Optimal Hybrid PV Array Topologies to Maximize the Power Output by Reducing the Effect of Non-Uniform Operating Conditions
The photovoltaic (PV) system center inverter architecture comprises various conventional array topologies such as simple-series (S-S), parallel (P), series-parallel (S-P), total-cross-tied (T-C-T), bridge-linked (B-L), and honey-comb (H-C). The conventional PV array topologies under non-uniform oper...
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MDPI AG
2021-12-01
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| Series: | Electronics |
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| author | Suneel Raju Pendem Suresh Mikkili Shriram S. Rangarajan Sudhakar Avv Randolph E. Collins Tomonobu Senjyu |
| author_facet | Suneel Raju Pendem Suresh Mikkili Shriram S. Rangarajan Sudhakar Avv Randolph E. Collins Tomonobu Senjyu |
| author_sort | Suneel Raju Pendem |
| collection | DOAJ |
| description | The photovoltaic (PV) system center inverter architecture comprises various conventional array topologies such as simple-series (S-S), parallel (P), series-parallel (S-P), total-cross-tied (T-C-T), bridge-linked (B-L), and honey-comb (H-C). The conventional PV array topologies under non-uniform operating conditions (NUOCs) produce a higher amount of mismatching power loss and represent multiple maximum-power-points (M-P-Ps) in the output characteristics. The performance of T-C-T topology is found superior among the conventional topologies under NUOCs. However, T-C-T topology’s main limitations are higher redundancy, more number of electrical connections, higher cabling loss, poor performance during row-wise shading patterns, and more number of switches and sensors for the re-configuration of PV modules. This paper proposes the various optimal hybrid PV array topologies to overcome the limitations of conventional T-C-T array topology. The proposed hybrid topologies are such as series-parallel-cross-tied (S-P-C-T), bridge-link-cross-tied (B-L-C-T), honey-comb-cross-tied (H-C-C-T), series-parallel-total-cross-tied (S-P-T-C-T), bridge-link-total-cross-tied (B-L-T-C-T), honey-comb-total-cross-tied (H-C-T-C-T), and bridge-link-honey-comb (B-L-H-C). The proposed hybrid topologies performance is evaluated and compared with the conventional topologies under various NUOCs. The parameters used for the comparative study are open-circuit voltage, short-circuit current, global-maximum-power-point (GMPP), local-maximum-power-point (LMPP), number of LMPPs, and fill factor (FF). Furthermore, the mismatched power loss and the conversion efficiency of conventional and hybrid array topologies are also determined. Based on the results, it is found that the hybrid array topologies maximize the power output by mitigating the effect of NUOCs and reducing the number of LMPPs. |
| first_indexed | 2024-03-10T04:55:22Z |
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| institution | Directory Open Access Journal |
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| last_indexed | 2024-03-10T04:55:22Z |
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| spelling | doaj.art-806c491a6ced4b6eae34b13656686e8c2023-11-23T02:17:42ZengMDPI AGElectronics2079-92922021-12-011023301410.3390/electronics10233014Optimal Hybrid PV Array Topologies to Maximize the Power Output by Reducing the Effect of Non-Uniform Operating ConditionsSuneel Raju Pendem0Suresh Mikkili1Shriram S. Rangarajan2Sudhakar Avv3Randolph E. Collins4Tomonobu Senjyu5Department of Electrical and Electronics Engineering, SR University, Warangal 506371, IndiaDepartment of Electrical and Electronics Engineering, National Institute of Technology Goa, Ponda 403401, IndiaDepartment of Electrical and Electronics Engineering, SR University, Warangal 506371, IndiaDepartment of Electrical and Electronics Engineering, SR University, Warangal 506371, IndiaDepartment of Electrical and Computer Engineering, Clemson University, Clemson, SC 29634, USADepartment of Electrical and Electronics Engineering, University of Ryukyus, Okinawa 903-0213, JapanThe photovoltaic (PV) system center inverter architecture comprises various conventional array topologies such as simple-series (S-S), parallel (P), series-parallel (S-P), total-cross-tied (T-C-T), bridge-linked (B-L), and honey-comb (H-C). The conventional PV array topologies under non-uniform operating conditions (NUOCs) produce a higher amount of mismatching power loss and represent multiple maximum-power-points (M-P-Ps) in the output characteristics. The performance of T-C-T topology is found superior among the conventional topologies under NUOCs. However, T-C-T topology’s main limitations are higher redundancy, more number of electrical connections, higher cabling loss, poor performance during row-wise shading patterns, and more number of switches and sensors for the re-configuration of PV modules. This paper proposes the various optimal hybrid PV array topologies to overcome the limitations of conventional T-C-T array topology. The proposed hybrid topologies are such as series-parallel-cross-tied (S-P-C-T), bridge-link-cross-tied (B-L-C-T), honey-comb-cross-tied (H-C-C-T), series-parallel-total-cross-tied (S-P-T-C-T), bridge-link-total-cross-tied (B-L-T-C-T), honey-comb-total-cross-tied (H-C-T-C-T), and bridge-link-honey-comb (B-L-H-C). The proposed hybrid topologies performance is evaluated and compared with the conventional topologies under various NUOCs. The parameters used for the comparative study are open-circuit voltage, short-circuit current, global-maximum-power-point (GMPP), local-maximum-power-point (LMPP), number of LMPPs, and fill factor (FF). Furthermore, the mismatched power loss and the conversion efficiency of conventional and hybrid array topologies are also determined. Based on the results, it is found that the hybrid array topologies maximize the power output by mitigating the effect of NUOCs and reducing the number of LMPPs.https://www.mdpi.com/2079-9292/10/23/3014photovoltaic (PV) systemhybrid array topologiesnon-uniform operating conditions (NUOCs)mismatching power lossconversion efficiency |
| spellingShingle | Suneel Raju Pendem Suresh Mikkili Shriram S. Rangarajan Sudhakar Avv Randolph E. Collins Tomonobu Senjyu Optimal Hybrid PV Array Topologies to Maximize the Power Output by Reducing the Effect of Non-Uniform Operating Conditions Electronics photovoltaic (PV) system hybrid array topologies non-uniform operating conditions (NUOCs) mismatching power loss conversion efficiency |
| title | Optimal Hybrid PV Array Topologies to Maximize the Power Output by Reducing the Effect of Non-Uniform Operating Conditions |
| title_full | Optimal Hybrid PV Array Topologies to Maximize the Power Output by Reducing the Effect of Non-Uniform Operating Conditions |
| title_fullStr | Optimal Hybrid PV Array Topologies to Maximize the Power Output by Reducing the Effect of Non-Uniform Operating Conditions |
| title_full_unstemmed | Optimal Hybrid PV Array Topologies to Maximize the Power Output by Reducing the Effect of Non-Uniform Operating Conditions |
| title_short | Optimal Hybrid PV Array Topologies to Maximize the Power Output by Reducing the Effect of Non-Uniform Operating Conditions |
| title_sort | optimal hybrid pv array topologies to maximize the power output by reducing the effect of non uniform operating conditions |
| topic | photovoltaic (PV) system hybrid array topologies non-uniform operating conditions (NUOCs) mismatching power loss conversion efficiency |
| url | https://www.mdpi.com/2079-9292/10/23/3014 |
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