A ZVZCS Full-Bridge Converter Suitable for Renewable Energy-Based MVDC Collection System
A zero-voltage zero-current-switching (ZVZCS) full-bridge DC-DC converter, based on a dual transformer with two output filter capacitors, is proposed in this paper. The proposed topology is suitable for application in renewable energy at medium voltage, integrated with a DC collection system. To rea...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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IEEE
2024-01-01
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| Series: | IEEE Access |
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| Online Access: | https://ieeexplore.ieee.org/document/10439159/ |
| _version_ | 1827330079967936512 |
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| author | Syed Waqar Azeem Muhammad Ehab Bingsen Wang Josep M. Guerrero Kashif Mehmood Ali Altalbe |
| author_facet | Syed Waqar Azeem Muhammad Ehab Bingsen Wang Josep M. Guerrero Kashif Mehmood Ali Altalbe |
| author_sort | Syed Waqar Azeem |
| collection | DOAJ |
| description | A zero-voltage zero-current-switching (ZVZCS) full-bridge DC-DC converter, based on a dual transformer with two output filter capacitors, is proposed in this paper. The proposed topology is suitable for application in renewable energy at medium voltage, integrated with a DC collection system. To realize voltage and power regulation for the converter, pulse width modulation (PWM) is employed with a fixed duty cycle for the main switches. Through careful design of the turns ratio of the main transformer, most of the power under full load range is delivered by the main full-bridge circuit, which also achieves zero-voltage switching (ZVS). This significantly reduces the switching losses. A small portion of the total power is delivered by the auxiliary circuit that realizes ZVZCS. Therefore, the turns ratio of the auxiliary transformer can be optimized such that the efficiency of the proposed converter can be improved. The optimzation is discussed in detail, along with the design parameters of the proposed converter. A prototype of 200V-2kV/3kW has been developed to verify the simulation results and validate the working of the proposed scheme. |
| first_indexed | 2024-03-07T15:52:30Z |
| format | Article |
| id | doaj.art-a2b8bda559b04aa19ad5ed3ab5ee7ecb |
| institution | Directory Open Access Journal |
| issn | 2169-3536 |
| language | English |
| last_indexed | 2024-03-07T15:52:30Z |
| publishDate | 2024-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Access |
| spelling | doaj.art-a2b8bda559b04aa19ad5ed3ab5ee7ecb2024-03-05T00:00:17ZengIEEEIEEE Access2169-35362024-01-0112324343244410.1109/ACCESS.2024.336723910439159A ZVZCS Full-Bridge Converter Suitable for Renewable Energy-Based MVDC Collection SystemSyed Waqar Azeem0https://orcid.org/0000-0002-0696-9571Muhammad Ehab1https://orcid.org/0000-0002-2561-2009Bingsen Wang2https://orcid.org/0000-0001-5779-9405Josep M. Guerrero3https://orcid.org/0000-0001-5236-4592Kashif Mehmood4Ali Altalbe5https://orcid.org/0000-0003-1304-3723School of Electrical Engineering, Southeast University, Nanjing, ChinaDepartment of Electrical Engineering, Soongsil University, Seoul, South KoreaPropulsion Systems, Stellantis, Auburn Hills, MI, USADepartment of Electronic Engineering, Center for Research on Microgrids (CROM), Technical University of Catalonia, Barcelona, SpainAssistant Dean for Research, United Arab Emirates University, Al Ain, United Arab EmiratesDepartment of Computer Engineering, Prince Sattam bin Abdulaziz University, Al-Kharj, Saudi ArabiaA zero-voltage zero-current-switching (ZVZCS) full-bridge DC-DC converter, based on a dual transformer with two output filter capacitors, is proposed in this paper. The proposed topology is suitable for application in renewable energy at medium voltage, integrated with a DC collection system. To realize voltage and power regulation for the converter, pulse width modulation (PWM) is employed with a fixed duty cycle for the main switches. Through careful design of the turns ratio of the main transformer, most of the power under full load range is delivered by the main full-bridge circuit, which also achieves zero-voltage switching (ZVS). This significantly reduces the switching losses. A small portion of the total power is delivered by the auxiliary circuit that realizes ZVZCS. Therefore, the turns ratio of the auxiliary transformer can be optimized such that the efficiency of the proposed converter can be improved. The optimzation is discussed in detail, along with the design parameters of the proposed converter. A prototype of 200V-2kV/3kW has been developed to verify the simulation results and validate the working of the proposed scheme.https://ieeexplore.ieee.org/document/10439159/Full-bridge convertermedium voltage direct current (MVDC)zero voltage zero current switching (ZVZCS)high power DC-DC converterenergy efficient |
| spellingShingle | Syed Waqar Azeem Muhammad Ehab Bingsen Wang Josep M. Guerrero Kashif Mehmood Ali Altalbe A ZVZCS Full-Bridge Converter Suitable for Renewable Energy-Based MVDC Collection System IEEE Access Full-bridge converter medium voltage direct current (MVDC) zero voltage zero current switching (ZVZCS) high power DC-DC converter energy efficient |
| title | A ZVZCS Full-Bridge Converter Suitable for Renewable Energy-Based MVDC Collection System |
| title_full | A ZVZCS Full-Bridge Converter Suitable for Renewable Energy-Based MVDC Collection System |
| title_fullStr | A ZVZCS Full-Bridge Converter Suitable for Renewable Energy-Based MVDC Collection System |
| title_full_unstemmed | A ZVZCS Full-Bridge Converter Suitable for Renewable Energy-Based MVDC Collection System |
| title_short | A ZVZCS Full-Bridge Converter Suitable for Renewable Energy-Based MVDC Collection System |
| title_sort | zvzcs full bridge converter suitable for renewable energy based mvdc collection system |
| topic | Full-bridge converter medium voltage direct current (MVDC) zero voltage zero current switching (ZVZCS) high power DC-DC converter energy efficient |
| url | https://ieeexplore.ieee.org/document/10439159/ |
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