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Sedaghati, F., Azimi, S. A.. (1403). Electric Vehicle Battery Charging Using a Non-Isolated Bidirectional DC-DC Converter Connected to T-Type Three Level Converter. فناوری آموزش, 13(1), 129-140. doi: 10.22061/jecei.2024.10870.743
F. Sedaghati; S. A. Azimi. "Electric Vehicle Battery Charging Using a Non-Isolated Bidirectional DC-DC Converter Connected to T-Type Three Level Converter". فناوری آموزش, 13, 1, 1403, 129-140. doi: 10.22061/jecei.2024.10870.743
Sedaghati, F., Azimi, S. A.. (1403). 'Electric Vehicle Battery Charging Using a Non-Isolated Bidirectional DC-DC Converter Connected to T-Type Three Level Converter', فناوری آموزش, 13(1), pp. 129-140. doi: 10.22061/jecei.2024.10870.743
Sedaghati, F., Azimi, S. A.. Electric Vehicle Battery Charging Using a Non-Isolated Bidirectional DC-DC Converter Connected to T-Type Three Level Converter. فناوری آموزش, 1403; 13(1): 129-140. doi: 10.22061/jecei.2024.10870.743

Electric Vehicle Battery Charging Using a Non-Isolated Bidirectional DC-DC Converter Connected to T-Type Three Level Converter

Journal of Electrical and Computer Engineering Innovations (JECEI)
مقاله 10، دوره 13، شماره 1، فروردین 2025، صفحه 129-140    اصل مقاله (1.9 M)
نوع مقاله: Original Research Paper
شناسه دیجیتال (DOI): 10.22061/jecei.2024.10870.743
نویسندگان
F. Sedaghati* ؛ S. A. Azimi
Department of Electrical Engineering, Faculty of Engineering, University of Mohaghegh Ardabili, Ardabil, Iran.
تاریخ دریافت: 10 تیر 1403،  تاریخ بازنگری: 17 شهریور 1403،  تاریخ پذیرش: 24 شهریور 1403 
چکیده
Background and Objectives: {R1-1} Increasing environmental problems have led to the spread of Electric Vehicles (EVs). One of the attractive research fields of electric vehicles is the charging battery of this strategic product. Electric vehicle battery chargers often lack bidirectional power flow and the flexibility to handle a wide range of battery voltages. This study proposes a non-isolated bidirectional DC-DC converter connected to a T-type converter with a reduced number of switches to solve this limitation.
Methods: The proposed converter uses a DC-DC converter that has an interleaved structure along with a three-level T-type converter with a reduced number of switches and a common ground for the input and output terminals. Space vector pulse width modulation (SVPWM) and carrier based sinusoidal pulse width modulation (CBPWM) control the converter for Vehicle to grid (V2G) and grid to Vehicle (G2V) operation, respectively.
Results: Theoretical analysis shows 96.9% efficiency for 15.8kW output power and 3.06% THD during charging with low battery voltage ripple. In V2G mode, it achieves an efficiency of 96.5% while injecting 0.5 kW of power into the 380 V 50 Hz grid. The DC link voltage is stabilized. The proposed converter also provides good performance for a wide range of battery development.
Conclusion: The proposed converter offers high efficiency and cost reduction. It provides the possibility of charging a wide range of batteries and provides V2G and G2V power flow performance. The proposed converter is capable of being placed in the fast battery charging category. The ability to charge two batteries makes it a suitable option for charging stations.
کلیدواژه‌ها
Electric Vehicle؛ Battery Charger؛ Non-Isolated Bidirectional DC-DC Converter؛ T-Type Three-Level Converter؛ Charging Station
مراجع
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