A Three-Level DC-Link Quasi-Switch Boost T-Type Inverter with Voltage Stress Reduction
In recent years, the three-level T-Type inverter has been considered the best choice for many low and medium power applications. Nevertheless, this topology is known as a buck converter. Therefore, in this paper, a new topology incorporating the dc-link type quasi-switched boost network with the tra...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2020-07-01
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| Series: | Energies |
| Subjects: | |
| Online Access: | https://www.mdpi.com/1996-1073/13/14/3727 |
| _version_ | 1827712714136354816 |
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| author | Vinh-Thanh Tran Duc-Tri Do Van-Dung Do Minh-Khai Nguyen |
| author_facet | Vinh-Thanh Tran Duc-Tri Do Van-Dung Do Minh-Khai Nguyen |
| author_sort | Vinh-Thanh Tran |
| collection | DOAJ |
| description | In recent years, the three-level T-Type inverter has been considered the best choice for many low and medium power applications. Nevertheless, this topology is known as a buck converter. Therefore, in this paper, a new topology incorporating the dc-link type quasi-switched boost network with the traditional three-level T-type inverter is proposed to overcome the limit of traditional three-level T-Type inverter. The space vector pulse width modulation scheme is considered to control this topology, which provides some benefits such as enhancing modulation index and reducing the magnitude of common-mode voltage. For this scheme, the zero, medium, and large vectors are utilized to generate the output voltage. The shoot-through state which is adopted by turning on all power switches of inverter leg is inserted into zero vector to boost the dc-link voltage. As a result, there is no distortion at the output waveform. The control signal of intermediate network power switches is also detailed to improve the boost factor and voltage gain. As a result, the voltage stress on power devices like capacitors, diodes, and switches is decreased significantly. To demonstrate the outstanding of proposed structure and its control strategy, some comparisons between the proposed method and other ones are performed. Simulation and experimental prototype results are conducted to verify the accuracy of the theory and effectiveness of the inverter. |
| first_indexed | 2024-03-10T18:21:23Z |
| format | Article |
| id | doaj.art-044ca231ce714b49878545717a9d095c |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-03-10T18:21:23Z |
| publishDate | 2020-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-044ca231ce714b49878545717a9d095c2023-11-20T07:18:17ZengMDPI AGEnergies1996-10732020-07-011314372710.3390/en13143727A Three-Level DC-Link Quasi-Switch Boost T-Type Inverter with Voltage Stress ReductionVinh-Thanh Tran0Duc-Tri Do1Van-Dung Do2Minh-Khai Nguyen3Faculty of Electrical and Electronics Engineering, Ho Chi Minh City University of Technology and Education, Ho Chi Minh City 700000, VietnamFaculty of Electrical and Electronics Engineering, Ho Chi Minh City University of Technology and Education, Ho Chi Minh City 700000, VietnamFaculty of Electrical and Electronics Engineering, Ho Chi Minh City University of Technology and Education, Ho Chi Minh City 700000, VietnamFaculty of Electrical and Electronics Engineering, Ho Chi Minh City University of Technology and Education, Ho Chi Minh City 700000, VietnamIn recent years, the three-level T-Type inverter has been considered the best choice for many low and medium power applications. Nevertheless, this topology is known as a buck converter. Therefore, in this paper, a new topology incorporating the dc-link type quasi-switched boost network with the traditional three-level T-type inverter is proposed to overcome the limit of traditional three-level T-Type inverter. The space vector pulse width modulation scheme is considered to control this topology, which provides some benefits such as enhancing modulation index and reducing the magnitude of common-mode voltage. For this scheme, the zero, medium, and large vectors are utilized to generate the output voltage. The shoot-through state which is adopted by turning on all power switches of inverter leg is inserted into zero vector to boost the dc-link voltage. As a result, there is no distortion at the output waveform. The control signal of intermediate network power switches is also detailed to improve the boost factor and voltage gain. As a result, the voltage stress on power devices like capacitors, diodes, and switches is decreased significantly. To demonstrate the outstanding of proposed structure and its control strategy, some comparisons between the proposed method and other ones are performed. Simulation and experimental prototype results are conducted to verify the accuracy of the theory and effectiveness of the inverter.https://www.mdpi.com/1996-1073/13/14/3727quasi-switched boost inverterthree-level T-type invertershoot-throughthree-level inverterintermediate networkdc-link type |
| spellingShingle | Vinh-Thanh Tran Duc-Tri Do Van-Dung Do Minh-Khai Nguyen A Three-Level DC-Link Quasi-Switch Boost T-Type Inverter with Voltage Stress Reduction Energies quasi-switched boost inverter three-level T-type inverter shoot-through three-level inverter intermediate network dc-link type |
| title | A Three-Level DC-Link Quasi-Switch Boost T-Type Inverter with Voltage Stress Reduction |
| title_full | A Three-Level DC-Link Quasi-Switch Boost T-Type Inverter with Voltage Stress Reduction |
| title_fullStr | A Three-Level DC-Link Quasi-Switch Boost T-Type Inverter with Voltage Stress Reduction |
| title_full_unstemmed | A Three-Level DC-Link Quasi-Switch Boost T-Type Inverter with Voltage Stress Reduction |
| title_short | A Three-Level DC-Link Quasi-Switch Boost T-Type Inverter with Voltage Stress Reduction |
| title_sort | three level dc link quasi switch boost t type inverter with voltage stress reduction |
| topic | quasi-switched boost inverter three-level T-type inverter shoot-through three-level inverter intermediate network dc-link type |
| url | https://www.mdpi.com/1996-1073/13/14/3727 |
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