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An Interleaved Battery Charger Circuit for a Switched Capacitor Inverter-Based Standalone Single-Phase Photovoltaic Energy Management System
Manesh Patel,
Zhongfu Zhou 
Energies, Volume: 16, Issue: 20, Pages: 7155 - 19
Swansea University Authors:
Manesh Patel, Zhongfu Zhou
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© 2023 by the authors. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.
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DOI (Published version): 10.3390/en16207155
Abstract
A single-phase bidirectional DC/DC battery charger with a P&O MPPT current control strategy for a standalone energy management system has been integrated with an interleaved switched capacitor DC/AC inverter with an RMS feedback phase-shifted unipolar sinusoidal PWM control strategy. In the publ...
| Published in: | Energies |
|---|---|
| ISSN: | 1996-1073 |
| Published: |
MDPI AG
2023
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| Online Access: |
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa68292 |
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2025-01-15T14:38:28Z |
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2025-01-15T10:50:33.4407112 v2 68292 2024-11-19 An Interleaved Battery Charger Circuit for a Switched Capacitor Inverter-Based Standalone Single-Phase Photovoltaic Energy Management System 125fdead3882ec9e6c675bfd95382061 Manesh Patel Manesh Patel true false 614fc57cde2ee383718d4f4c462b5fba 0000-0002-0843-7253 Zhongfu Zhou Zhongfu Zhou true false 2024-11-19 A single-phase bidirectional DC/DC battery charger with a P&O MPPT current control strategy for a standalone energy management system has been integrated with an interleaved switched capacitor DC/AC inverter with an RMS feedback phase-shifted unipolar sinusoidal PWM control strategy. In the published literature, P&O MPPT control is used to drive a boost converter connected in parallel to a battery charger; this modified strategy combines a P&O MPPT algorithm with current control to drive an interleaving buck-boost battery charger. This battery charger circuit is connected in parallel to a closed loop controlled interleaved inverter that feeds the AC home load. MATLAB/Simulink based simulation circuit was developed and used to validate the successful integration of the interleaved battery charger with the global system. To do this, the system is tested with varying input conditions of irradiance and temperature. The system’s response to these variable inputs is monitored and analysed. The simulation results show the proposed method is effective for standalone battery-based PV systems. The system provides a more efficient and faster response compared with both an interleaved and non-interleaved voltage-controlled battery charger circuit that is also integrated with the global system. This battery charger control strategy is also shown to protect the battery from over-charging as well as discharging below 25%, which can improve and protect the long-term battery performance. Compared with novel industry approaches, the proposed system is simpler by nature due to the reduced number of conversions and therefore a reduced number of components which provides economic advantages. Journal Article Energies 16 20 7155 19 MDPI AG 1996-1073 battery; battery charger; standalone PV system; BES; voltage control; current control; bidirectional converter; buck; boost; buck-boost; interleaving 19 10 2023 2023-10-19 10.3390/en16207155 COLLEGE NANME COLLEGE CODE Swansea University Other This research received no external funding. 2025-01-15T10:50:33.4407112 2024-11-19T11:55:35.2603649 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering Manesh Patel 1 Zhongfu Zhou 0000-0002-0843-7253 2 68292__33330__532fefa0661e459fa0f9e6e2f049f9ff.pdf 68292.VoR.pdf 2025-01-15T10:47:52.9047540 Output 3611614 application/pdf Version of Record true © 2023 by the authors. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license. true eng https://creativecommons.org/licenses/by/4.0/ |
| title |
An Interleaved Battery Charger Circuit for a Switched Capacitor Inverter-Based Standalone Single-Phase Photovoltaic Energy Management System |
| spellingShingle |
An Interleaved Battery Charger Circuit for a Switched Capacitor Inverter-Based Standalone Single-Phase Photovoltaic Energy Management System Manesh Patel Zhongfu Zhou |
| title_short |
An Interleaved Battery Charger Circuit for a Switched Capacitor Inverter-Based Standalone Single-Phase Photovoltaic Energy Management System |
| title_full |
An Interleaved Battery Charger Circuit for a Switched Capacitor Inverter-Based Standalone Single-Phase Photovoltaic Energy Management System |
| title_fullStr |
An Interleaved Battery Charger Circuit for a Switched Capacitor Inverter-Based Standalone Single-Phase Photovoltaic Energy Management System |
| title_full_unstemmed |
An Interleaved Battery Charger Circuit for a Switched Capacitor Inverter-Based Standalone Single-Phase Photovoltaic Energy Management System |
| title_sort |
An Interleaved Battery Charger Circuit for a Switched Capacitor Inverter-Based Standalone Single-Phase Photovoltaic Energy Management System |
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125fdead3882ec9e6c675bfd95382061 614fc57cde2ee383718d4f4c462b5fba |
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125fdead3882ec9e6c675bfd95382061_***_Manesh Patel 614fc57cde2ee383718d4f4c462b5fba_***_Zhongfu Zhou |
| author |
Manesh Patel Zhongfu Zhou |
| author2 |
Manesh Patel Zhongfu Zhou |
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Journal article |
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Energies |
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16 |
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20 |
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7155 |
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2023 |
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Swansea University |
| issn |
1996-1073 |
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10.3390/en16207155 |
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MDPI AG |
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Faculty of Science and Engineering |
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Faculty of Science and Engineering |
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School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering |
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| description |
A single-phase bidirectional DC/DC battery charger with a P&O MPPT current control strategy for a standalone energy management system has been integrated with an interleaved switched capacitor DC/AC inverter with an RMS feedback phase-shifted unipolar sinusoidal PWM control strategy. In the published literature, P&O MPPT control is used to drive a boost converter connected in parallel to a battery charger; this modified strategy combines a P&O MPPT algorithm with current control to drive an interleaving buck-boost battery charger. This battery charger circuit is connected in parallel to a closed loop controlled interleaved inverter that feeds the AC home load. MATLAB/Simulink based simulation circuit was developed and used to validate the successful integration of the interleaved battery charger with the global system. To do this, the system is tested with varying input conditions of irradiance and temperature. The system’s response to these variable inputs is monitored and analysed. The simulation results show the proposed method is effective for standalone battery-based PV systems. The system provides a more efficient and faster response compared with both an interleaved and non-interleaved voltage-controlled battery charger circuit that is also integrated with the global system. This battery charger control strategy is also shown to protect the battery from over-charging as well as discharging below 25%, which can improve and protect the long-term battery performance. Compared with novel industry approaches, the proposed system is simpler by nature due to the reduced number of conversions and therefore a reduced number of components which provides economic advantages. |
| published_date |
2023-10-19T08:36:25Z |
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1821393903543123968 |
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11.048149 |