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33 articles for “Multilevel inverters”
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Study of Cascaded H Bridge Multilevel Inverter
Abstract: The inverters are now-a-days used broadly. Inverters are classified as two level inverters and multilevel inverters. There are too many limitations; conventional inverters at high power and high voltage applications. So, multilevel inverters become useful for high power and high voltage applications due to their increased number of levels at the output voltage. The harmonics are reduced by increasing the number of levels and output voltage has a tendency to-end-up …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 1, 2016 · pp. 45–54 Read article
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A Transformer-based Multilevel Inverter with Lesser Components
Abstract: This paper presents a multilevel inverter topology with lesser number of components than a conventional multilevel inverter, thereby reducing the overall cost of the same. Here, a nine-level transformer-based multilevel inverter topology is proposed which uses only 8 switches while a conventional transformer-less multilevel inverter uses 16 switches for achieving the same voltage level. The structure consists of a single dc source feeding two standard H-bridges. The process of intermediate …
Published in Journal of Microelectronics and Solid State Devices · Vol. 6, Issue 2, 2019 · pp. 1–12 Read article
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A New Nine Level Hybrid Multilevel Inverter
Abstract: Multilevel inverters (MLI’s) have been used widely for high power and medium power DC-AC conversion. Researchers are working to reduce total effective cost and enhance the working efficiency of the multilevel inverter. This paper presents a new multilevel hybrid inverter which utilizes eight active powers electronics switches along with asymmetric DC voltage source configuration to synthesize 9-level waveform and produces lower total harmonic distortion (THD) profile comparisons to present typical …
Published in Trends in Electrical Engineering · Vol. 6, Issue 1, 2016 · pp. 17–25 Read article
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A Review on Solar Multilevel Inverter for the Production of Free Energy Due to the Structure with Long-life Feature
Abstract: Multilevel inverters play a major role in medium voltage, high power and renewable applications. It is also used in certain applications where high switching frequency, and high output voltage gain are required. The switching transient period of a MOSFET should be minimal because a high dv/dt rate could result in permanent damage to the MOSFET. The harmonics present could cause many problems and so it has to be minimized. The …
Published in Journal of Nuclear Engineering & Technology · Vol. 14, Issue 1, 2024 · pp. 13–18 Read article
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Analysis of Cascaded Multilevel Inverter Induction Motor Drives
Abstract: The goal of this thesis is to use harmonic analysis to learn more about the performance of various cascaded multilevel inverters. To handle the high power demands of large electric drives and utility applications, innovative power electronics converters are required. As a result, in high power and medium voltage conditions, multiple power converter structures have been offered as an option. A multilayer converter not only achieves high power ratings, but …
Published in Journal of Microwave Engineering and Technologies · Vol. 8, Issue 3, 2021 · pp. 22–42 Read article
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Analysis of Different Level Half-Bridge Modular Multilevel Inverter
Abstract: Inverter is a power electronics device which is used to convert DC power to AC power at required output voltage and frequency. It can be broadly classified as two level inverters and multilevel inverters. The multilevel inverters are mainly classified as Diode clamped, Flying capacitor inverter and cascaded multilevel inverter. The design and operation of cascaded half bridge modular multilevel inverter (MMC) was very easy. Because, no clamping diode and …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 2, 2015 · pp. 1–8 Read article
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Reduced Switch Seven-Level Multilevel Inverter for Renewable Energy Applications
Abstract: The world is currently dealing with two majorissues. The first issue is a shortage of fossil fuels in the nearfuture, and the second is increased atmospheric pollution,which leads to an increase in ambient temperature (globalwarming), which necessitates the need to switch fromtraditional energy sources to renewable energy sources (RES).As the power generation from renewable energy sources isincreasing gradually, the importance of multilevel inverters isalso rising day by day for the …
Published in Journal of Power Electronics and Power Systems · Vol. 13, Issue 2, 2023 · pp. 19–33 Read article
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Harmonic Elimination in Photovoltaic (PV) Systems Using Various Multilevel Inverter Topologies
Abstract: The increasing penetration of photovoltaic (PV) systems into modern power grids necessitates advanced power electronic interfaces capable of delivering high-quality electrical power with minimal harmonic distortion. Multilevel inverters (MLIs) have emerged as an effective solution due to their ability to synthesize near-sinusoidal output voltages with reduced switching losses and electromagnetic interference. This study presents a comprehensive investigation of harmonic elimination in grid-connected PV systems using 5-level, 7-level, and 11-level multilevel …
Published in Trends in Electrical Engineering · Vol. 16, Issue 1, 2025 · pp. 01–18 Read article
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A Hybrid Cascaded Multilevel Inverter using Space Vector Pulse Width Modulation
Abstract: This paper proposes a topology of hybrid cascaded multilevel inverter consisting of two inverters namely main inverter and auxillary inverter. Main inverter consists of three-leg inverter with single DC source and auxillary inverter consists of three H-bridge two-leg inverter with separate DC sources for each H-bridge. Switches used in our proposed method are IGBT (insulated-gate bipolar transistor). The proposed model consists of 18 switches. The switches are controlled by space …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 1, 2015 · pp. 14–19 Read article
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Adaptive Selective Harmonic Elimination Method for Quasi Z-Source Cascaded Multilevel Inverters in Varying DC Voltage Condition
Abstract: AbstractIn this paper, a new control method for adaptive selective harmonic elimination in a quasi Z-source cascaded multilevel inverter (QZS-CMI) is proposed. According to real condition, the DC sources feeding the inverter are considered to be varying in time. In this condition, the switching angle and shoot-through duty ratio for each module are obtained off-line for different DC source values using particle swarm optimization (PSO) algorithm. The off-line data set …
Published in Trends in Electrical Engineering · Vol. 4, Issue 3, 2014 · pp. 1–9 Read article
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Multilevel Inverter Based PV System with MPPT Application
Abstract: Abstract: An improved MPPT converter with voltage and current (perturb & observe) method for photo voltaic (PV) and 5-level H-bridge multilevel inverter is connected to solar panel, applications is presented in this study. The proposed method used to implement maximum power point tracking (MPPT) and convert DC power into AC power by variable reference of voltage and current which is continuously changed during some time (up to 5 sec). In …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 10, Issue 1, 2019 · pp. 42–52 Read article
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Circuit Topologies, Operation, Control Schemes and Modulation Techniques of Modular Multilevel Inverter
Abstract: The Modular Multilevel Converter (MMC) is one of the developing topology. MMC has several attractive features such as a modular structure, transformer-less operation, easily scalable in terms of voltage and current, low expense for redundancy and fault tolerant operation and excellent output waveforms quality. Due to these attractive features industry and researcher increased the interest in this converter. This interest results in the development of new power topologies, modulation strategies …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 1, 2017 · pp. 28–40 Read article
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An Energy Stored Quasi Z-Source Cascaded Multilevel Inverter
Abstract: In the world today, there is a huge demand of power, although we have sufficient energy generation technique, renewable energy power generation plays a major role, like solar. This paper is about the control technique, which includes ES-QZSI combined with CMI and energy storage in order to get constant output power without fluctuation from the solar panel. Combines cascaded multilevel inverter and quasi Z-source inverter. Battery is used to balance …
Published in Journal of Electronic Design Technology · Vol. 7, Issue 2, 2016 · pp. 24–34 Read article
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Simulation of Three Section Multilevel Inverter with Reduced Range of Switches
Abstract: Because of high generation development, the demand and excellent of electric strength ishigher than earlier than. Furthermore, due to the advancement of semiconductor, thespecification of electricity devices and strength conversion method turn out to be stricter. Oneof the energy converters that may remodel DC to AC is called inverter. An inverter is the intermedium to transmit the electricity to other electric device such as an uninterruptibleelectricity supply, servo motor, air-conditioner …
Published in Journal of VLSI Design Tools and Technology · Vol. 10, Issue 1, 2020 · pp. 15–36 Read article
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Design and Simulation of Improved Multilevel Inverter For Solar Photovoltaic Applications
Abstract: The energy is extending rapidly, anyway will stand up to the modernization of India and fiscal turn of events, further reviving the pace of the test, especially considering the improvement of India's basic amassing approach needs. Starting late, influence age has extended rapidly, yet the business is filled by neighborhood dispersion associations, circulation frameworks and transmission frameworks, and the cash related condition is moderate and convincing. The display of photovoltaic …
Published in Journal of Power Electronics and Power Systems · Vol. 10, Issue 2, 2020 · pp. 34–46 Read article
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A Novel Approach control based Multilevel Inverter Topology Using DC Sources for Harmonic Reduction, Leakage Current Mitigation, and Voltage Stress Minimization in Photovoltaic Applications
Abstract: Photovoltaic systems are becoming main renewable energy sources, but they may face several challenges such as harmonic distortion, leakage current and variable output voltage. Due to this efficiency of the system leads to reduction and also power quality. To overcome these issues the paper presents a novel control-based multi-level inverter(MLI) and it uses multiple DC sources. The main goal of study is to provide a clean, stable and efficient power …
Published in International Journal of Electrical Machine Analysis and Design · Vol. 4, Issue 2, 2026 Read article
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Design Simulation of Multilevel Neutral Point Clamped Inverter System for Solar Photovoltaic Applications
Abstract: This paper presents design and simulation of Neutral Point Clamped multilevel inverter system connected to a solar photovoltaic system. The design of multilevel inverter is based on neutral point clamped topology. The improved space vector pulse width modulation enables better performance and output of the system in both qualitative as well as quantitative factor. The system is connected to solar photovoltaic system and the output is realized in the form …
Published in Journal of Power Electronics and Power Systems · Vol. 10, Issue 3, 2020 · pp. 32–42 Read article
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Enhancement of Power Quality in a DG-Integrated Smart Grid Using UPQC
Abstract: The goal of this presentation would be to demonstrate how an upqc conditioner may be used to improve the strength of a dispersed energy (DG) system (UPQC). Despite the potential advantages of DG, which include increased energy supply, reduced power system growth, and environmental friendliness, there are numerous problems assimilating DG into the system or sustaining it in standby mode. Voltage profile (PQ) is a significant technological barrier in dispersed …
Published in Journal of Microcontroller Engineering and Applications · Vol. 9, Issue 1, 2022 · pp. 29–34 Read article
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Performance Evaluation of Single Phase Cascaded Nine Level Inverter using Photovoltaic (PV) SystemPerformance Evaluation of Single Phase Cascaded Nine Level Inverter using Photovoltaic (PV) System
Abstract: Multilevel inverters are considered at present as the state of the art power conversion systems for high power and power quality demanding applications. This paper’s objective is to propose a modified cascaded nine-level inverter topology for a virtually sinusoidal output voltage, less number of power switches, results in decreased complexity and reduced total harmonic distortion (THD). The structure is simple and easy to be extended to higher level but also …
Published in Trends in Electrical Engineering · Vol. 8, Issue 1, 2018 · pp. 30–47 Read article
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THD Minimization of 27 Level Inverter using FPGA Control Strategy
Abstract: Normally single phase inverter gives only +230 V or –230 V. But multilevel inverter gives the variable output voltage in various levels and also the harmonics are reduced. If harmonics are produced, it affects the output of the load. Most of the industrial applications rely on Induction motors because of the reliable operation, low cost and simple construction. So the Multilevel inverter output is connected to the Induction motor. Here …
Published in Journal of Power Electronics and Power Systems · Vol. 3, Issue 3, 2013 · pp. 39–46 Read article