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1

V.V, Kamal, Akhil Ahammed KE, and Unnikrishnan P. "Switched Inductor Z Source Inverters for High Boost Applications." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 07, no. 09 (2023): 1–11. http://dx.doi.org/10.55041/ijsrem25831.

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Abstract—This paper analyses a different configuration for the classical Z-Source Inverters (ZSI) which is named as Switched Inductor Z-Source Inverters (SL-ZSI) through simulation results. This configuration uses a unique impedance network that helps in the voltage adjustability. Comparing with the ordinary Z-source inverter, the new configuration provides more voltage inversion ability and enhances the output power quality of the main circuit considerably. The various applications of this configuration include DC-AC, AC-AC, DC-DC and AC-DC power conversions. Index Terms—Inverter, voltage sou
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2

Manish, Bharat, Murty ASR, and Dash Ritesh. "Design and analysis of trans Z-source inverter for electric vehicle applications using neural network-clustering." Bulletin of Electrical Engineering and Informatics 12, no. 3 (2023): 1783~1796. https://doi.org/10.11591/eei.v12i3.4818.

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The presented paper analyzes the detailed design of a trans Z-source inverter (ZSI) with an input from solar photovoltaic (SPV) system. Increase in SPV uses requires highly efficient SPV enabled inverters under varying weather parameters are in high demand in modern smart grid applications. The SPVtrans ZSI has high conversion efficiency because of the single-stage voltage boost conversion capability. In contradiction, the conventional voltage source inverter (VSI) requires an additional step-up transformer to boost the output voltage of inverter. This reduces the efficiency by increasing the
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3

Yuan, Jing, Yongheng Yang, Ping Liu, Yanfeng Shen, and Frede Blaabjerg. "Modified Impedance-Source Inverter with Continuous Input Currents and Fault-Tolerant Operations." Energies 13, no. 13 (2020): 3408. http://dx.doi.org/10.3390/en13133408.

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Impedance-source (Z-source) inverters are increasingly adopted in practice, where a high voltage gain is required. However, issues like drawing a non-continuous current from the DC source and ceasing the energy supply under DC source faults are also observed. In this paper, an embedded enhanced-boost Z-source inverter (EEB-ZSI) is thus proposed to tackle the issues. The proposed EEB-ZSI employs two DC sources, which enable the continuous input current and fault-tolerant operations (e.g., open-circuit and short-circuit faults in the DC sources). The operational principles are presented in detai
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4

Subahan, G. M., G. Surendra Reddy, Y. Veera Reddy, G. Sudheer Reddy, G. Vishnu, and M. Srinivasulu. "PMSG Wind Energy Conversion Systems ZSI." International Journal for Research in Applied Science and Engineering Technology 11, no. 3 (2023): 1708–17. http://dx.doi.org/10.22214/ijraset.2023.49534.

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Abstract: Recently Permanent Magnet Synchronous Generator are mostly used in the Wind Energy Conversion System applications This work is clearly deal with the study of Wind Energy Conversion System WECS by way of Permanent Magnet Synchronous Generator PMSG with Z Source Inverters. The PMSGs and wind turbines are gradually entered in the field of power generation huge wind farms are used at constant voltage and frequency to increase capacity power supply Particularly Permanent Magnet Synchronous Generators is used in this machinery due to special characteristics such as low weight volume and hi
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5

Wang, Baocheng, and Wei Tang. "A New CUK-Based Z-Source Inverter." Electronics 7, no. 11 (2018): 313. http://dx.doi.org/10.3390/electronics7110313.

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This paper proposes a new three-switch single-phase Z-source inverter (ZSI) based on a CUK converter, which is named a CUK-based ZSI. This topology has characteristics of buck‒boost capability and dual grounding. In addition, the voltage gain of proposed inverter is higher than those of the single-phase quasi-Z-source and semi-Z-source inverters. Aside from that, a simple control method is presented to achieve the linear voltage gain. The operational principle of the proposed topology is described. Finally, a performance evaluation is carried out and the test results verify the effectiveness o
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6

Zakerian, Ali, and Daryoosh Nazarpour. "New Hybrid Structure Based on Improved Switched Inductor Z-Source and Parallel Inverters for Renewable Energy Systems." International Journal of Power Electronics and Drive Systems (IJPEDS) 6, no. 3 (2015): 636. http://dx.doi.org/10.11591/ijpeds.v6.i3.pp636-647.

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Nowadays, more and more distributed generations and renewable energy sources, such as wind, solar and tidal power, are connected to the public grid by the means of power inverters. They often form microgrids before being connected to the public grid. Due to the availability of high current power electronic devices, it is inevitable to use several inverters in parallel for high-power and/or low-cost applications. So, inverters should be connected in parallel to provide system redundancy and high reliability, which are important for critical customers. In this paper, the modeling, designing and
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7

Sangari, Arasakumar, and R. Umamaheswari. "Analysis of Impedance Source Inverter Topologies for Grid integration of PV inverters." International Journal of Power Electronics and Drive Systems (IJPEDS) 6, no. 4 (2015): 797. http://dx.doi.org/10.11591/ijpeds.v6.i4.pp797-807.

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In this paper, the performance of different Impedance Source Inverter (ZSI) topologies in implementing single stage power conversion for grid ingetertion of PV power converters <del cite="mailto:QP%20Council" datetime="2015-08-11T09:53"> </del>is discussed.Unlike the traditional inverters, ZSI employs a distinctive impedance network, thereby making shoot-through state is possible. The independent control variables are shoot-through duty ratio and modulation index. Simple Boost Control pulse width modulation technique was used in this work to vary the modulation index. Here the basi
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8

Kalaiarasi, N., A. Sivapriya, Pradeep Vishnuram, et al. "Performance Evaluation of Various Z-Source Inverter Topologies for PV Applications Using AI-Based MPPT Techniques." International Transactions on Electrical Energy Systems 2023 (September 27, 2023): 1–16. http://dx.doi.org/10.1155/2023/1134633.

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Recent research has been focussed on renewable energy due to the rising need for electrical energy. Renewable energy has a low environmental impact compared to other energy sources. As a result, renewable energy sources (RESs) are the best option for generating electricity. Solar photovoltaic is one of the largest renewable power generators. Solar photovoltaic (PV) is connected to the load via power electronic converters. Most PV installations need a two-stage conversion process consisting of a boost converter to increase the load voltage and an AC-to-DC voltage source inverter to power the lo
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9

Bharat, Manish, ASR Murty, and Ritesh Dash. "Design and analysis of trans Z-source inverter for electric vehicle applications using neural network-clustering." Bulletin of Electrical Engineering and Informatics 12, no. 3 (2023): 1783–96. http://dx.doi.org/10.11591/eei.v12i3.4818.

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The presented paper analyzes the detailed design of a trans Z-source inverter (ZSI) with an input from solar photovoltaic (SPV) system. Increase in SPV uses requires highly efficient SPV enabled inverters under varying weather parameters are in high demand in modern smart grid applications. The SPV-trans ZSI has high conversion efficiency because of the single-stage voltage boost conversion capability. In contradiction, the conventional voltage source inverter (VSI) requires an additional step-up transformer to boost the output voltage of inverter. This reduces the efficiency by increasing the
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10

Roomi, Muhammad M. "An Overview of Carrier-based Modulation Methods for Z-Source Inverter." Power Electronics and Drives 4, no. 1 (2019): 15–31. http://dx.doi.org/10.2478/pead-2019-0007.

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AbstractSingle-stage energy converters, in particular, the Z-Source Inverter (ZSI) or impedance source inverter, has gained significant attention in the recent years. ZSI ensures flexible energy conversions (dc–dc, dc–ac, ac–ac and ac–dc) because of its unique ability to boost the output voltage in typical renewable energy systems. The impedance network integrated between the energy source and the load contributes to the unique functionality of the ZSI. As substantial research has been conducted on the ZSI, this article provides a review on the operation of ZSI. The article initially examines
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11

Shunmugakani, P., and D. Kirubakaran. "Simulation and Implementation of Quasi-Z-Source Based Single-stage Buck/boost Inverter Fed Induction Motor." International Journal of Power Electronics and Drive Systems (IJPEDS) 7, no. 3 (2016): 908. http://dx.doi.org/10.11591/ijpeds.v7.i3.pp908-914.

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Renewable power systems as distributed generation units often experience big changes in the inverter input voltage due to fluctuations of energy resources. Z-source inverter (ZSI) is known as a single-stage buck/boost inverter. The ZSI achieves voltage buck/boost in single stage, without additional switches. Triggering on state enables energy to be stored in inductors, which is released when at non-shoot-through state, followed by the voltage boost feature. The voltage-fed Z-source inverter/quasi-Z-source inverter (QZSI) has been presented suitable for photovoltaic (PV) applications mainly bec
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12

Wang, Baocheng, and Wei Tang. "A Novel Three-Switch Z-Source SEPIC Inverter." Electronics 8, no. 2 (2019): 247. http://dx.doi.org/10.3390/electronics8020247.

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In this paper, a novel single-phase transformerless Z-source inverter (ZSI) derived from the basic SEPIC topology, which is named SEPIC-based ZSI, is proposed. The negative end of the input DC voltage of this topology is directly connected to the load and grounded, which can completely eliminate leakage current. Furthermore, this topology has some attractive characteristics such as buck–boost capability, impressive voltage gain, linear voltage gain is realized by a simple control method, and so on. The theoretical design and simulation results are demonstrated by corresponding experiments carr
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13

Bharathi, Rao, and Satyendra Kumar M. "Reliability analysis of single phase quazi Z source inverter for standalone photovoltaic system." Bulletin of Electrical Engineering and Informatics 11, no. 6 (2022): 3023~3032. https://doi.org/10.11591/eei.v11i6.4101.

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Quazi Z source inverter has an advantage that it can boost or buck voltage to be given to an inverter. Operation of a QZSI is similar to a Z source inverter (ZSI). A conventional photovoltaic application uses a two-stage topology of boost converter and an inverter. A QZSI can be replaced for a two-stage topology to serve the purpose. A 3 KW single phase QZSI is designed and simulated for a standalone photovoltaic system in this paper. The results for total harmonic distortion (THD) of output voltage and mean time between failure (MTBF) of the overall system is compared with a conventional ZSI
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14

Mande, Daouda, João Pedro F. Trovão, Minh C. Ta, and Thang Van Do. "Dual-Source Bidirectional Quasi-Z-Source Inverter Development for Off-Road Electric Vehicles." World Electric Vehicle Journal 13, no. 9 (2022): 174. http://dx.doi.org/10.3390/wevj13090174.

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In this paper, a battery pack and a supercapacitor bank hybrid energy storage system (HESS) with a new control configuration is proposed for electric vehicles (EVs). A bidirectional quasi-Z-source inverter (Bq-ZSI) and a bidirectional DC-DC converter are used in the powertrain of the EV. The scheme of the control for the proposed HESS Bq-ZSI using finite control set model predictive control (FCS-MPC) is first deduced to enhance the dynamic performance. With the idea of managing battery degradation mitigation, the fractional-order PI (FOPI) controller is then applied and associated with a filte
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15

Shunmugakani, P., and D. Kirubakaran. "Simulation and Implementation of Quasi-Z-Source Based Single-stage Buck/boost Inverter Fed Induction Motor." International Journal of Power Electronics and Drive Systems (IJPEDS) 7, no. 2 (2016): 369. http://dx.doi.org/10.11591/ijpeds.v7.i2.pp369-378.

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<p>Renewable power systems as distributed generation units often experience big changes in the inverter input voltage due to fluctuations of energy resources. Z-source inverter (ZSI) is known as a single-stage buck/boost inverter. The ZSI achieves voltage buck/boost in single stage, without additional switches. Triggering on state enables energy to be stored in inductors, which is released when at non-shoot-through state, followed by the voltage boost feature. The voltage-fed Z-source inverter/quasi-Z-source inverter (QZSI) have been presented suitable for photovoltaic (PV) applications
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16

Shwetha, S. Baligar, S. Kukanur Chandrika, and Krishna Jambotkar Chaitanya. "Feasibility Study of Modified Quasi Z Source Inverter for Solar PV Technology." International Journal of Trend in Scientific Research and Development 2, no. 6 (2018): 1327–31. https://doi.org/10.31142/ijtsrd18839.

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In recent years, Photovoltaic PV power generation systems have always been considered as an alternative energy source that can lighten the rapid consumption of fossil fuels. The current developments in the photovoltaic materials and power converters has emerged this as promising technology. A PV inverter is widely used to convert the photovoltaic energy into electrical energy as most of the demands are in AC voltage, either for local loads or supplied into the grid. Power converter topologies employed in the PV power generation systems are mainly characterized by single or multi stage inverter
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17

V. Sant, Amit, and Kapil P. N. "Impact of Variation in Switching Frequency and Modulation Index on Z-Source Inverter Input Current." Journal of Advanced Research in Applied Sciences and Engineering Technology 57, no. 2 (2024): 174–83. https://doi.org/10.37934/araset.57.2.174183.

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Many inverter topologies are used for industrial automation, electric vehicle charging stations, and grid integration for renewable energy. Of the different inverter configurations, the Z-Source Inverter (ZSI) receives attention in grid integration of battery and photovoltaic panels. This is due to the unique feature of ZSI, which allows for voltage boost operation in addition to the traditional dc-ac conversion. The power structure of ZSI includes an impedance network interfaced between the input dc source and the 3-leg inverter. Switching frequency and input dc-link voltage have an impact on
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18

Mande, Daouda, João Pedro Trovão, and Minh Cao Ta. "Comprehensive Review on Main Topologies of Impedance Source Inverter Used in Electric Vehicle Applications." World Electric Vehicle Journal 11, no. 2 (2020): 37. http://dx.doi.org/10.3390/wevj11020037.

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Power electronics play a fundamental role for electric transportation, renewable energy conversion and many other industrial applications. They have the ability to help achieve high efficiency and performance in power systems. However, traditional inverters such as voltage source and current source inverters present some limitations. Consequently, many research efforts have been focused on developing new power electronics converters suitable for many applications. Compared with the conventional two-stage inverter, Z-source inverter (ZSI) is a single-stage converter with lower design cost and h
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19

Anuradha, Chandrasekar, Rathinam Anantha Raman, Ganesan Arunsankar, et al. "Interlined dynamic voltage restorer using time-domain methodologies with Z-source inverter/voltage source inverter." Indonesian Journal of Electrical Engineering and Computer Science 36, no. 1 (2024): 15. http://dx.doi.org/10.11591/ijeecs.v36.i1.pp15-25.

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Electronic devices and loads are very sensitive to the voltage disturbances like voltage sag and voltage swell. Significant financial losses and safety issues may emerge from voltage sags and interruptions, which can be caused by variables such as system breakdowns and load changes. In order to protect against voltage fluctuations and keep vital loads running, dynamic voltage restorers (DVRs) have become more popular. To mitigate the voltage disturbances, an interlined DVR (IDVR) using a Z-source inverter (ZSI) is developed to protect the sensitive devices and loads. Back-to-back DVR connects
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20

Chandrasekar, Anuradha Rathinam Anantha Raman Ganesan Arunsankar Maharajan Robinson Joel Pitchamuthu Sathyanathan Hanumaji Kantari Subbiah Murugan. "Interlined dynamic voltage restorer using time-domain methodologies with Z-source inverter/voltage source inverter." Indonesian Journal of Electrical Engineering and Computer Science 36, no. 1 (2024): 15–25. https://doi.org/10.11591/ijeecs.v36.i1.pp15-25.

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Electronic devices and loads are very sensitive to the voltage disturbances like voltage sag and voltage swell. Significant financial losses and safety issues may emerge from voltage sags and interruptions, which can be caused by variables such as system breakdowns and load changes. In order to protect against voltage fluctuations and keep vital loads running, dynamic voltage restorers (DVRs) have become more popular. To mitigate the voltage disturbances, an interlined DVR (IDVR) using a Z-source inverter (ZSI) is developed to protect the sensitive devices and loads. Back-to-back DVR connects
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21

Ariefianto, Rizki Mendung, Rizky Ajie Aprilianto, Heri Suryoatmojo, and Suwito Suwito. "Design and Implementation of Z-Source Inverter by Simple Boost Control Technique for Laboratory Scale Micro-Hydro Power Plant Application." Jurnal Teknik Elektro 13, no. 2 (2021): 62–70. http://dx.doi.org/10.15294/jte.v13i2.31884.

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In a power plant such as micro-hydropower (MHP), an induction generator (IG) is usually employed to produce electrical power. Therefore, an inverter is needed to deliver it with high efficiency. Z-source inverter (ZSI) has been introduced as a topology with many advantages over conventional inverters. This research aims to investigate the performance of ZSI based simple boost control (SBC) in laboratory-scale MHP systems using a rewinding induction generator. This research has been conducted both from simulations and experiments. Based on the result, the waveform characteristic and value of ZS
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22

Rao, Bharathi, and M. Satyendra Kumar. "Reliability analysis of single phase quazi Z source inverter for standalone photovoltaic system." Bulletin of Electrical Engineering and Informatics 11, no. 6 (2022): 3023–32. http://dx.doi.org/10.11591/eei.v11i6.4101.

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Quazi Z source inverter has an advantage that it can boost or buck voltage to be given to an inverter. Operation of a QZSI is similar to a Z source inverter (ZSI). A conventional photovoltaic application uses a two-stage topology of boost converter and an inverter. A QZSI can be replaced for a two-stage topology to serve the purpose. A 3 KW single phase QZSI is designed and simulated for a standalone photovoltaic system in this paper. The results for total harmonic distortion (THD) of output voltage and mean time between failure (MTBF) of the overall system is compared with a conventional ZSI
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23

Akrami, Amin, Mohsen Gitizadeh, Majid Nayeripour, and Mohammad Ghaderi. "Double Carrier Pulse width Modulation Control for a Quasi Impedance Source Inverter." Scientific Journal of Riga Technical University. Power and Electrical Engineering 29, no. 1 (2011): 143–46. http://dx.doi.org/10.2478/v10144-011-0024-8.

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Double Carrier Pulse width Modulation Control for a Quasi Impedance Source Inverter The quasi-Z-source inverter (QZSI) is similar to the ZSI. The QZSI has been developed which feature several improvements and no disadvantages when compared to the ZSI. Also Double carrier pulse width modulation control is a new control method for controlling the ZSI and it has a lot of benefit if to compare with other traditional control methods. This paper improved properties of the QZSI by using the double carrier pulse width modulation control. Simulation results will be presented to demonstrate the new feat
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24

Abdelkarim, Ahfouda, Bekakra Youcef, Djaafar Toumi, Ahmed Ibrahim, Laid Zellouma, and Hattiri Messoud. "Shunt active power filter control based on Z-source inverter fed by PV system." International Journal of Power Electronics and Drive Systems (IJPEDS) 15, no. 3 (2024): 1777. http://dx.doi.org/10.11591/ijpeds.v15.i3.pp1777-1787.

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In this paper, an integration of a Z-source inverter (ZSI)-based shunt active power filter (SAPF) fed by a photovoltaic (PV) system for the enhancement of power quality is proposed. The ZSI provides substantial advantages including improved boost functionality, reduced harmonics, and superior performance compared to traditional inverters. In this paper, the SAPF control is based on instantaneous reactive power theory. A proportional-integral (PI) controller is implemented for DC-link voltage control, with the primary aim of this study being the elimination of total harmonic distortion (THD) in
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25

Abdelkarim, Ahfouda, Bekakra Youcef, Djaafar Toumi, Ahmed Ibrahim, Laid Zellouma, and Hettiri Messaoud. "Shunt active power filter control based on Z-source inverter fed by PV system." International Journal of Power Electronics and Drive Systems (IJPEDS) 15, no. 3 (2024): 1777–87. https://doi.org/10.11591/ijpeds.v15.i3.pp1777-1787.

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In this paper, an integration of a Z-source inverter (ZSI)-based shunt active power filter (SAPF) fed by a photovoltaic (PV) system for the enhancement of power quality is proposed. The ZSI provides substantial advantages including improved boost functionality, reduced harmonics, and superior performance compared to traditional inverters. In this paper, the SAPF control is based on instantaneous reactive power theory. A proportional-integral (PI) controller is implemented for DC-link voltage control, with the primary aim of this study being the elimination of total harmonic distortion (THD) in
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26

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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Subhani, Nafis, Ramani Kannan, Md Mahmud, and Mohd Romlie. "Performance Analysis of a Modernized Z-Source Inverter for Robust Boost Control in Photovoltaic Power Conditioning Systems." Electronics 8, no. 2 (2019): 139. http://dx.doi.org/10.3390/electronics8020139.

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In this paper, the performance of a new Z-source inverter (ZSI)-based single-stage power conditioning system (PCS) is analyzed for a standalone photovoltaic (PV) power generation system. The proposed ZSI-based PCS includes two main parts: one is the input from PV units and the other is the ZSI. In this work, a new topology, termed the switched inductor-assisted strong boost ZSI (SL-SBZSI), is introduced for improving the performance of the PCS. The proposed topology shows high boosting capability during the voltage sag in PV units due to variations in solar irradiation and temperature. Another
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Hosseini, Seyed Mohsen, and Yousef Alinejad Beromi. "A Multi–Objective Optimization for Performance Improvement of the Z–Source Active Power Filter." Journal of Electrical Engineering 67, no. 5 (2016): 358–64. http://dx.doi.org/10.1515/jee-2016-0051.

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Abstract The high power dissipation is one of the most important problems of the z-source inverter (ZSI). By using an appropriate optimization scheme, the losses can be significantly reduced without any negative impact on the other characteristics of the inverter. In this paper, a multi-objective optimization is implemented in order to reduce the ZSI total losses as well as to improve the z-source active power filter (APF) performance. The optimization is focused on the four important objectives including power losses of the Z-source APF, the initial cost of the system components, the voltage
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29

Yan, Jian-De, Fan Peng, and Wei-Cai Xie. "Optimal Sliding Mode Preview Repetitive Control for Three-Phase Z-Source Inverters." Mathematical Problems in Engineering 2022 (September 13, 2022): 1–12. http://dx.doi.org/10.1155/2022/9660028.

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Aiming at high output voltage and obvious current fluctuation of the off grids inverters with unbalanced and nonlinear loads, a compound control strategy of sliding mode controller and optimal preview controller based on Z-source inverter (ZSI) is proposed. ZSI can boost the pressure and improve the system energy conversion rate through by combining the state with the linear quadratic design method of optimal control. The preview controller is introduced in the feedforward compensation link. With the help of difference operator, an extended state error system covering the target value signal a
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30

Anant, Thakur. "Z-Source Inverter Fed Asynchronous Motor Drive." International Journal of Trend in Scientific Research and Development 4, no. 1 (2019): 41–45. https://doi.org/10.5281/zenodo.3604661.

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In this project, an impedance source power converter or impedance fed power converter and its control method are presented to implement DC to DC, AC to DC, AC power conversion. The Z source inverter uses a single impedance network or a single impedance circuit to couple the main circuit of the converter to the power source, using respectively a capacitor and an inductor in the voltage source and the converter. of current source. Implementation of the crossing zero state as a switching state in a switching cycle of the inverter in which the output voltage is zero, because the output terminals a
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31

Akkarapaka, Ananda Kumar, and Dheerendra Singh. "An IFOC-DSVPWM Based DC-Link Voltage Compensation of Z-Source Inverter Fed Induction Motor Drive for EVs." Advances in Power Electronics 2015 (August 13, 2015): 1–14. http://dx.doi.org/10.1155/2015/185381.

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The drop in DC-link voltage of adjustable speed drives (ASD) occurs mainly due to the increase in output power demands. This may lead to inefficient operation and eventually the tripping of the drive. This paper presents a Double Space Vector Pulse Width Modulation (DSVPWM) technique for boosting and compensating the DC-link voltage of Z-source inverter (ZSI). The DSVPWM technique estimates the required shoot through period of the Z-source inverter to maintain the DC-link voltage constant at the desired level through capacitor voltage control. The DSVPWM can obtain maximum boost at any given m
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32

Subhani, Nafis, Ramani Kannan, Md Apel Mahmud, Tushar Kanti Roy, and Mohd Fakhizan Romlie. "Analysis of Steady-State Characteristics for a Newly Designed High Voltage Gain Switched Inductor Z-Source Inverter." Electronics 8, no. 9 (2019): 940. http://dx.doi.org/10.3390/electronics8090940.

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This paper aims to develop a new switched inductor assisted strong boost Z-source inverter (SL-SBZSI) topology with high voltage gain and analyze the steady-state characteristics of the proposed topology. In the proposed topology, two switched inductors are used within the series impedance structure of the Z-source inverter (ZSI) in order to achieve the high voltage gain. The steady-state characteristics of the proposed topology are analyzed to disseminate its several advantages as compared to traditional ZSIs. The key advantages include the higher boost factor with lower shoot-through duty ra
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33

Malathi, R., and M. Rathinakumar. "Comparison of Sine and Space Vector Modulated Embedded Z-Source Inverter fed Three Phase Induction Motor Drive System." International Journal of Power Electronics and Drive Systems (IJPEDS) 7, no. 4 (2016): 1240. http://dx.doi.org/10.11591/ijpeds.v7.i4.pp1240-1251.

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This paper deals with performance of photovoltaic powered Embedded Z-Source Inverter (EZSI) fed Induction motor drive. The DC output from the PV-Panel is boosted and converted into AC using Embedded Z-Source Inverter. EZSI system based on the concept of Z-Source Inverter (ZSI), which provides single stage power conversion. The EZSI also produce same voltage gain as that of the ZSI based system. In EZSI the DC source is embedded within the X-shaped LC impedance network, due to this EZSI has the added advantage of inherent source filtering capability , this can be achieved without any extra pass
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34

Kumar, Ch Srivardhan, and Z. Mary Livinsa. "Power quality enhancement by using Z-DVR based series voltage compensation with black widow optimization technique." International Journal of Applied Power Engineering (IJAPE) 12, no. 3 (2023): 229. http://dx.doi.org/10.11591/ijape.v12.i3.pp229-246.

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In distribution system, voltage quality issues are the most concerning disturbances influencing the power quality (PQ). As a result, to alleviate this PQ concerns such as sag, swell, fluctuation, interruption, and harmonics on the sensitive load, the series voltage compensator dynamic voltage restorer (DVR) is utilized. Furthermore, a Z-source inverter (ZSI) based DVR is proposed in this paper to improve the power system's voltage restoration properties. To compensate the voltage concerns which is occurs in passive and transmission components, the 3-φ Z-DVR inverter with proportional integral
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35

Chitra, K., and A. Jeevanandham. "Design and implementation of maximum constant boost switched inductor z-source inverter for three-phase on-line uninterrupted power supply." COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering 34, no. 4 (2015): 1101–21. http://dx.doi.org/10.1108/compel-08-2014-0189.

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Purpose – The purpose of this paper is to present the Switched Inductor Z-Source Inverter (SLZSI) topology for three-phase on-line uninterruptible power supply (UPS) by employing third harmonic injected maximum constant boost pulse width modulation (PWM) control. Conventional UPS consists of step-up transformer or boost chopper along with voltage source inverter (VSI) which reduces the efficiency and increases energy conversion cost. The proposed three-phase UPS by using SLZSI has the voltage boost capability through shoot through zero state which is not available in traditional VSI and curren
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36

He, Guofeng, Junfang Lin, Guojiao Li, Yanfei Dong, and Wenjie Zhang. "DC Component Suppression of Grid-Connected Z-Source Inverter Based on Disturbance Observer." Energies 15, no. 15 (2022): 5700. http://dx.doi.org/10.3390/en15155700.

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Regarding the problems of resonance and direct current (DC) components when the Z-source inverter (ZSI) without an isolation transformer is connected to the grid through an LCL filter, this paper proposes a novel DC component suppression strategy for a grid-connected ZSI based on the split capacitor method of disturbance observer (DOB). The split capacitor method is utilized to convert a third-order LCL filter into a first-order one to eliminate the resonance problem. The DC component of the inverter output voltage is regarded as an external disturbance, and the employed DOB is used to observe
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37

SUMIT, SURESH BHATPURE, and K. VADIRAJACHARYA DR. "Z CONVERTER CONTROL OF A V/F INDUCTION MOTOR DRIVE USING SINE PWM." JournalNX - A Multidisciplinary Peer Reviewed Journal NCMTEE-2K17 (March 26, 2017): 123–27. https://doi.org/10.5281/zenodo.1452061.

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In this paper author has implemented speed control of an induction motor fed by sine pulse width modulation (PWM) on Psim software. Z source inverter (ZSI); is used to convert DC to AC supply and the control loop V/F control strategy. API controller is used inherently for controlling the shoot through time interval from the z source capacitor voltage error. The various parameters are plotted using PSIM simulation software and results are demonstrated on the 1.8KW induction motor connected from ZSI from 5Hz to 75Hz. The various simulation results are plotted during startup, input voltage change
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38

Gan, Shihong, Weifeng Shi, and Xiaoyan Xu. "Proposed Z-Source Electrical Propulsion System of a Fuel Cell/Supercapacitor-Powered Ship." Journal of Marine Science and Engineering 11, no. 8 (2023): 1543. http://dx.doi.org/10.3390/jmse11081543.

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The use of green energy to power ships in the marine industry has attracted increasing attention in recent years. This paper presents an inland river cruise ship supplied by a fuel cell (FC) as the main power source and a supercapacitor (SC) as the auxiliary power source. Its propulsion inverter adopts the proposed high-boost Z-source inverter, and the proposed high-voltage-boost Z-source inverter (HVB-ZSI) principle is studied. The advantages of this proposed HVB-ZSI in two cases are verified through simulation. In case 1, it can be seen that the capacitance voltage is only 250 V, and the max
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39

K., Pragathi*1 &. N. Prakash Reddy2. "MODELLING AND SIMULATION OF LC SWITCHING VOLTAGE BOOST THREE LEVEL NPC INVERTER WITH FUZZY LOGIC CONTROLLER." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 6, no. 9 (2017): 484–93. https://doi.org/10.5281/zenodo.995964.

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This paper presents a new control scheme for three levels NPC Inverter to boost up the input dc voltage and give three levels AC output voltage with less harmonic distortion in a single stage.Recently, Single stage high voltage pick up support inverter is getting ubiquity in applications like sun powered PV, energy component, UPS systems and so on. As of late, single stage voltage support multilevel Z-Source inverter (ZSI) and Quasi Z-source inverter (QZSI) have been proposed for DC-AC control transformation with enhanced power quality. Multilevel ZSI utilizes more number of high power inactiv
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40

Yuan, Jing, Yongheng Yang, and Frede Blaabjerg. "A Switched Quasi-Z-Source Inverter with Continuous Input Currents." Energies 13, no. 6 (2020): 1390. http://dx.doi.org/10.3390/en13061390.

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Impedance source converters as single-stage power conversion alternatives can boost and regulate the output voltages of renewable energy sources. Nevertheless, they, also known as Z-source inverters (ZSIs), still suffer from limited voltage gains and higher stresses across the components. To tackle such issues, extra diodes, passive components, and active switches can be utilized in the basic ZSIs. In this paper, a modified switched-quasi-Z-source inverter (S-qZSI) is proposed, which features continuous input currents and high boosting capability to boost output voltage by minor modifications
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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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42

Vani, E., and N. Rengarajan. "Optimal operation of Low Cost Topology for Improving the Power Quality in the Wind Power Conversion System." Indonesian Journal of Electrical Engineering and Computer Science 1, no. 3 (2016): 523. http://dx.doi.org/10.11591/ijeecs.v1.i3.pp523-533.

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<p class="Default">In this paper, Vienna rectifier and Z Source Inverter (ZSI) based Wind Power Conversion System (WPCS) has been proposed with less number of switches to provide high quality power to off grid system. The three phase full bridge converter has six switches for the conversion of AC-DC and also need separate DC-DC boost converter to boost the DC voltage. In the proposed WPCS, three Phase Vienna rectifier has only three switches for the conversion of AC-DC and also it boosts the DC voltage. The ZSI jointly with Vienna rectifier provides higher, boosted AC voltage and high qu
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43

Midde, Mahesh* K. Leleedhar Rao. "CLOSED LOOP CONTROL OF EMBEDDED Z-SOURCE INVERTER WITH FUZZY CONTROLLER FOR SOLAR PV APPLICATIONS." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 6, no. 4 (2017): 197–202. https://doi.org/10.5281/zenodo.557148.

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This paper proposes the use of Embedded Z –source inverter system with fuzzy controller for Solar Photo Voltaic (PV) applications with adjustable speed drives. Closed loop operation FUZZY control strategies of EZSI system are proposed. EZSI produces the same voltage gain as Z-source inverter (ZSI) but due to the DC sources embedded within the X- shaped impedance network, it has the added advantage of inherent source filtering capability and also reduced capacitor sizing. This can be achieved without any extra passive filters. By controlling the shoot-through duty ratio and modulation index, EZ
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44

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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45

Abdeen, Eltaib, Mahmoud A. Gaafar, Mohamed Orabi, Emad M. Ahmed, and Abdelali El Aroudi. "Multi-Input Ćuk-Derived Buck-Boost Voltage Source Inverter for Photovoltaic Systems in Microgrid Applications." Energies 12, no. 10 (2019): 2007. http://dx.doi.org/10.3390/en12102007.

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This paper presents a multi-input Ćuk-derived Buck-Boost voltage source inverter (CBBVSI) for Photovoltaic (PV) systems. The proposed topology consists of a single-stage DC-AC inverter that combines both DC-DC and DC-AC stages. The DC-DC stage is used for stepping-up the voltage from the PV generator. Simultaneously, the DC-AC stage is used for interfacing the PV source with the AC grid. The topology allows three sources to utilize the antiparallel diodes for each inverter leg for transferring the energy. The proposed system exhibits several features such as a reduction of the number of compon
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Jagan, Vadthya, Mithun Kumar Reddy Alpuri, Mandava Neeharika, Cheruku Swetha, Pedekala Mahendar, and Sharmili Das. "A family of switched-impedance network enhanced-boost quasi-Z-source inverters." International Journal of Power Electronics and Drive Systems (IJPEDS) 13, no. 1 (2022): 309. http://dx.doi.org/10.11591/ijpeds.v13.i1.pp309-321.

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This paper proposes a family of novel enhanced-boost quasi-Z-source inverters (EB-qZSIs). For the similar input voltage and shoot-through duty ratio, similar to that of enhanced-boost Z-source inverter/enhanced-boost qZSIs, the presented topologies provide very high voltage boost at high modulation index with improved quality output waveform. Compared to EB-ZSI and EB-qZSIs, these topologies provide less capacitors stress, which reduce the volume and cost of the system. Akin to traditional EB-qZSIs, the presented novel impedance networks share joint ground with the source and inverter bridge,
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47

Badrul Sham, Noor Mazliza, Shamsul Aizam Zulkifli, and Ronald Jackson. "i-Capacitor Voltage Control for PV Z-source System with Enhanced Shoot-through." International Journal of Power Electronics and Drive Systems (IJPEDS) 9, no. 4 (2018): 1899. http://dx.doi.org/10.11591/ijpeds.v9.i4.pp1899-1911.

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<span lang="EN-US">This paper explains an improved capacitor voltage control (i-CVC) by combining with maximum power point tracking (MPPT) algorithm as a control strategy for a single-phase Z-source inverter (ZSI) using photovoltaic (PV) source. The existing CVC based-MPPT control algorithm has a net shoot-through interval which should be inserted in the switching waveforms of the inverter to produce maximum power at the Z-network of the PV. However, this net shoot-through period is formed by an additional shoot-through period which has drawbacks as it boosts the capacitor voltage to a g
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48

Prakash, G., and C. Subramani. "Space Vector and Sinusoidal Pulse Width Modulation of Quasi Z-Source Inverter for Photovoltaic System." International Journal of Power Electronics and Drive Systems (IJPEDS) 7, no. 3 (2016): 601. http://dx.doi.org/10.11591/ijpeds.v7.i3.pp601-609.

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<p>This paper compares the execution of Sinusoidal Pulse width Modulation (SPWM) and Space Vector Pulse Width Modulation (SVM) methods for a Quasi Z-source inverter (QZSI) is an another topology got from the standard Z-source inverter (ZSI).The QZSI gets each one of the upsides of the ZSI, which can comprehend buck/boost, inversion and power forming in a singular stage with upgraded trustworthiness. In like manner, the proposed QZSI has the novel purposes of enthusiasm of lower part evaluations and unfaltering dc current from the source. The QZSI highlights a broad assortment of voltage
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49

Yadav, Arvind, Vinay Kumar Deolia, and Sanjay Agrawal. "Dual Current Loop Control for a Third-Order Passive Damped Filter Based Quasi-Z-Source Inverter." ECTI Transactions on Electrical Engineering, Electronics, and Communications 19, no. 1 (2021): 12–22. http://dx.doi.org/10.37936/ecti-eec.2021191.236885.

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An Impedance Source Inverter (ZSI) offers a solution to low output renewable energy sources, because it provides an unconventional high boost. The interaction of Quasi-Z-Source (qZS) inverter with the load side raises stability concerns. Multiple resonant features need attention when grid is connected. In this paper, the resonant feature of a third order filter based on a qZS inverter is explored, and DC and AC sides dynamic characteristics are analyzed for optimum size selection of passive components. Coupled response of a qZS inverter and the AC side filter is presented. For input variation,
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Kumar, Sarode Shiva, Gauri Shanker Gupta, Sudhansu Kumar Mishra, and Pankaj Mishra. "Analysis, Control and Simulation of Switched Boost Network Inverter using Modified PWM approach for E-bike Applications." International Journal of Electrical Engineering and Computer Science 6 (October 17, 2024): 176–83. http://dx.doi.org/10.37394/232027.2024.6.21.

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A transformer less with modified PWM approach control switched boost network inverter to supply the motor in the E-bike application is demonstrated in this work. The output received from battery is of low magnitude DC voltage, making it unsuitable for high power AC applications. Traditionally, to make the low power DC obtained suitable for high power AC applications, integration of boost chopper and conventional VSI is used, resulting in two stage conversion, making the overall system bulkier and more expensive, and unsuitable for low power consumptions. To address this issue, Z-source inverte
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