Comparative Analysis of Various Z-source Based Five Level Cascaded H-bridge Multilevel Inverter

C. R. Balamurugan, K. Vijayalakshmi


Z-source based multilevel inverters are the recent topologies as they have boosting ability and near sinusoidal output waveforms. This paper proposes different inverter topologies such as Z-source multilevel inverter and quasi Z-source multilevel inverter. This paper also deals with switched inductor and improved switched inductor topologies with quasi Z-network. The proposed switched inductor system reduces the voltage stresses caused by capacitors, power devices and diodes. In addition to multilevel inverter advantages, the proposed configuration employs Z-source inverter advantages. The Z-source inverter as compared to the traditional inverter is less costly, less complex, more efficient and more reliable. The performance of the proposed configurations is analysed by varying passive elements in impedance network and is simulated in MATLAB/SIMULINK. Phase disposition (PD) pulse width modulation (PWM) technique is applied on the proposed configurations and performance parameters are measured by the fast Fourier transform FFT analysis. The object of this paper is to develop an inverter which is used for variable speed drives with increase in output voltage by eliminating transformer and filter circuit. The performance is checked with standared parameter of the inverter.


Five level; MLI; State; THD; Z-source


Nguyen, M.K., Lim, Y.C., Choi, J.H., Two Switched Inductor Quasi Z-Source Inverters, IET Power Electronics, 2012, 5, (7), pp. 1017-1025.

Divya Subramanian., Rebiya Rasheed., Five Level cascaded H-Bridge Multilevel Inverter Using Multicarrier Pulse Width Modulation Technique, International Journal of Engineering and Innovative Technology, 2013, 3, (1), pp. 438-441.

Dinakaran, C., Abhimanyu Bhimarjun Panthee., K.Eswaramma., Modelling and Control of Quasi Z-Source Inverter for Advanced Power Conditioning of Renewable Energy Systems, International Journal of Advanced Research in Electrical, Electronics, and Instrumentation Engineering, April 2014, 3, (2), pp.136-141.

Farshad Khosravi., Naziha Ahmad Azli., Avin Kaykhosravi1., Design of Reduced Component Count Single Phase-Three Phase quasi Z-Source Converter, IET Power Electronics, 2014, 7, (3), pp. 489-495.

Kohila, J., Munia Raj, R., Kannan, S., Z_Source Multilevel Inverter for Photovoltaic Application, International Journal of Innovative Research in Science, Engineering and Technology, 2014, 3, (3), pp. 492-297.

Gundhar Chougule., Asha Gaikwad., Simulation Study of Quasi Z-Source Inverter for Resistive and Inductive Load, International Journal of Innovations in Engineering Research and Technology, 2015, 2, (6), pp.2-13

Elakya, V.C., Aarthi., V.V.Teresa., 'High Performance Extended Switched Inductor Quasi Z-Source Inverter for Three Phase Loads, International Journal of Innovative Research in Science, Engineering and Technology., 2015, 4, (4), pp. 76-81

Liqiang Yang., Dongyuan Qiu., Bo Zhang., High-Performance Quasi Z-Source Inverter with Low Capacitor Voltage Stress and Small Inductance , IET Power Electronics, 2015, 8, (6), pp. 1061-1067

N.Devaraj, A.Reena, Reduction of switches and DC sources in Cascaded Multilevel inverter, Bulletin of Electrical Engineering and Informatics, 2015, 4,(3), pp.186-195.

Sobhan Dorahaki, A Survey on Maximum Power Point Tracking Methods in Photovoltaic Power Systems, Bulletin of Electrical Engineering and Informatics, 2015, 4,(3), pp.169-175.

Einstien Jackson, S., Implementation of Switched Inductor Quasi Z-Source Inverter, International Journal of Pharmacy and Technology, 2016, 8, (4), pp.23769-23779

Bhujangaro, Y., Bhavani, T., Implementation of Cascaded H-bridge Multilevel Inverter for Sinusoidal PWM Controller Fed Induction Drive, International Journal of Advanced Technology and Innovative Research, 2016, 8, (9), pp.1870-1876

Gaddafi Sani Shehu., Abdullahi Bala Kunya., Ibrahim Haruna Shanono., A Review of Multilevel Inverter Topology and Control Techniques, Journal of Automation and Control Engineering, 2016, 4, (3), pp.233-241

Himanshu., Rintu Khanna., Neelu Jain., A Survey on Various Topologies of Z-Source Inverters, International Journal of Electrical and Electronics Engineering, 2016, 3, (7), pp.5-9.

Nishamol, P.T., Jassia, M.A., Single Phase Switched- Capacitor/ Switched Inductor Quasi –Source Inverter, International Journal of Innovative Research in Science, Engineering and Technology, 2016, 5, (8), pp. 14935-14943.

H.Yuyao., L. Hailong., F. Wei., Novel Cascaded Z-Source Neutral Point Clamped Inverter, Chinese Journal of Electronics, 2016, 25, (5), pp. 965-973

Mahmooda Mubeen., Design of Z-Source Inverter for Voltage Boost Applications', International Journal of Innovative Research in Electrical, Electronics, Instrumentation and Control Engineering, 2016, 4, (2), pp. 136-140

Asadei D, Serra G, Tani K., Implementation of a Direct Control Algorithm for Induction Motors Based on Discrete Space Vector Modulation, IEEE Transactions on Power Electronics. 2007; 15(4): 769-777.

K.Vijayalakshmi, C.R.Balamurugan, A Review on Z-Source Based Multilevel Inverter with Reduced Number of Switches, 2016 International Conference on Engineering and Technology (ICET), Karpagam College of Engineering, Coimbatore, ISBN: 978-1-5090-3212-9, 16th and 17th, Dec 2016.

K.Vijayalakshmi, C.R.Balamurugan, Simulation and Analysis of Improved Switched Inductor Quasi Z-Source Based Multilevel Inverter with Reduced Number of Switches, International Conference On Emerging Trends In Science, Engineering & Technology, Jerusalem College Of Engineering, Chennai, 18th and 19th, March 2017.

S.M.Revathi, C.R.Balamurugan, A Review on Various Z-Source Fed Multilevel Inverter, 10th International Conference on Recent Innovations in Science, Engineering and Management, 978-93-86171-53-5, Dhruva Institute of Engineering and Technology, Nalgonda, July 7th, 2017.

K.Vijayalakshmi, C.R.Balamurugan, Investigations on Z-source based cascaded five level inverter, International Journal of Signal Processing, Image Processing and Pattern Recognition, ISSN No. 2005 - 4254, vol.9, no.12, pp.37 - 50, Dec 2016.

K.Vijayalakshmi, C.R.Balamurugan, Z Source Multilevel Inverter Based on Embedded Controller, TELKOMIKA Indonesian Journal of Electrical Engineering and Computer Science, ISSN No. 2302-4046, vol.6, no.1, pp.1-8, April 2017.

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