Hybrid Asymmetric Multilevel Inverter Topology With Unidirectional High‐Frequency Link for Uninterrupted Power Supply Applications
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| Natura: | Artículo Open Access |
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Wiley
2025
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| author | Mohsin Karim Ansari Neha Tak Sumit Kumar Chattopadhyay |
| author_facet | Mohsin Karim Ansari Neha Tak Sumit Kumar Chattopadhyay Mohsin Karim Ansari Neha Tak Sumit Kumar Chattopadhyay |
| collection | Wiley Open Access |
| contents | Hybrid Asymmetric Multilevel Inverter Topology With Unidirectional High‐Frequency Link for Uninterrupted Power Supply Applications Mohsin Karim Ansari Neha Tak Sumit Kumar Chattopadhyay International Journal of Circuit Theory and Applications ABSTRACT This paper presents an efficient hybrid multilevel inverter topology for three‐phase uninterruptible power supply systems. This hybrid topology combines a T‐type neutral point clamped (TNPC) inverter and an H‐bridge inverter with quaternary asymmetry. This configuration can offer high‐resolution output line‐to‐line voltage using an optimized number of devices. The TNPC inverter's low‐loss characteristics are further enhanced by operating it at near fundamental frequency. The modulation strategy is customized to manage with limited computational resources. Additionally, an optimized battery bank arrangement with a low VA unidirectional high‐frequency link is proposed to ensure voltage asymmetry and balanced operation. Loss analysis of the converter is performed in PLECS. Simulation results obtained from MATLAB/Simulink are validated through experimental testing, showing strong agreement with the simulations. 10.1002/cta.70139 http://onlinelibrary.wiley.com/termsAndConditions#vor |
| doi_str_mv | 10.1002/cta.70139 |
| format | Artículo Open Access |
| id | wiley_oa_10_1002_cta_70139 |
| institution | Wiley Open Access |
| license_str_mv | http://onlinelibrary.wiley.com/termsAndConditions#vor |
| publishDate | 2025 |
| publisher | Wiley |
| record_format | wiley_oa |
| spellingShingle | Hybrid Asymmetric Multilevel Inverter Topology With Unidirectional High‐Frequency Link for Uninterrupted Power Supply Applications Mohsin Karim Ansari Neha Tak Sumit Kumar Chattopadhyay International Journal of Circuit Theory and Applications Hybrid Asymmetric Multilevel Inverter Topology With Unidirectional High‐Frequency Link for Uninterrupted Power Supply Applications Mohsin Karim Ansari Neha Tak Sumit Kumar Chattopadhyay International Journal of Circuit Theory and Applications ABSTRACT This paper presents an efficient hybrid multilevel inverter topology for three‐phase uninterruptible power supply systems. This hybrid topology combines a T‐type neutral point clamped (TNPC) inverter and an H‐bridge inverter with quaternary asymmetry. This configuration can offer high‐resolution output line‐to‐line voltage using an optimized number of devices. The TNPC inverter's low‐loss characteristics are further enhanced by operating it at near fundamental frequency. The modulation strategy is customized to manage with limited computational resources. Additionally, an optimized battery bank arrangement with a low VA unidirectional high‐frequency link is proposed to ensure voltage asymmetry and balanced operation. Loss analysis of the converter is performed in PLECS. Simulation results obtained from MATLAB/Simulink are validated through experimental testing, showing strong agreement with the simulations. 10.1002/cta.70139 http://onlinelibrary.wiley.com/termsAndConditions#vor |
| title | Hybrid Asymmetric Multilevel Inverter Topology With Unidirectional High‐Frequency Link for Uninterrupted Power Supply Applications |
| topic | International Journal of Circuit Theory and Applications |
| url | https://onlinelibrary.wiley.com/doi/10.1002/cta.70139 |