Design and Analysis of a Bidirectional TNPC Converter-Cased Electric Vehicle Charging Station with Photovoltaic Support

Year 2025, Volume: 9 Issue: 3, 382 - 396, 30.09.2025

Ahmet Mete Vural , Ahmet Eren

https://doi.org/10.30939/ijastech..1638589

Abstract

Photovoltaic (PV)-powered electric vehicle (EV) charging stations are a sustainable and innovative way to meet mobility demands emphasizing reduced carbon footprint. This paper proposesthe design and analysis of a grid-connected EV charging station with renewable energy integration utilizing a bidirectional T-type NPC (TNPC) converter. The system aims to provide a sustainable charging solution by integrating a 27 kW PV system with a 160 kW TNPC converter, allowing bidirectional power flow for charging and discharging of the EV battery. The system also includes two DC-DC converters and 77 kWh EV battery having a charge power of up to maximum 100 kW. This configuration supports various operating modes, including grid-to-vehicle (G2V) and vehicle-to-grid (V2G), as well as standalone operation with PV support during grid failures. Modeling is conducted at the semiconductor converter level to accurately capture the dynamic behavior and performance of the EV charging station. The system's control strategy employs conventional PI-based control loops to manage power electronic converters, ensuring stable and efficient operation. The dynamic behaviors of four different operating modes, namely off-grid, off-PV, V2G, and PV+grid feeding modes of the EV charging station are analyzed with detailed simulations. The simulation results confirm the EV charging station's ability to function effectively and demonstrate smooth control of the variables. The simulations have confirmed that the charging infrastructure parameters, including voltage, current, power, and SOC, within a specified time frame, comply with the DC Level-1 and DC Level-2 chargingmodes of the SAE J1772 standards in certain operating scenarios.

Keywords

Bidirectional charging station; , Electric vehicle; , Grid-to-vehicle; , Photovoltaic system; , TNPC converter; , Vehicle-to-grid

References

• [1] Hanig, L., Ledna, C., Nock, D., Harper, C. D., Yip, A., Wood, E., & Spurlock, C. A. Finding gaps in the national electric vehicle charging station coverage of the United States. Nature Communi-cations, 2025, 16.1: 561. https://doi.org/10.1038/s41467-024-55696-8
• [2] Rachid A, El Fadil H, Gaouzi K, Rachid K, Lassioui A, El Idrissi Z, Koundi M. Electric Vehicle Charging Systems: Comprehensive Review.Eneries.2023;16:255 .https://doi.org/10.3390/en16010255.
• [3] Oad A, Ahmad HG, Talpur MSH, Zhao C, Pervez A. Green smart grid predictive analysis to integrate sustainable energy of emerging V2G in smart city technologies. Optik. 2023;272:170146. https://doi.org/10.1016/j.ijleo.2022.170146
• [4] Alrubaie AJ, Salem M, Yahya K, Mohamed M, Kamarol M. A Comprehensive Review of Electric Vehicle Charging Stations with Solar Photovoltaic System Considering Market, Technical Requirements, Network Implications, and Future Challenges. Sustainability. 2023;15:8122. https://doi.org/10.3390/su15108122
• [5] Khan S, Sudhakar K, Yusof MHB, Azmi WH, Ali HM. Roof integrated photovoltaic for electric vehicle charging towards net zero residential buildings in Australia. Energy for Sustainable De-velopment. 2023;73:340-354. https://doi.org/10.1016/j.esd.2023.02.005
• [6] Jain A, Bhullar S. Operating modes of grid integrated PV-solar based electric vehicle charging system- a comprehensive review. e-Prime - Advances in Electrical Engineering, Electronics and En-ergy. 2024;8:100519. https://doi.org/10.1016/j.prime.2024.100519
• [7] Krim Y, Sechilariu M, Locment F. PV Benefits Assessment for PV-Powered Charging Stations for Electric Vehicles. Applied Sciences. 2021;11(9):4127. https://doi.org/10.3390/app11094127.
• [8] Cheikh-Mohamad S, Sechilariu M, Locment F, Krim Y. PV-Powered Electric Vehicle Charging Stations: Preliminary Re-quirements and Feasibility Conditions. Applied Sciences. 2021;11(4):1770. https://doi.org/10.3390/app11041770.
• [9] Cheikh-Mohamad S, Sechilariu M, Locment F. Real-Time Power Management Including an Optimization Problem for PV-Powered Electric Vehicle Charging Stations. Applied Sciences. 2022;12(9):4323. https://doi.org/10.3390/app12094323.
• [10] Sathyan S, Pandi VR, Antony A, Salkuti SR, Sreekumar P. ANN-based energy management system for PV-powered EV charging station with battery backup and vehicle to grid support. International Journal of Green Energy. 2024;21(6):1279-1294. https://doi.org/10.1080/15435075.2023.2246048.
• [11] Schweizer M, Kolar JW. Design and implementation of a highly efficient three-level T-type converter for low-voltage applications. IEEE Transactions on Power Electronics. 2012;28(2):899-907. https://doi.org/10.1109/TPEL.2012.2203151
• [12] Schweizer M, Lizama I, Friedli T, Kolar JW. Comparison of the chip area usage of 2-level and 3-level voltage source converter to-pologies. In: IECON 2010 - 36th Annual Conference on IEEE Industrial Electronics Society; 2010; Glendale, AZ, USA. p. 391-396. https://doi.org/10.1109/IECON.2010.5674994
• [13] Agrawal P, Sahu LK, Tiwari AK. Implementation and control of multiport grid integrated hybrid energy interface for EV charging application. Electric Power Components and Systems. 2023. https://doi.org/10.1080/15325008.2023.2262453
• [14] Tiwari H, Ghosh A, Banerjee S, Mazumdar D, Sain C, Ahmad F, Ustun TS. Design of a triple port integrated topology for grid-integrated EV charging stations for three-way power flow. Fron-tiers in EnergyResearch.2024;12:1440258. https://doi.org/10.3389/fenrg.2024.1440258
• [15] Mojumder MRH, Ahmed Antara F, Hasanuzzaman M, Alamri B, Alsharef M. Electric vehicle to grid (V2G) technologies: Impact on the power grid and battery. Sustainability. 2022;14(21):13856. https://doi.org/10.3390/su142113856
• [16] Ashique RH, Salam Z, Abdul Aziz MJ, Bhatti AR. Integrated photovoltaic grid DC fast charging system for electric vehicle: A review of the architecture and control. Renewable & Sustainable EnergyReviews.2017;72:133–145. https://doi.org/10.1016/j.rser.2016.11.245
• [17] Jin N, Wang J, Li Y, He L, Wu X, Wang H, Lu L. A bidirectional grid friendly charger design for electric vehicle operated under pulse current heating and variable current charging. Sustainability. 2024;16(1):367. https://doi.org/10.3390/su16010367
• [18] Tiwari, A. Control and mathematical design of PV-based renewa-ble energy systems for LCL-SR filter-based power quality im-provement. Physica Scripta. 2024, 99.5: 055239. https://doi.org/10.1088/1402-4896/ad3ab0
• [19] Jang Y, Sun Z, Ji S, Lee C, Jeong D, Choung S, Bae S. Grid connected inverter for a PV powered electric vehicle charg-ing station to enhance the stability of a microgrid. Sustainability. 2021;13(24):14022. https://doi.org/10.3390/su132414022
• [20] Gajduk A, Todorovski M, Kurths J, Kocarev L. Improving power grid transient stability by plug in electric vehicles. New Journal of Physics.2014;16(11):115011. https://doi.org/10.1088/1367 2630/16/11/115011
• [21] Shelar, S., Bankar, D. S., & Bakre, S. Review of revisions of IEEE 519 Standard on Power System Harmonics (1981 to 2022). In: 21st International Conference on Harmonics and Quality of Power (ICHQP). IEEE, 2024; Chengdu, China. p. 415-420. https://doi.org/10.1109/ichqp61174.2024.10768696
• [22] Kremzow-Tennie S, Jaziri M, Pautzke F, Schmuelling B. Under-standing the fast-charging performance of modern electric vehicles through a data driven approach. 2024 Sep 24. https://doi.org/10.1109/rem63063.2024.10735579
• [23] Bhagali P, Thakur RK. Design of DC–DC boost converter for solar photovoltaic systems based on monthly averaging of irradi-ance & temperature. In: Proceedings of the 2022 IEEE Sustainable Power and Energy Conference (iSPEC); 2022 Dec 4; Perth, Aus-tralia. p. 1-5. IEEE. https://doi.org/10.1109/iSPEC54162.2022.10033030
• [24] Hayat A, Sibtain D, Murtaza AF, Shahzad S, Jajja MS, Kilic H. Design and analysis of input capacitor in DC–DC boost converter for photovoltaic based systems. Sustainability. 2023;15:6321. https://doi.org/10.3390/su15076321
• [25] Yagnik UP, Solanki MD. Comparison of L, LC & LCL filter for grid connected converter. In: 2017 International Conference on Trends in Electronics and Informatics (ICEI); May 2017; India. p. 455–458. IEEE. https://doi.org/10.1109/ICOEI.2017.8300936
• [26] Tuyen, N. D., Tam, N. V. M., & Hoa, T. P. (2024). LCL filter based high power density AC/DC converter for fast charging ap-plications. International Journal of Power Electronics and Drive Systems (IJPEDS), 2024, 15.4: 2308-2322. https://doi.org/10.11591/ijpeds.v15.i4.pp2308-2322