Journal Press India^®

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This research makes a design recommendation for a multilayer solar inverter that uses the level shift pulse width modulation technology. Inverters that have numerous layers are able to take advantage of switching at many frequencies, with the fundamental frequency being the frequency with the lowest switching rate. In this particular instance, we make use of not one but two signals: one serves the function of a carrier signal, while the other serves the function of a reference signal. In multilayer level inverters (MLI), the triangle wave is used as a carrier signal, while the sinusoidal wave is employed as a reference signal for the method of pulse width modulation. In addition, the sinusoidal wave is used as a reference signal for the pulse height modulation technique. These two waves are combined to produce what is known as a multilayer level inverter (MLI). This study will conduct an in-depth investigation into how adjusting the level shift of the carrier signals affects hybrid PV-based MLIs and how to count harmonics in multilayer PV-based inverters. Both of these things increase voltage and significantly reduce losses. Both of these things are important for this study. Both of these subjects are going to be discussed at length in this investigation. In order to do an analysis of the voltage and current harmonics, a level shift method simulation is run on a multilayer cascaded hybrid PV-based inverter using Matlab/Simulink. This simulation is utilised to accomplish the task.

Keywords

PV System; HMI; Harmonics Distortion; PWM; Matlab/Simulink

1. L. M. Tolbert, F. Z. Peng, and T. G. Habetler, “ Multilevel converters for large electric drives,” IEEE Trans. Ind. Appl., vol. 35, no. 1, pp. 36– 44,Jan./ Feb. 1999.
2. Xiaoming Yuanand Ivo Barb, “ Fundamentals of a New Diode Clamping Multilevel Inverter”, IEEE Trans. on Power Electronics, Vol.15, No.4, July 2000.
3. Jih-Sheng Lai, IEEE, and Fang Zheng Peng, “ A New Breed of flying Capacitor Multilevel Converter” IEEE Transactions On Industry Applications, Vol. 32, No. 3, May/June 1996.
4. Rodriguez J, Lai J-S, Peng FZ. Rodriguez, Jose, Jih-Sheng Lai, and Fang Zheng Peng. "Multilevel inverters: a survey of topologies, controls, and applications." IEEE Transactions on industrial electronics 49, no. 4 pp.724-738,Aug 2002.
5. V.S.Kirthika Devi,Dr.S.G.Srivani Iyengar ‘‘A New PWM Technique For symmetric and Asymmetric Seven Level Mult ilevel Inverter Topology with reduced number of DC sources’’ International Journal of Applied Engineering Research(IJAER),ISSN 0973-4562 Volume 10, Number 9, pp. 22299-22311, June (2015).
6. V.S. Kirthika Devi, and S. G. Srivani. "Performance assessment of PV energy conversion system with Buck-Boost and Cuk converter for cascaded H-Bridge inverter." 2016 Biennial International Conference on Power and Energy Systems: Towards Sustainable Energy (PEST SE). IEEE, 2016.
7. Zhang, Longlong, Dehong Xu, and William Gerard Hurley. "Modelling and simulation of a portable fuel cell system." In Power Electronics and Motion Control Conference (EPE/PEMC), 2010 14th International, pp. T12-96. IEEE, 2010
8. V. S. Kirthika Devi and S. G. Srivani, "Modified phase shifted PWM for cascaded H bridge multilevel inverter," 2017 Third International Conference on Advances in Electrical, Electronics, Information, Communication and Bio-Informatics (AEEICB), Chennai, 2017, pp. 89-94, doi: 10.1109/AEEICB.2017.7972389.
9. Azad, Murari Lal, Soumya Das, Pradip Kumar Sadhu, Biplab Satpati, Anagh Gupta, and P. Arvind. "P&O algorithm based MPPT technique for solar PV system under different weather conditions." In Circuit, Power and Computing Technologies (ICCPCT), 2017 International Conference on, pp. 1-5. IEEE, 2017.
10. B. Amrouche, A. Guessoum, and M. Belhamel, "A simple behavioural model for solar module electric   characteristics based on the first order system step response for MPPT study and comparison," Applied Energy, vol. 91, pp. 395 -404, 2012.
11. Single-Phase Seven-Level PWM Inverter for PV Systems Employing Multi-level Boost
12. Converter, “2018 International Conference on Innovative Trends in Computer Engineering (ITCE 2018), Aswan University, Egypt.
13. V.S. Kirthika Devi, and S. G. Srivani. "Performance assessment of PV energy conversion system with Buck-Boost and Cuk converter for cascaded H-Bridge inverter." 2016 Biennial International Conference on Power and Energy Systems: Towards Sustainable Energy (PEST SE). IEEE, 2016.
14. Kumar, Y. and Gupta, H., 2022, April. Load Flow Analysis of Distribution generator using the unsynchronized Measurement. In 2022 Second International Conference on Advances in Electrical, Computing, Communication and Sustainable Technologies (ICAECT) (pp. 1-5). IEEE.
15.   B. Singh, N. Mittal, K. S. Verma, “Multi-Level Inverter: A Literature Survey On Topologies And Control Strategies”, International Journal of Reviews in Computing, Vol. 10, July 2012, pp. 1 -16