In this paper, a new structure of multilevel inverters with the reducing the count of utilized power equipment is presented. This inverter consists of two parts, a basic module, and an H-bridge. Since the basic module part is only able to generate positive and zero voltage levels, so the H-bridge is connected to the basic module to generate all levels symmetrically (positive and negative). The newly suggested inverter is investigated by two input source determination algorithms and the general configuration of the converter is proposed with the ability to extend to a high number of levels. From the general structure of the proposed multilevel inverter, one circuit is selected to perform all the simulations, implementations, and other studies on it. Moreover, in order to investigate the proper operation of the proposed structure, this inverter has been simulated in the application of a linear induction motor in which the inverter voltage sources are powered by photovoltaic systems. The power losses of the case-study circuit with symmetrically determined input sources using the NLC modulation method are investigated for three various loads. Besides, to demonstrate the merits and features of the new inverter, the suggested inverter is compared with some recent inverters. Finally, to demonstrate the possibility and function of the suggested multilevel inverter, the case-study circuit is simulated and implemented in MATLAB/Simulink software and power electronics laboratory, respectively.
Jafari, H., et al. Design and Analysis of a New Multilevel Inverter with Reduced Number of Switching Devices. in 2021 12th Power Electronics, Drive Systems, and Technologies Conference (PEDSTC). 2021. IEEE.
Jafari, H., et al. A New Hybrid Three-Phase Multilevel Inverter Devoted to Electric Drive with Constant Volt per Hertz Control. in 2021 12th Power Electronics, Drive Systems, and Technologies Conference (PEDSTC). 2021. IEEE.
Jafari, H., Nazarpour, D., Golshannavaz, S. and Babaei, E., 2021, May. Design and Analysis of a New Hybrid Three-Phase Multilevel Inverter with Improved Specifications. In 2021 29th Iranian Conference on Electrical Engineering (ICEE) (pp. 258-262). IEEE.
G. Chen, A. Bahrami, and M. Narimani, "A new seven-level topology for high-power medium-voltage application," IEEE Transactions on Industrial Electronics, vol. 68, no. 1, pp. 37-46, 2020.
A. Taghvaie, J. Adabi, and M. Rezanejad, "A self-balanced step-up multilevel inverter based on switched-capacitor structure," IEEE Transactions on Power Electronics, vol. 33, no. 1, pp. 199-209, 2017.
S. Selvaraj, G. Kumaresan, and M. A. J. Sathik, "Modified “K”‐type multilevel inverter topology with reduced switches, DC sources, and power loss," International Transactions on Electrical Energy Systems, vol. 30, no. 5, p. e12345, 2020.
E. Zamiri, N. Vosoughi, S. H. Hosseini, R. Barzegarkhoo, and M. Sabahi, "A new cascaded switched-capacitor multilevel inverter based on improved series–parallel conversion with less number of components," IEEE Transactions on Industrial Electronics, vol. 63, no. 6, pp. 3582-3594, 2016.
S. Sabyasachi, V. B. Borghate, and S. K. Maddugari, "Step-wise design procedure for a single-phase multilevel inverter topology for different voltage level generation," IET Power Electronics, vol. 12, no. 4, pp. 729-738, 2018.
F. Masoudina, E. Babaei, M. Sabahi, and H. Alipour, "New cascaded multilevel inverter with reduced power electronic components," Iranian Journal of Electrical and Electronic Engineering, vol. 16, no. 1, pp. 107-113, 2020.
E. Samadaei, A. Sheikholeslami, S. A. Gholamian, and J. Adabi, "A square T-type (ST-Type) module for asymmetrical multilevel inverters," IEEE Transactions on power Electronics, vol. 33, no. 2, pp. 987-996, 2017.
R. S. Alishah, S. H. Hosseini, E. Babaei, and M. Sabahi, "Optimal design of new cascaded switch-ladder multilevel inverter structure," IEEE Transactions on Industrial Electronics, vol. 64, no. 3, pp. 2072-2080, 2016.
E. Babaei and S. Laali, "New extendable 15-level basic unit for multilevel inverters," Journal of Circuits, Systems and Computers, vol. 25, no. 12, p. 1650151, 2016.
M. F. Kangarlu and E. Babaei, "A generalized cascaded multilevel inverter using series connection of submultilevel inverters," IEEE transactions on power electronics, vol. 28, no. 2, pp. 625-636, 2012.
Jafari, H., Nazarpour, D., Golshannavaz, S. and Babaei, E., 2021. Design and Investigation of a New Multilevel Inverter with Reduced Number of Semiconductors for Photovoltaic Systems. Journal of Solar Energy Research, 6(3), pp.838-847.
A. Hota, S. Jain, and V. Agarwal, "An optimized three-phase multilevel inverter topology with separate level and phase sequence generation part," IEEE Transactions on Power Electronics, vol. 32, no. 10, pp. 7414-7418, 2017.
G. Waltrich and I. Barbi, "Three-phase cascade multilevel inverter using commutation sub-cells," in 2009 Brazilian Power Electronics Conference, 2009, pp. 362-368: IEEE.
E. Babaei, S. Laali, and Z. Bayat, "A single-phase cascaded multilevel inverter based on a new basic unit with reduced number of power switches," IEEE Transactions on industrial electronics, vol. 62, no. 2, pp. 922-929, 2014.
R. Choupan, M. Hassanifar, S. Golshannavaz, Y. Neyshabouri, and D. Nazarpour, "Design of a New Single-Phase Multilevel Voltage Source Inverter Based on Series Connection of Basic Units," in 2019 11th International Conference on Electrical and Electronics Engineering (ELECO), 2019, pp. 255-259: IEEE.
Venkataramanaiah, J., Y. Suresh, and A.K. Panda, Design and development of a novel 19-level inverter using an effective fundamental switching strategy. IEEE Journal of Emerging and Selected Topics in Power Electronics, 2017. 6(4): p. 1903-1911.
Zhang, L., Dong, Z., Zhao, L. and Laghrouche, S., 2021. Sliding mode observer for speed sensorless linear induction motor drives. IEEE Access, 9, pp.51202-51213.
Jafari, H., & Vaez-Zadeh, S. (2022). Investigation of a New Topology for Multilevel Inverters Fed by Photovoltaic System for Linear Induction Motor. Journal of Solar Energy Research, 7(3), 1081-1094. doi: 10.22059/jser.2022.344742.1246
Hossein Jafari; Sadegh Vaez-Zadeh. "Investigation of a New Topology for Multilevel Inverters Fed by Photovoltaic System for Linear Induction Motor". Journal of Solar Energy Research, 7, 3, 2022, 1081-1094. doi: 10.22059/jser.2022.344742.1246
Jafari, H., Vaez-Zadeh, S. (2022). 'Investigation of a New Topology for Multilevel Inverters Fed by Photovoltaic System for Linear Induction Motor', Journal of Solar Energy Research, 7(3), pp. 1081-1094. doi: 10.22059/jser.2022.344742.1246
Jafari, H., Vaez-Zadeh, S. Investigation of a New Topology for Multilevel Inverters Fed by Photovoltaic System for Linear Induction Motor. Journal of Solar Energy Research, 2022; 7(3): 1081-1094. doi: 10.22059/jser.2022.344742.1246