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Journal articles on the topic 'Switched z-source multilevel inverter'

Author: Grafiati

Published: 4 June 2025

Last updated: 15 July 2025

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1

Sinu, KJ, and Ranganathan G. "A Photo Voltaic Source Fed Novel Boosting Switched Z-Source Multilevel Inverter." Indonesian Journal of Electrical Engineering and Computer Science 9, no. 1 (2018): 20–23. https://doi.org/10.11591/ijeecs.v9.i1.pp20-23.

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This paper presents a new switched z-source multilevel inverter powered from a photovoltaic source. Addition of a power electronic switch in conventional z-source network provides excellent voltage boosting capability with moderate power rating which makes it suitable for low voltage photo voltaic applications. Proposed topology consists of single DC source, six power switches, two diodes, four capacitors and two inductors comparing to conventional five level schemes proposed topology contains less number of switches and passive elements. This scheme produces voltage waveform with lesser harmo

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2

C., R. Balamurugan, and Vijayalakshmi K. "Comparative Analysis of Various Z-source Based Five Level Cascaded H-bridge Multilevel Inverter." Bulletin of Electrical Engineering and Informatics 7, no. 1 (2018): 1–14. https://doi.org/10.11591/eei.v7i1.656.

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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-s

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3

Sinu, KJ, and Ranganathan G. "A PV FED Three Phase Switched Z-Source Multi Level Inverter for Induction Motor Drives." Indonesian Journal of Electrical Engineering and Computer Science 9, no. 1 (2018): 24–28. https://doi.org/10.11591/ijeecs.v9.i1.pp24-28.

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Generally induction motor drives posses higher harmonic contents in line voltage and current due to high switching frequency used in inverters. Conventional induction motor drives employ two level voltage source inverters which has THD in level of 50%. This paper presents a switched z-source multilevel inverter which has voltage boosting capability and has lesser THD level in comparison with conventional two level voltage source inverters. This drive is fed from a photo voltaic source because of its voltage boosting capability. A single phase five level switched z-source inverter is initially

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4

KJ, Sinu, and G. Ranganathan. "A Photo Voltaic Source Fed Novel Boosting Switched Z-Source Multilevel Inverter." Indonesian Journal of Electrical Engineering and Computer Science 9, no. 1 (2018): 20. http://dx.doi.org/10.11591/ijeecs.v9.i1.pp20-23.

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<p>This paper presents a new switched z-source multilevel inverter powered from a photovoltaic source. Addition of a power electronic switch in conventional z-source network provides excellent voltage boosting capability with moderate power rating which makes it suitable for low voltage photo voltaic applications. Proposed topology consists of single dc source, six power switches, two diodes, four capacitors and two inductors comparing to conventional five level schemes proposed topology contains less number of switches and passive elements. This scheme produces voltage waveform with les

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5

R. Balamurugan, C., and K. Vijayalakshmi. "Comparative Analysis of Various Z-source Based Five Level Cascaded H-bridge Multilevel Inverter." Bulletin of Electrical Engineering and Informatics 7, no. 1 (2018): 1–14. http://dx.doi.org/10.11591/eei.v7i1.656.

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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-s

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6

KJ, Sinu, and G. Ranganathan. "A PV FED Three Phase Switched Z-source Multi Level Inverter for Induction Motor Drives." Indonesian Journal of Electrical Engineering and Computer Science 9, no. 1 (2018): 24. http://dx.doi.org/10.11591/ijeecs.v9.i1.pp24-28.

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<p>Generally induction motor drives posses higher harmonic contents in line voltage and current due to high switching frequency used in inverters. Conventional induction motor drives employ two level voltage source inverters which has THD in level of 50%. This paper presents a switched z-source multilevel inverter which has voltage boosting capability and has lesser THD level in comparison with conventional two level voltage source inverters. This drive is fed from a photo voltaic source because of its voltage boosting capability. A single phase five level switched z-source inverter is i

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7

K. Rajalashmi. "Single Source Switched Capacitor Based Multilevel Inverter With Reduced Number of Components." Journal of Electrical Systems 20, no. 5s (2024): 1887–97. http://dx.doi.org/10.52783/jes.2525.

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Multilevel inverters find extensive use across various applications owing to their capability to generate voltage waveforms of superior quality. thereby minimizing harmonic distortion. Traditional multilevel inverters require a substantial number of power semiconductor devices and passive components, resulting in heightened costs, intricacy, and physical dimensions. These multilevel inverters play a pivotal role in the electric vehicle sector, serving as a critical component in EV power trains for converting Convert DC power from batteries into AC power to operate electric motors.. The researc

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8

Patil, Jayesh B. "Compare the Symmetric Hybridized Cascaded MLI with 17 levels with the Asymmetric Switched Capacitor MLI Topologies for Dynamic Loading." International Journal for Research in Applied Science and Engineering Technology 9, no. VII (2021): 1951–58. http://dx.doi.org/10.22214/ijraset.2021.36774.

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This article builds a symmetric hybridized cascaded a switching capacitor unit in a multilayer inverter and compares it to For 17 level inverters, A switched capacitor unit is utilized with an asymmetric multilevel inverter. In the symmetric hybridized multilevel inverter design, a In the midst of a dual-input dc source, there is a bi-directional switch is utilized to create a modified H-bridge inverter with a five-level output voltage instead of three. In the proposed scenario, In an asymmetric multilevel inverter, the switched capacitor unit substitutes the dc sources. which enlarges By a fa

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9

Debela, Tamiru, and Jiwanjot Singh. "Switched capacitor based single DC source boost multilevel inverter (S2-MLI) featuring isolation based soft charging with minimum device count." International Journal of Emerging Electric Power Systems 22, no. 4 (2021): 493–504. http://dx.doi.org/10.1515/ijeeps-2021-0110.

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Abstract Multilevel inverters (MLIs) have formed a new wave of interest in research and industry. Switched capacitor-based multilevel inverters are used to avoid the need for multiple separated DC sources compared to cascaded MLIs. However, the inclusion of several capacitors creates problems such as high inrush current, voltage imbalance. To avoid these drawbacks, this paper proposes an isolation-based scheme by using a flyback converter in the switched capacitor multilevel inverter. Further, the overall topology provides step-up AC voltage across the load from a single DC source with fewer p

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10

Ghughuloth, Dhasharatha, Nampally Rajashekar Varma, Donda Adwaith, Shakeer Hussain, Karthik Gundoji, and Harshini Samineni. "Novel cascaded switched-diode five level inverter for renewable energy integration." International Journal of Advances in Applied Sciences 13, no. 2 (2024): 333. http://dx.doi.org/10.11591/ijaas.v13.i2.pp333-339.

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This research presents the usage of a unique five-level cascaded switching diode for medium voltage integration of renewable energy sources. Its primary purpose is to decrease the quantity of gate drivers and switches. In addition to that, the cost and space for the installation of multilevel inverters are less. The inverter topology of novel cascaded multilevel inverters and switched diodes will combine both benefits. One-cycle control (OCC), which is used for clock phase-shifting (CPS) to regulate a two-stage container security device (CSD) multilevel inverter of renewable energy integration

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11

Dhasharatha, Ghughuloth, Rajashekar Varma Nampally, Adwaith Donda, Hussain Shakeer, Gundoji Karthik, and Samineni Harshini. "Novel cascaded switched-diode five level inverter for renewable energy integration." International Journal of Advances in Applied Sciences (IJAAS) 13, no. 2 (2024): 333–39. https://doi.org/10.11591/ijaas.v13.i2.pp333-339.

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This research presents the usage of a unique five-level cascaded switching diode for medium voltage integration of renewable energy sources. Its primary purpose is to decrease the quantity of gate drivers and switches. In addition to that, the cost and space for the installation of multilevel inverters are less. The inverter topology of novel cascaded multilevel inverters and switched diodes will combine both benefits. One-cycle control (OCC), which is used for clock phase-shifting (CPS) to regulate a two-stage container security device (CSD) multilevel inverter of renewable energy integration

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12

Khoun-Jahan, Hossein. "Switched Capacitor Based Cascaded Half-Bridge Multilevel Inverter With Voltage Boosting Feature." CPSS Transactions on Power Electronics and Applications 6, no. 1 (2021): 63–73. http://dx.doi.org/10.24295/cpsstpea.2021.00006.

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Cascaded multilevel inverter (CMI) topology is prevalent in many applications. However, the CMI requires many switches and isolated dc sources, which is the main drawback of this type of inverter. As a result, the volume, cost and complexity of the CMI topology are increased and the efficiency is deteriorated. This paper thus proposes a switched-capacitor-based multilevel inverter topology with half-bridge cells and only one dc source. Compared to the conventional CMI, the proposed inverter uses almost half the number of switches, while maintaining a boosting capability. Additionally, the main

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13

Babaei, Ebrahim, Mohammad Shadnam Zarbil, and Mehran Sabahi. "A New Structure of Quasi Z-Source-Based Cascaded Multilevel Inverter." Journal of Circuits, Systems and Computers 26, no. 12 (2017): 1750203. http://dx.doi.org/10.1142/s0218126617502036.

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In this paper, a new topology for cascaded multilevel inverters based on quasi Z-source converter is proposed. In the proposed topology, the magnitude of output voltage is not limited to dc voltage source, while the magnitude of output voltage of conventional cascaded multilevel inverters is limited to dc voltage source. In the proposed topology, the magnitude of output voltage can be increased by controlling the duty cycle of shoot-through (ST) state, transformer turn ratio, and the number of switched inductors in the Z-source network. As a result, there is no need for extra dc–dc converter.

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14

Najafi, Ehsan, Amir Hosein Rashidi, and Seyed Mohammad Dehghan. "Z-source reversing voltage multilevel inverter for photovoltaic applications with inherent voltage balancing." International Journal of Power Electronics and Drive Systems (IJPEDS) 13, no. 1 (2022): 267. http://dx.doi.org/10.11591/ijpeds.v13.i1.pp267-274.

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Photovoltaic (PV) inverters have been widely used in solar energy to change the direct current (DC) voltage of PV panels to the grid alternating current (AC) voltage. They are comprised of DC-DC section for maximum power point tracking (MPPT) and DC-AC part to provide required output AC voltage. This paper provides a unique configuration that integrates both sections in one part. A Z-source multilevel inverter is proposed based on Z-source networks and reversing voltage (RV) multilevel inverter. The Z-source network can be used to increase the level of the input voltages and MPPT as well. In a

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15

Ahamed Ibrahim, S. A., P. Anbalagan, and M. A. Jagabar Sathik. "A New Asymmetric and Cascaded Switched Diode Multilevel Inverter Topology for Reduced Switches, DC Source and Blocked Voltage on Switches." Journal of Circuits, Systems and Computers 28, no. 04 (2019): 1950064. http://dx.doi.org/10.1142/s0218126619500646.

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In this paper, a new asymmetric switched diode (ASD) multilevel inverter is presented for medium-voltage and high-power applications. The proposed converter consists of series connection basic unit with full-bridge inverter. In addition to this, a cascaded switched diode (CSD) structure is recommended to generate the higher number of voltage levels. Seven different algorithms are presented to determine the magnitudes of DC sources in CSD topology. To prove the advantages of proposed multilevel converter over recent multilevel converters in terms of blocking voltage, numbers of IGBTs and on-sta

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16

DIVYA, T., and R. RAMAPRABHA. "Embedded Switched Z-Source Multilevel Inverter for Grid Interfaced Photovoltaic Systems." Advances in Electrical and Computer Engineering 22, no. 3 (2022): 43–52. http://dx.doi.org/10.4316/aece.2022.03005.

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17

M., Aravindan, Balaji V., Saravanan V., and Arumugam M. "Neutral point clamped quasi Z source inverter for photovoltaic systems." International Journal of Applied Power Engineering 8, no. 3 (2019): 277~286. https://doi.org/10.5281/zenodo.7359098.

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Multilevel inverters are becoming popular for power conversion in renewable energy systems, AC-DC hybrid micro grids etc. The voltage stress and inrush current through these inverter leg switches are quite higher as compared to the load ratings which increase the chances of inverter leg switch failure. A three level neutral point clamped quasi Z source inverter topology is discussed in this paper which has the features of lower component count, reduced capacitor voltage stress, and it can be operated at different control strategies to achieve wide range of voltage boosting ability, suited for

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18

Aravindan, M., V. Balaji, V. Saravanan, and M. Arumugam. "Neutral point clamped quasi Z source inverter for photovoltaic systems." International Journal of Applied Power Engineering (IJAPE) 8, no. 3 (2019): 277. http://dx.doi.org/10.11591/ijape.v8.i3.pp277-286.

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<p>Multilevel inverters are becoming popular for power conversion in renewable energy systems, AC-DC hybrid micro grids etc. The voltage stress and inrush current through these inverter leg switches are quite higher as compared to the load ratings which increase the chances of inverter leg switch failure. A three level neutral point clamped quasi Z source inverter topology is discussed in this paper which has the features of lower component count, reduced capacitor voltage stress, and it can be operated at different control strategies to achieve wide range of voltage boosting ability, su

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19

Khadar, Shaik Abdul, Yassin Mohamed Shuaib, Vijayakumar Arun, Murat Karakilic, and Jammy Ramesh Rahul. "Design and simulation of a double boost switched capacitor multilevel inverter." Indonesian Journal of Electrical Engineering and Computer Science 38, no. 3 (2025): 1450. https://doi.org/10.11591/ijeecs.v38.i3.pp1450-1462.

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<p>This article presents an innovative boost inverter configuration that produces a nine-level double voltage augmentation waveform. A significant drawback of conventional multilevel inverters (MLIs) lies in their dependence on conversion for elevating the voltage, particularly applied in conjunction with renewable energy sources. The proposed methodology, characterized by its double voltage boosting capacity, mitigates this challenge by automatically enhancing the input voltage. Switched-capacitor multilevel inverters (SCMLIs) represent a prevalent category within the realm of MLIs. Thi

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20

Balu, Venkata Sowmya, Vasavi Krishna Duda, and Sowmya Mothukuri. "Switched Capacitor Based Cascaded Half-Bridge Multilevel Inverter with Voltage Boosting Feature." International Journal for Research in Applied Science and Engineering Technology 11, no. 10 (2023): 91–97. http://dx.doi.org/10.22214/ijraset.2023.55891.

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Abstract: In many applications, cascading multilevel inverter (CMI) topologies are common. However, the biggest disadvantage of CMI is the need for many separate switches and DC sources. As a result, the CMI topology becomes more expensive, more complex, and larger, and its performance suffers. In the proposed SC-CHMI, only one DC source is used and the other DC sources are replaced by switched capacitor cells. Thanks to the self-balancing function, the capacitor charging process occurs naturally without the need for any auxiliary equipment. In the proposed SC-CHMI, the inrush current of the c

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21

Law, Kah Haw, Yew Wei Sia, Raymond Choo Wee Chiong, Swee Peng Ang, Kenneth Siok Kiam Yeo, and Sy Yi Sim. "13-Level Single-Source Switched-Capacitor Boost Multilevel Inverter." Energies 18, no. 7 (2025): 1664. https://doi.org/10.3390/en18071664.

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Transformerless inverters (TIs) are becoming increasingly popular in solar photovoltaic (PV) applications due to their enhanced efficiency and cost-effectiveness. Unlike transformer-based inverters, TIs, which lack transformers and additional components, offer significant advantages in terms of reduced weight, compactness, and lower costs. Research studies have demonstrated that multilevel TIs can achieve lower total harmonic distortion (THD), reduced switching stresses, and higher AC output voltage levels suitable for high voltage applications. However, achieving these outcomes simultaneously

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22

Shouvik, Mondal, Manna Nayan, and Ganguly Ayandeep. "Simulation and Analysis of Three Phase 7-level Hybrid Switched Capacitor Unit Based Multi-level Inverter." International Journal of HIT Transaction on ECCN Vol. 7, no. 2A (2021) (2021): 72–80. https://doi.org/10.5281/zenodo.5893209.

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Haldia Institute of Technology,Haldia, W.B., India Numerous industrial applications have begun to require higher power apparatus in recent years. Some medium voltage motor drives and utility applications require medium voltage and megawatt power level. For a medium voltage grid, it is troublesome to connect only one power semiconductor switch directly. As a result, a multilevel power converter structure has been introduced as an alternative in high power and medium voltage situations. A multilevel converter not only achieves high power ratings, but also enables the use of renewable energy sour

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23

Raghuwanshi, Deepa, and Santosh Kumar. "30 LEVEL MULTILEVEL INVERTER WITH TWO SWITCHED CAPACITOR AND REDUCED NUMBER OF SWITCHES." SMART MOVES JOURNAL IJOSCIENCE 5, no. 6 (2019): 9. http://dx.doi.org/10.24113/ijoscience.v5i6.206.

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Multilevel inverters with a large number of steps can generate high quality voltage waveforms, good enough to be considered as suitable voltage source generators. An advanced multilevel inverter topology is proposed to optimize number of bidirectional switches. In this work the an five-level cascade H-bridge Inverter, which uses multicarrier based control structure and two capacitor with 10 switching MOSFETs topology is being presented. Analysis is done for RL and pure resistive load. The PWM strategy reduces the THD and this strategy enhances the fundamental output voltage. The experimental a

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24

PROF., SHUBHANGI S. LANDGE. "A MULTILEVEL INVERTER BASED ON SWITCHED DC SOURCES." IJIERT - International Journal of Innovations in Engineering Research and Technology 3, no. 11 (2016): 18–24. https://doi.org/10.5281/zenodo.1462555.

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<strong>Multilevel voltage - source inverters are the best solution for high power dc - to - ac conversion applications. A multilevel inverter is a linkage structure of multiple input dc levels and power semiconductor devices to get a quasisquare waveform . In addition,the multilevel waveform has less harmonic contents as compared to a two - level waveform obtained from conventional inverters. The quality of the multilevel waveform is improved by increasing the number of levels. But,if number of level increases,a large number of power semiconductor devices and gate driver circuits are also inc

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25

Ehsan, Najafi, Hosein Rashidi Amir, and Mohammad Dehghan Seyed. "Z-source reversing voltage multilevel inverter for photovoltaic applications with inherent voltage balancing." International Journal of Power Electronics and Drive Systems (IJPEDS) 13, no. 1 (2022): 267–74. https://doi.org/10.11591/ijpeds.v13.i1.pp267-274.

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Photovoltaic (PV) inverters have been widely used in solar energy to change the direct current (DC) voltage of PV panels to the grid alternating current (AC) voltage. They are comprised of DC-DC section for maximum power point tracking (MPPT) and DC-AC part to provide required output AC voltage. This paper provides a unique configuration that integrates both sections in one part. A Z-source multilevel inverter is proposed based on Zsource networks and reversing voltage (RV) multilevel inverter. The  Zsource network can be used to increase the level of th

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26

Eswar, Kommoju Naga Durga Veera Sai, Mohan Arun Noyal Doss, Pradeep Vishnuram, et al. "Comprehensive Study on Reduced DC Source Count: Multilevel Inverters and Its Design Topologies." Energies 16, no. 1 (2022): 18. http://dx.doi.org/10.3390/en16010018.

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Due to cutting-edge innovations in industry and academia, research is more centered around multilevel inverters (MLIs), which play a significant role in different high/medium voltage and high-power applications when contrasted with traditional inverters. Relative analysis of the reduced DC source count and switch inverter topologies highlight its significant benefits, which include control complexity, switch count, source count, reliability, efficiency, cost, voltage stress, total harmonic distortion (THD), and power quality. When switched-capacitor technology is deployed, it is seen that with

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27

Meenalochani, K., B. Shanthi, C. R.Balamurugan, and G. Prem sunder. "Performance analysis on bipolar PWM strategies for single phase quasi-Z-source fed seven level modified cascaded H-bridge inverter with asymmetric switched-inductor cell." International Journal of Engineering & Technology 7, no. 2.8 (2018): 583. http://dx.doi.org/10.14419/ijet.v7i2.8.10525.

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Multilevel inverters are adopted for high power applications due to its lower harmonic distortion and reduced device voltage stress which also permit to use the renewable energy resources effectively. This paper presents performance study of various PWM strategies for single phase Quasi-Z-source fed seven level Modified Cascaded H-Bridge Inverter with asymmetric switched-inductor cell. Simulation using MATLAB-SIMULINK is performed with bipolar multi-carrier PD, APOD, POD PWM techniques with sine wave reference and trapezoidal reference for the chosen Quasi-Z-source modified CHB MLI. This paper

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28

Kumar, K. Sheshu, V. Bharath, and Shankar B. "Multilevel Inverter Based on Resonant Switched Capacitor Converter." International Journal of Advance Research and Innovation 2, no. 1 (2014): 46–52. http://dx.doi.org/10.51976/ijari.211407.

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Multilevel inverters are mainly used in high power and medium voltage applications to reduce the required voltage rating of the power semiconductor switching devices. On the other hands, these multilevel inverters are attractive for various applications regardless of the power ratings because they can essentially realize lower harmonics with lower switching frequency and lower electromagnetic interference (EMI). In this context, the multilevel inverters with larger number of levels suitable for circuit integration are actively investigated. Diode -clamped multilevel inverters are regarded as t

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29

Banaei, M. R., R. Alizadeh, H. Khounjahan, E. Salary, and A. R. Dehghanzadeh. "Z-source-based multilevel inverter with reduction of switches." IET Power Electronics 5, no. 3 (2012): 385–92. http://dx.doi.org/10.1049/iet-pel.2011.0198.

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30

Krishnakumar, V., P. Anbarasan, K. Ramash Kumar, and M. Venmathi. "Novel Switched Configuration-Based Multilevel Inverter Topology for Industrial Applications." Journal of Electrical and Computer Engineering 2022 (November 21, 2022): 1–12. http://dx.doi.org/10.1155/2022/8743334.

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Multilevel inverters proved its capabilities nowadays operating in the symmetrical and asymmetrical source of voltages to bring output voltage nearly to a sinusoid. Several variations in topological strategies put forth better output quality with lesser harmonic distortion. However, it suffers from several issues predominantly such as more number of devices, higher blocking voltage, and power loss for higher voltage levels. This paper forays a fresh topology on switched configuration multilevel inverters with optimum dc sources, switches, voltage level, and filter requirements. The proposed to

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31

M., Aravindan, Balaji V., V. Saravanan, and M. Arumugam. "Neutral point clamped quasiZ source inverter for photovoltaic systems." International Journal of Applied Power Engineering 8, no. 3 (2019): 277–86. https://doi.org/10.11591/ijape.v8.i3.pp277-286.

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Multilevel inverters are becoming popular for power conversion in renewable energy systems, AC-DC hybrid micro grids etc. The voltage stress and inrush current through these inverter leg switches are quite higher as compared to the load ratings which increase the chances of inverter leg switch failure. A three level neutral point clamped quasi Z source inverter topology is discussed in this paper which has the features of lower component count, reduced capacitor voltage stress, and it can be operated at different control strategies to achieve wide range of voltage boosting ability, suited for

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32

Mustafa, Safwan, Adil Sarwar, Mohd Tariq, Shafiq Ahmad, and Haitham A. Mahmoud. "Development and Control of a Switched Capacitor Multilevel Inverter." Energies 16, no. 11 (2023): 4269. http://dx.doi.org/10.3390/en16114269.

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This article offers a novel boost inverter construction with a Nine-level quadruple voltage boosting waveform. The primary drawback of conventional MLI is the need for a high voltage DC-DC converter to increase the voltage when using renewable energy sources. Consequently, the developed method, complete with a quadruple voltage boost ability, can alleviate that shortcoming by automatically increased the incoming voltage. A single DC source, two switching capacitors, and eleven switches are all that are used in the newly presented architecture. The voltage of the capacitor automatically balance

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33

Periyanayagam, Madasamy, Suresh Kumar V, Bharatiraja Chokkalingam, Sanjeevikumar Padmanaban, Lucian Mihet-Popa, and Yusuff Adedayo. "A Modified High Voltage Gain Quasi-Impedance Source Coupled Inductor Multilevel Inverter for Photovoltaic Application." Energies 13, no. 4 (2020): 874. http://dx.doi.org/10.3390/en13040874.

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The quasi-impedance source inverters/quasi-Z source inverters (Q-ZSIs) have shown improvement to overwhelmed shortcomings of regular voltage-source inverters (VSIs) and current-source inverters (CSIs) in terms of efficiency and buck-boost type operations. The Q-ZSIs encapsulated several significant merits against conventional ZSIs, i.e., realized buck/boost, inversion and power conditioning in a single power stage with improved reliability. The conventional inverters have two major problems; voltage harmonics and boosting capability, which make it impossible to prefer for renewable generation

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34

Kakar, Saifullah, S. M. Ayob, M. Saad Bin Arif, N. M. Nordin, Z. Daud, and R. Ayop. "A new multilevel inverter topology based on switched-capacitor technique." International Journal of Power Electronics and Drive Systems (IJPEDS) 12, no. 1 (2021): 627. http://dx.doi.org/10.11591/ijpeds.v12.i1.pp627-636.

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This paper presents a new multilevel inverter based on the switched-capacitor technique. The topology aims for renewable energy and fuel cell applications that demand high magnitude output ac voltage. This configuration of the inverter can produce a total of thirteen voltage levels using a single DC source. The topology features voltage boosting with a triple gain of the input voltage source without utilizing a boost DC-DC converter. Furthermore, the voltages of the capacitors are self-balanced at any desired voltage level during each cycle. Therefore, auxiliary circuits are no longer needed.

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35

Nalli, Praveen Kumar, Kalyan Sagar Kadali, Ramu Bhukya, V. Rajeswari, and Durga Prasad Garapati. "Experimental Validation for A Nine-Switched 3-phase Multilevel Inverter (MLI) With a Photovoltaic (PV) Source of Array." Journal of Physics: Conference Series 2089, no. 1 (2021): 012021. http://dx.doi.org/10.1088/1742-6596/2089/1/012021.

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Abstract Now-a-days Usage of Multilevel Inverters application is very wide in the industrial applications. Keeping in view of industrial applications, a multi-level inverter with a solar PV array is designed in this paper to deliver power to the Alternating Current based load. A step-up converter is used at the input side of the three-phase multilevel inverter, which delivers the energy for the three-phase load, to regulate the output voltage of the solar Photovoltaic panel. The multilevel inverter utilizes 9 switching devices with five level sources in accordance to the usage of the level of

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Fahad, Mohammad, Mohd Tariq, Mohammad Faizan, et al. "A Dual Source Switched-Capacitor Multilevel Inverter with Reduced Device Count." Electronics 11, no. 1 (2021): 67. http://dx.doi.org/10.3390/electronics11010067.

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Implementing voltage boost multilevel inverter topologies for PV and fuel cell energy sources is highly advantageous. Switched-capacitor multilevel inverters (SCMLI) have a step-up feature with low device requirements and can remove the need for high gain dc-dc converters leading to reduced overall system bulk. This work proposes a dual input SCMLI to achieve an output of nineteen levels while using a low number of components and high boosting factor and self-balancing of capacitor voltages. A comprehensive analysis of the proposed structure is presented, focusing on component requirements, co

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Hussan, Md Reyaz, Adil Sarwar, Irfan Khan, Mohd Tariq, Mohammad Tayyab, and Waleed Alhosaini. "An Eleven-Level Switched-Capacitor Inverter with Boosting Capability." Electronics 10, no. 18 (2021): 2262. http://dx.doi.org/10.3390/electronics10182262.

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An 11-level switched-capacitor multilevel inverter (SCMLI) with 2.5 times boosting feature is presented in this paper. It can produce an 11-level output voltage waveform by utilizing 14 switches, 3 capacitors, 2 diodes, and 1 DC source. Only nine driver circuits are needed as the topology has three pairs of complementary switches and two bidirectional switches. It has inherent capacitor self-balancing property as the capacitors are connected across the DC voltage source during several states within a fundamental cycle to charge the capacitors to the input voltage. A detailed comparison shows t

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K., M. Venkatachalam, Saravanan V., A. K. Borelessa M., and T. M.U. Hemapala K. "Single phase seven level Z-source cascaded H-bridge inverter for photovoltaic systems." International Journal of Advances in Applied Sciences (IJAAS) 10, no. 1 (2021): 60–69. https://doi.org/10.11591/ijaas.v10.i1.pp60-69.

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The Multilevel inverter (MLI) is identified as a viable power electronic unit for distributed energy conversion applications. In this paper discusses the performance of single phase seven level Z (impedance) source cascaded H-bridge inverter topology suited for solar photovoltaic systems. A modified sinusoidal pulse width modulation technique is used to control the switches of the H-bridge inverter. The simulation results are obtained interms of inverter output voltage and harmonic analysis confirm improvement in voltage boost and reduction in harmonic distortion of the suggested inverter topo

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Venkatachalam, K. M., V. Saravanan, M. A. K. Borelessa, and K. T. M. U. Hemapala. "Single phase seven level Z-source cascaded H-bridge inverter for photovoltaic systems." International Journal of Advances in Applied Sciences 10, no. 1 (2021): 60. http://dx.doi.org/10.11591/ijaas.v10.i1.pp60-69.

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<p>The Multilevel inverter (MLI) is identified as a viable power electronic unit for distributed energy conversion applications. In this paper discusses the performance of single phase seven level Z (impedance) source cascaded H-bridge inverter topology suited for solar photovoltaic systems. A modified sinusoidal pulse width modulation technique is used to control the switches of the H-bridge inverter. The simulation results are obtained interms of inverter output voltage and harmonic analysis confirm improvement in voltage boost and reduction in harmonic distortion of the suggested inve

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Niltala, Sai Shanmukha Akshath, Naresh Avugaddi, Nikesh kumar Matcha, Barman Mayur, Nandan Durgesh, and Abhilash Tripuathi. "Analysis and simulation of even-level quasi-Z-source inverter." International Journal of Electrical and Computer Engineering (IJECE) 12, no. 4 (2022): 3477–84. https://doi.org/10.11591/ijece.v12i4.pp3477-3484.

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This research proposes a seven-level inverter with quasi-Z-source boost converters. The proposed topology employs a packed U-cell asymmetrical type multilevel inverter along with front-end quasi-Z-source networks. The quasi networks provide high gain compared to a conventional boost converter. This topology is the most suitable for photovoltaic multi-string applications. The proposed topology has the potential to supply both the alternating current (AC) and direct current (DC) type load. The inverter structure has a lower number of active switches which helps in the reduction of losses and imp

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V, Raghavendra Rajan, and Premalatha L. "Design and Experimental Investigation of Modified Switched Coupled Inductor Quasi Z-Source Cascaded Multilevel Inverter." GAZI UNIVERSITY JOURNAL OF SCIENCE 33, no. 2 (2020): 365–79. http://dx.doi.org/10.35378/gujs.559127.

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Sankar, Deepa, and C. A. Babu. "Design and analysis of a novel quasi Z source based asymmetric multilevel inverter for PV applications." International Journal of Power Electronics and Drive Systems (IJPEDS) 11, no. 3 (2020): 1368. http://dx.doi.org/10.11591/ijpeds.v11.i3.pp1368-1378.

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A novel Quasi Z source (QZS) based Asymmetric Multilevel Inverter for Photovoltaic application is proposed in this paper. It consists of an Impedance source-based dc-dc converter and Asymmetric Multilevel Inverter (AMLI). QZS network can buck/boost the input DC voltage eliminating separate DC-DC boost converter. MLI topology with reduced switches and DC input provide high quality output with large levels. DC input magnitude of the inverter is based on an algorithm. The system ensures high voltage gain, low switching stress, lessened gate circuitry, high reliability and better harmonic profile.

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Design, and analysis of a. novel quasi Z. source based asymmetric multilevel inverter for PV applications, and A. Babu C. "Design and analysis of a novel quasi Z source based asymmetric multilevel inverter for PV applications." International Journal of Power Electronics and Drive System (IJPEDS) 11, no. 3 (2020): 1368–78. https://doi.org/10.11591/ijpeds.v11.i3.pp1368-1378.

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A novel Quasi Z source (QZS) based Asymmetric Multilevel Inverter for Photovoltaic application is proposed in this paper. It consists of an Impedance source-based dc-dc converter and Asymmetric Multilevel Inverter (AMLI). QZS network can buck/boost the input DC voltage eliminating separate DC-DC boost converter. MLI topology with reduced switches and DC input provide high quality output with large levels. DC input magnitude of the inverter is based on an algorithm. The system ensures high voltage gain, low switching stress, lessened gate circuitry, high reliability and better harmonic profile.

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Saifullah, Kakar, M. Ayob S., Saad Arif M., Nordin N.M., Daud Z., and Ayop R. "A new multilevel inverter topology based on switched-capacitor technique." International Journal of Power Electronics and Drive System (IJPEDS) 12, no. 1 (2021): 627–36. https://doi.org/10.11591/ijpeds.v12.i1.pp627-636.

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This paper presents a new multilevel inverter based on the switchedcapacitor technique. The topology aims for renewable energy and fuel cell applications that demand high magnitude output ac voltage. This configuration of the inverter can produce a total of thirteen voltage levels using a single DC source. The topology features voltage boosting with a triple gain of the input voltage source without utilizing a boost DC-DC converter. Furthermore, the voltages of the capacitors are self-balanced at any desired voltage level during each cycle. Therefore, auxiliary circuits are no longer needed. A

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Gopal, Yatindra, Yarrem Narasimhulu Vijaya Kumar, Akanksha Kumari, Om Prakash, Subrata Chowdhury, and Abdullah A. Almehizia. "Reduced Device Count for Self Balancing Switched-Capacitor Multilevel Inverter Integration with Renewable Energy Source." Sustainability 15, no. 10 (2023): 8000. http://dx.doi.org/10.3390/su15108000.

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In this study, a new switched-capacitor-based seven-level inverter topology with a photovoltaic system is presented. The proposed topology requires a smaller number of devices and has the ability to self-balance the voltage across the capacitor. The proposed topology configuration is simple and has the ability to extend to higher levels of voltage. This multilevel inverter topology is suitable for low- and medium-voltage applications with photovoltaic (PV) system integration. To improve the PV system efficiency as an input of a DC–DC boost converter, a Fuzzy logic-based maximum power point con

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Aqeel Anwar, Muhammad, Ghulam Abbas, Irfan Khan, Ahmed Bilal Awan, Umar Farooq, and Saad Saleem Khan. "An Impedance Network-Based Three Level Quasi Neutral Point Clamped Inverter with High Voltage Gain." Energies 13, no. 5 (2020): 1261. http://dx.doi.org/10.3390/en13051261.

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Due to the impediments of voltage source inverter and current source inverter, Z-Source Inverter (ZSI) has become notorious for better power quality in low and medium power applications. Several modifications are proposed for impedance source in the form of Quasi Z-Source Inverter (QZSI) and Neutral Point Clamped Z-Source Inverter (NPCZSI). However, due to the discontinuity of the source current, NPCZSI is not suitable for some applications, i.e., fuel cell, UPS, and hybrid electric vehicles. Although in later advancements, source current becomes continuous in multilevel QZSI, low voltage gain

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Jena, Kasinath, Dhananjay Kumar, B. Hemanth Kumar, et al. "A Single DC Source Generalized Switched Capacitors Multilevel Inverter with Minimal Component Count." International Transactions on Electrical Energy Systems 2023 (June 3, 2023): 1–12. http://dx.doi.org/10.1155/2023/3945160.

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This paper presents a new single-source switched capacitor- (SC-) based multilevel inverter (MLI) design with a boosting potential of three times the supply voltage. To produce a waveform with seven output voltage levels, the suggested switching capacitor inverter consists of eight switches, single diode, and two capacitors. Because capacitors are inherently balanced, there is no need for a balancing circuit or sensor. The structure can be expanded using the provided generalized equations. In addition, the technique for switching control and loss analyses is explored. A fair comparison with th

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Palleswari, Y. T. R., A. Siva, K. Kalyan Sagar, B. Ramu, Mamatha Deenakonda, and V. V. Vijetha Inti. "11-Level Cascaded half-bridge Multilevel inverter with Capacitor Switched Technology for Photovoltaic Systems." IOP Conference Series: Earth and Environmental Science 1375, no. 1 (2024): 012027. http://dx.doi.org/10.1088/1755-1315/1375/1/012027.

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Abstract Power generation through PV is a promising alternative energy source for meeting power demand as it is environmentally friendly, abundantly available, and has alternative characteristics. In power generation through photovoltaic, multilevel inverters are vital in the conversion of power. The primary objective of this paper is analysing the cascaded half-bridge multilevel inverter (CHMLI) at different load conditions. The secondary objective of this paper aims to implement the CHMLI for a photovoltaic system and to observe the proposed system can able to export the generated PV power t

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Jammy, Ramesh Rahul, and Kirubakaran Annamalai. "Multistring seven-level quasi Z-source based asymmetrical inverter." Indonesian Journal of Electrical Engineering and Computer Science 15, no. 1 (2019): 88. http://dx.doi.org/10.11591/ijeecs.v15.i1.pp88-94.

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In this paper, a single-phase multistring <strong>seven-level Quasi-</strong>Z-source based Asymmetrical Inverter suitable for grid-connected photovoltaic (PV) system is presented.<strong> </strong>This topology is <strong>an upgrade of quasi-</strong>Z-source dc-dc (qZs) network and Asymmetrical multilevel inverter (AMLI). The AMLI generates higher number of levels with reduced switch count and number of sources when compared to symmetrical cascaded based MLI. The qZs network acts as an intermediate stage between the low-voltage PV array and AMLI, to enhanc

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Anand, Vishal, Varsha Singh, M. Jagabar Sathik, and Dhafer Almakhles. "A Generalized Switched-Capacitor Multilevel Inverter Topology with Voltage Boosting Ability and Reduced Inrush Current." Energies 15, no. 23 (2022): 9158. http://dx.doi.org/10.3390/en15239158.

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This article presents a novel quadruple boost inverter (QBI) with an integrated boost stage that comprises an inductor, a capacitor, a switch, and an input source. The inductor on the input side limits the inrush current and also the capacitor charging current ripples. The QBI topology comprises a dc source, an input inductor, nine switches, three diodes, and capacitors. This produces a nine-level waveform, which reduces the need for additional filters such as inductors and capacitors. The proposed QBI is elementary, compact, and needs fewer components than existing nine levels inverter. Compa

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