Open Access Open Access  Restricted Access Subscription Access

Interleaved Operation of Quasi Z-Sources for Cascaded H-Bridge Multi Level Inverter

Prof. Chandrasekhar Seregara, Janavi Atnoor, Kaveri D M, Pradeep Panchal, Prajwal G Shastri

Abstract


This paper presents an analytical and simulation-based study on the interleaved operation of quasi-Z-source (QZS) networks in a cascaded H-bridge multilevel inverter (CHB-MLI) topology. The focus is on demonstrating how interleaving two QZS networks reduces the voltage ripple (ΔV) across the DC link capacitors. In conventional QZS-CHB systems, significant voltage ripple can affect the stability and efficiency of power conversion. By introducing a phase shift between the operation of two identical QZS networks feeding a single H-bridge, the net ripple is effectively minimized due to partial cancellation of the ripple components. Simulation results obtained from MATLAB/Simulink validate the proposed concept, showing notable improvements in voltage stability and reduction in component stress. The analysis also compares the output voltage profiles of interleaved and non-interleaved QZS configurations.


Full Text:

PDF

References


Aida Gorgani, Malik Elbuluk and Yilmaz Sozer . Quasi-Z-Source-Based Multilevel Inverter for Single Phase PV Applications published in IEEE (DOI-978-1-5090-0737-0/16) (2016).

G. Prem Sunder, Dr. B. Shanthi, Dr. Alamelu Nachiappan, Dr. S. P. Natarajan. Study of Quasi-Z-Source CHB Multilevel Inverter with Switched-Inductor . International Journal of Scientific & Engineering Research (IJSER) (ISSN 2229-5518) (July-2016).

M. Banupriya and A. Suvalakshmi, S. Kalaiarasi, R. Lakshmi, C, Manishka Analysis of Single-Phase Quasi-Z Source Cascaded Multi Level Inverter .International Journal of Engineering Research & Technology (IJERT) (ISSN: 2278-0181) (2020).

Milad Shamouei -Milan Kourosh Khalaj, Reza Monfared asgarnia, Miladghavipanjeh Marangalu A New Single -Phase High Step-Up Active-Switched Quasi Z-Source NNPC Inverter With Common Ground Feature. IEEE open journal of power electronics (IEEE) (DOI 10.1109/OJPEL.2024.3417277) (July 2024).

Minh-Khai Nguyen . Quasi Cascaded H-Bridge Five-Level Boost Inverter. IEEE transactions on industrial electronics 2016. (IEE) (DOI 10.1109/TIE.2017.2701770) .

Ahmad Faiz Minai, Akhlaque Ahmad Khan, Fausto Pedro García Márquez, Rupendra Kumar Pachauri, and Alfredo Arcos Jiménez, Hasmat Malik . Performance Evaluation of Solar PV-Based Z-Source Cascaded Multilevel Inverter with Optimized Switching Scheme. MDPI. (https://doi.org/10.3390/electronics11223706) (Nov-2022).

An Effective Control Method for Quasi-Z-Source Cascade Multilevel Inverter based Grid-Tie Single Phase Photovoltaic Power System” published by Yushan Liu, Haitham Abu-Rub Fang Zheng Peng in (IEEE) (DOI 10.1109/TII.2013.2280083) (Aug 2013).

Yushan Liu, Haitham Abu-Rub Fang Zheng Peng An Effective Control Method for Three-Phase Quasi-Z-Source Cascaded Multilevel Inverter Based Grid-Tie Photovoltaic Power System. (IEEE) (DOI 10.1109/TIE.2014.2316256, IEEE Transactions on Industrial Electronic) (Aug 2013).

Pravin P. Kalubarme . Quasi-z-source inverter for photovoltaic power generation systems . International Journal of Innovations in Engineering Research and Technology [IJIERT] ISSN: 2394-3696 (Dec-2014).

S. Rajakaruna, Y.R.L. Jayavikrama. Designing impedance network of Z-source inverters. IEEE (https://doi.org/10.1109/IPEC.2005.207047) (May 2006).


Refbacks

  • There are currently no refbacks.