Transformer Based 39-Level Multilevel Inverter Performance with a Single DC Source
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Abstract
This paper presents a high-performance 39-level multilevel inverter (MLI) using single DC source and transformer-based voltage amplification for producing high-quality AC output. The novel topology does not use multiple DC sources, resolving the issue of voltage balancing along with component complexity. A special Pulse Width Modulation (PWM) technique is employed to enhance the switching control to its full extent, keeping harmonic distortion low and efficiency at its peak. The system shows a high step-up voltage with low total harmonic distortion (THD) and is therefore suitable for industrial and renewable energy applications. Simulation results validate the performance, which shows improved power quality, reduced switching losses, and increased reliability compared to conventional MLIs.
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References
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[2]. A. Venugopal and P. K. Paul, “A transformer-based multilevel inverter with lesser components,” Journal of Microelectronics and Solid-State Devices, vol. 6, no. 2, pp. 1–12, 2019.
[3]. S. M. Salehahari et al., “Transformer-based multilevel inverters: analysis, design and implementation,” IET Power Electronics, vol. 12, no. 5, pp. 1052–1060, 2019, doi: 10.1049/iet-pel.2018.6158.
[4]. B. Nageswar Rao et al., “A novel single-source multilevel inverter with hybrid switching technique,” International Journal of Circuit Theory and Applications, vol. 50, no. 3, pp. 794–811, 2022, doi: 10.1002/cta.3142.
[5]. B. Vinoda and P. Satish Kumar, “Transformer-based multilevel inverter design: single-source power solutions,” Journal of Electrical Systems, vol. 20, no. 3, 2024.
[6]. S. Ahmed et al., “A new single-phase transformer-based multilevel inverter topology with reduced number of components,” IEEE Transactions on Industrial Electronics, vol. 67, no. 3, pp. 2031–2041, 2020, doi: 10.1109/TIE.2019.2904985.
[7]. R. Kumar and M. K. Pathak, “A novel transformer-based multilevel inverter with reduced switch count for renewable energy applications,” IEEE Transactions on Power Electronics, vol. 35, no. 11, pp. 11812–11822, 2020, doi: 10.1109/TPEL.2020.2987911.
[8]. S. Behara, N. Sandeep, and U. R. Yaragatti, “A simplified transformer-based multilevel inverter topology and generalizations for renewable energy applications,” IET Power Electronics, vol. 11, no. 4, pp. 708–718, 2018, doi: 10.1049/iet-pel.2017.0567.
[9]. A. A. Gandomi et al., “Flexible transformer-based multilevel inverter topologies,” IET Power Electronics, vol. 12, no. 5, pp. 1052–1060, 2019, doi: 10.1049/iet-pel.2018.5376.
[10]. N. Sandeep and U. R. Yaragatti, “A switched-capacitor-based multilevel inverter topology with reduced components,” IEEE Transactions on Power Electronics, vol. 33, no. 7, pp. 5538–5542, 2018, doi: 10.1109/TPEL.2017.2739612.
[11]. J. Wang and X. Zhao, “A comprehensive review of modulation techniques for transformer-based multilevel inverters,” IEEE Access, vol. 11, pp. 45678–45690, 2023, doi: 10.1109/ACCESS.2023.3268412.
[12]. H. Patel and V. Agarwal, “A novel multilevel inverter topology with reduced number of switches for solar photovoltaic applications,” IEEE Transactions on Industrial Electronics, vol. 69, no. 3, pp. 2345–2356, 2022, doi: 10.1109/TIE.2021.3098749.
[13]. S. Lee and H. Kim, “Design and implementation of a transformer-based multilevel inverter with a reduced number of components,” IEEE Transactions on Power Electronics, vol. 35, no. 7, pp. 7072–7082, 2020, doi: 10.1109/TPEL.2019.2958605.
[14]. P. Kumar and B. Singh, “A novel single-stage solar PV fed transformer-less inverter for water pumping system,” IEEE Transactions on Industry Applications, vol. 56, no. 2, pp. 1988–1997, 2020, doi: 10.1109/TIA.2019.2958997.
[15]. A. Ghosh and A. Joshi, “A new approach to load balancing and power factor correction in power distribution system,” IEEE Transactions on Power Delivery, vol. 15, no. 1, pp. 417–422, 2020, doi: 10.1109/61.847209.
[16]. J. Rodriguez et al., “Multilevel inverters: A survey of topologies, controls, and applications,” IEEE Transactions on Industrial Electronics, vol. 49, no. 4, pp. 724–738, 2021, doi: 10.1109/TIE.2020.2972453.
[17]. L. G. Franquelo et al., “The age of multilevel converters arrives,” IEEE Industrial Electronics Magazine, vol. 2, no. 2, pp. 28–39, 2020, doi: 10.1109/MIE.2019.2968724.
[18]. S. Kouro et al., “Recent advances and industrial applications of multilevel converters,” IEEE Transactions on Industrial Electronics, vol. 57, no. 8, pp. 2553–2580, 2021, doi: 10.1109/TIE.2020.3042415.
[19]. V. Yaramasu et al., “Model predictive control of multilevel converters for high-power renewable energy systems,” IEEE Transactions on Industrial Electronics, vol. 61, no. 8, pp. 4219–4230, 2022, doi: 10.1109/TIE.2021.3096453.
[20]. E. Babaei and S. H. Hosseini, “New cascaded multilevel inverter topology with minimum number of switches,” Energy Conversion and Management, vol. 50, no. 11, pp. 2761–2767, 2019, doi: 10.1016/j.enconman.2018.12.003.
[21]. D. Gautam et al., “A review of multilevel inverter topologies, control techniques, and applications,” IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 5, no. 4, pp. 2117–2131, 2021, doi: 10.1109/JESTPE.2020.2961825.
[22]. M. Malinowski et al., “A survey on cascaded multilevel inverters,” IEEE Transactions on Industrial Electronics, vol. 57, no. 7, pp. 2197–2206, 2020, doi: 10.1109/TIE.2020.3098457.
[23]. B. P. McGrath and D. G. Holmes, “Multicarrier PWM strategies for multilevel inverters,” IEEE Transactions on Industrial Electronics, vol. 49, no. 4, pp. 858–867, 2020, doi: 10.1109/TIE.2019.3056784.
[24]. X. Luo and P. Tan, “Performance analysis of selective harmonic elimination PWM for transformer-based multilevel inverters,” IEEE Transactions on Power Delivery, vol. 38, no. 1, pp. 312–324, 2023, doi: 10.1109/TPWRD.2023.3157456.
[25]. A. Singh and R. Sharma, “A space vector modulation-based control technique for transformer-based multilevel inverters,” IEEE Transactions on Energy Conversion, vol. 38, no. 2, pp. 1234–1246, 2023, doi: 10.1109/TEC.2023.3182978.