVJgFEcKE8a4Frxkoo3FtlCCKpEzxRVVWrOy1AKl4lLTBEGP9BBgO-SX0e3B99PZrz36kH_YfRfR50xINkopT1irEgeVctZ7hzr_dGZXuCankHd158e6867u_Fh3i10fMIOI_4hkUoAE_gsZMXym</recordid><startdate>20210301</startdate><enddate>20210301</enddate><creator>Espinoza Trejo, Diego Rivelino</creator><creator>Taheri, S.</creator><creator>Saavedra, Jose L.</creator><creator>Vazquez, Patricia</creator><creator>De Angelo, Cristian H.</creator><creator>Pecina-Sanchez, Jose A.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| subjects | Analytical models Asymptotic stability Boost dc/dc converters Computer architecture Configurations Control stability Distributed generation distributed maximum power point tracking (DMPPT) Electric converters Electric power distribution Maximum power point trackers Maximum power tracking MPPT Nonlinear control photovoltaic (PV) systems Photovoltaic cells Power system stability Robustness (mathematics) Stability analysis Voltage control Voltage converters (DC to DC) |
| title | Nonlinear Control and Internal Stability Analysis of Series-Connected Boost DC/DC Converters in PV Systems With Distributed MPPT |
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