Power Flow and Voltage Control Strategies in Hybrid AC/DC Microgrids for EV Charging and Renewable Integration
This study outlines the creation and lab verification of a low-voltage direct current (LVDC) back-to-back (B2B) converter intended as a versatile connection point for low-voltage users. The converter configuration features dual inverters that regulate the power distribution to AC loads and grid conn...
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| Format: | Article |
| Language: | English |
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MDPI AG
2025-02-01
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| Series: | World Electric Vehicle Journal |
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| Online Access: | https://www.mdpi.com/2032-6653/16/2/104 |
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| author | Zaid H. Ali David Raisz |
| author_facet | Zaid H. Ali David Raisz |
| author_sort | Zaid H. Ali |
| collection | DOAJ |
| description | This study outlines the creation and lab verification of a low-voltage direct current (LVDC) back-to-back (B2B) converter intended as a versatile connection point for low-voltage users. The converter configuration features dual inverters that regulate the power distribution to AC loads and grid connections through a shared DC circuit. This arrangement enables the integration of various DC generation sources, such as photovoltaic systems, as well as DC consumers, like electric vehicle chargers, supported by DC/DC converters. Significant advancements include sensorless current estimation for grid-forming inverters, which removes the necessity for conventional current sensors by employing mathematical models and established system parameters. The experimental findings validate the system’s effectiveness in grid-connected and isolated microgrid modes, demonstrating its ability to sustain energy quality and system stability under different conditions. Our results highlight the considerable potential of integrating grid-forming functionalities in inverters to improve microgrid operations. |
| format | Article |
| id | doaj-art-7990a4407c8f4e27bcaee3f5be852cb1 |
| institution | DOAJ |
| issn | 2032-6653 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | World Electric Vehicle Journal |
| spelling | doaj-art-7990a4407c8f4e27bcaee3f5be852cb12025-08-20T03:12:20ZengMDPI AGWorld Electric Vehicle Journal2032-66532025-02-0116210410.3390/wevj16020104Power Flow and Voltage Control Strategies in Hybrid AC/DC Microgrids for EV Charging and Renewable IntegrationZaid H. Ali0David Raisz1Department of Electrical Power Engineering, Budapest University of Technology and Economics, Egry J. u. 18, 1111 Budapest, HungaryDepartment of Electrical Power Engineering, Budapest University of Technology and Economics, Egry J. u. 18, 1111 Budapest, HungaryThis study outlines the creation and lab verification of a low-voltage direct current (LVDC) back-to-back (B2B) converter intended as a versatile connection point for low-voltage users. The converter configuration features dual inverters that regulate the power distribution to AC loads and grid connections through a shared DC circuit. This arrangement enables the integration of various DC generation sources, such as photovoltaic systems, as well as DC consumers, like electric vehicle chargers, supported by DC/DC converters. Significant advancements include sensorless current estimation for grid-forming inverters, which removes the necessity for conventional current sensors by employing mathematical models and established system parameters. The experimental findings validate the system’s effectiveness in grid-connected and isolated microgrid modes, demonstrating its ability to sustain energy quality and system stability under different conditions. Our results highlight the considerable potential of integrating grid-forming functionalities in inverters to improve microgrid operations.https://www.mdpi.com/2032-6653/16/2/104LVDCdroop controlelectric vehicle chargersbidirectional power flow |
| spellingShingle | Zaid H. Ali David Raisz Power Flow and Voltage Control Strategies in Hybrid AC/DC Microgrids for EV Charging and Renewable Integration World Electric Vehicle Journal LVDC droop control electric vehicle chargers bidirectional power flow |
| title | Power Flow and Voltage Control Strategies in Hybrid AC/DC Microgrids for EV Charging and Renewable Integration |
| title_full | Power Flow and Voltage Control Strategies in Hybrid AC/DC Microgrids for EV Charging and Renewable Integration |
| title_fullStr | Power Flow and Voltage Control Strategies in Hybrid AC/DC Microgrids for EV Charging and Renewable Integration |
| title_full_unstemmed | Power Flow and Voltage Control Strategies in Hybrid AC/DC Microgrids for EV Charging and Renewable Integration |
| title_short | Power Flow and Voltage Control Strategies in Hybrid AC/DC Microgrids for EV Charging and Renewable Integration |
| title_sort | power flow and voltage control strategies in hybrid ac dc microgrids for ev charging and renewable integration |
| topic | LVDC droop control electric vehicle chargers bidirectional power flow |
| url | https://www.mdpi.com/2032-6653/16/2/104 |
| work_keys_str_mv | AT zaidhali powerflowandvoltagecontrolstrategiesinhybridacdcmicrogridsforevchargingandrenewableintegration AT davidraisz powerflowandvoltagecontrolstrategiesinhybridacdcmicrogridsforevchargingandrenewableintegration |