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18 articles for “Three-level Inverter”
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Shunt Active Power Filter Using Three Level Inverter without PI Controller
Abstract: This paper presents simulation and analysis of shunt active power filter using three level inverter. Different types of filters can be used for elimination of harmonics in the power system with nonlinear load. Three level VSI (Voltage Source Inverter) can be used for high voltage application. Three level NPC (Neutral Point Clamped) VSI is used for active power filter. In this paper, FFT (Fast Fourier Transform) algorithm for reference current …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 3, 2015 · pp. 76–86 Read article
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Enhancing Power Quality and Harmonics Control via Integration of PV, Wind, and Battery Systems with Three-level Inverter in DC Micro grid Management
Abstract: The primary goal of this research is to develop a multi-level inverter-based energy management approach for a smart DC-micro grid. An electric micro grid is created in this project by combining photovoltaic (PV), wind, and batteries. Solar and wind power can be efficiently extracted, and the quality of power can be improved by using FOPID control for source-side converters (SSC) and load-side converters controlled by multilevel inverters. To make the …
Published in Journal of Power Electronics and Power Systems · Vol. 14, Issue 1, 2024 · pp. 18–27 Read article
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Design and Implementation of Single-Phase, Three-Level, Sub-Harmonic PWM Inverter with Short-Circuit Fault Detection
Abstract: This paper investigates the design and implementation of single-phase, three-level inverter controlled by sub-harmonic pulse-width modulation (SH-PWM). The performance of developed 3-level inverter is simulated and then is compared with 2-level conventional inverter as well as FFT analysis. Experimental test has been undertaken to examine the operating characteristics of the implemented inverter for supplying an inductive load. To increase the reliability of designed inverter in different applications, a short-circuit fault …
Published in Journal of Instrumentation Technology & Innovations · Vol. 5, Issue 2, 2015 · pp. 5–13 Read article
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Torque Ripple Minimization of High-Power Fed Induction Motor Drive Using Low Switching Frequency
Abstract: Multi-level inverter has emerged as an important topology in the area of high-power-medium voltage energycontrol applications due to its several advantages such as its good harmonic rejection capability, betteroutput voltage with reduced ripple, reduction of voltage ratings of the power semiconductor switchingdevices and also the reduced electro-magnetic interference problems, etc. This paper presents the torqueripple minimization and the performance under different operating conditions (dynamic and steady state) ofindirect vector-controlled high-power …
Published in Journal of Power Electronics and Power Systems · Vol. 1, Issue 1-2-3, 2011 · pp. 72–83 Read article
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Neural Network Based Fractional Order PID Controller for Harmonic Mitigation of Induction Motor Drive System
Abstract: Torque produced in IM (induction Motor) is collected fundamental torque, however, due to core saturation, air gap irregularity, and winding distribution; stator and rotor slotting harmonics torque are produced. This reduces the quality of the power system, life span, and performance of the motor and the controller device. In this paper, a neural network, based fractional order proportional integral derivative (NNFOPID) controller is designed to compensate the harmonics of the …
Published in International Journal of Electrical Power and Machine Systems · Vol. 1, Issue 1, 2023 · pp. 23–41 Read article
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Mitigation of Harmonics in Industries using a Multilevel Shunt Active Power Filter
Abstract: The vast development in power electronic equipments causes higher harmonics in the distribution line in order to reduce the harmonics. This work proposes a design of Multi-Level Inverter (MLI) based Shunt Active Filter (SAF) intended to sort out the presence of harmonics in the distribution line. This proposed SAF utilizes three level diodes clamped MLI as VSI. d-q theory is employed for reference signal generation. In order to regulate the …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 8, Issue 3, 2021 · pp. 39–50 Read article
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Modelling of Grid Tied 3-Level Diode Clamped Inverter Using Sinusoidal PWM for Solar Application
Abstract: AbstractIn this paper the AC Loads are fed from solar energy by means of Three-level Diode Clamped Inverter. The entire system is three phase supply system. To make the system more efficient Maximum Power Point Tracking (MPPT) is used. The Perturb & Observe method is used to obtain voltage at maximum power. In this work Sinusoidal Pulse Width Modulation (SPWM) technique is implemented to generate gate pulses to make the …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 3, 2015 · pp. 9–16 Read article
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Closed Loop Control of Multi Level Inverter Tied with 415 V AC Source Using SV-PWM for Renewable Energy
Abstract: In this work, 415 V AC source is interfaced with three-level diode clamped inverter in which renewable energy source is used as a DC source, solar energy is used which is most popular renewable energy source. The obtained DC from the solar irradiation is fed to MPPT (Maximum Power Point Tracking) to utilize voltage at maximum power (DC). The perturb and observe technique is used in this work to track …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 1, 2016 · pp. 55–65 Read article
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Analysis and Implementation of Carrier Based and Space Vector PWM Techniques on a Three-Phase Voltage Source Inverter
Abstract: This paper presents a comprehensive analysis of carrier based and space vector pulse width modulation (PWM) techniques on a two-level three-phase voltage source inverter (VSI). The results of simulations performed in Matlab/Simulink are compared to the results obtained from the implementation of the PWM schemes on an actual VSI whose PWM signals are generated using dSpace. The analysis of the inverter line to line voltages includes, a fast fourier transform …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 3, 2015 · pp. 125–139 Read article
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Novelty of Cascaded Inverter Based Two Stage Power Conditioning Systems for Constant Wind Power Applications
Abstract: Wind energy has proved to be the most promising renewable energy source because of its environmental friendly nature. Wind energy can be generated by harnessing the kinetic energy of atmospheric air. The present concern towards wind turbines is to increase the size of turbine in order to harvest more energy and also to reduce cost of per megawatt capacity. This paper proposes a 2-stage power conversion technique. The first stage …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 1, 2016 · pp. 1–11 Read article
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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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27- Level High Frequency Transformer Based- MLI for Integration of Renewable Energy
Abstract: This research proposes a unique high-frequency transformer (HFT)-based multilevel inverter(MLI) with 27 levels can be constructed with a single DCpower supply and twenty switching devices. The proposedMLI topology comprises three medium frequency isolationtransformers, each with a different rated voltage. Since thetransformers used in MLI operate at high frequencies, thesuggested system has a smaller volume and weight. Acascaded H-bridge (CHB) connects each transformer'sprimary windings, and the secondary windings areconnected in series …
Published in Journal of Power Electronics and Power Systems · Vol. 13, Issue 2, 2023 · pp. 1–11 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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Control of a Three Phase Grid-Connected Photovoltaic System with Maximum Power Point Tracking
Abstract: The power output of a photovoltaic system is greatly dependent on environmental conditions such as solar irradiation and ambient temperature. Due to the nonlinear nature of these conditions, the power output of the PV system is nonlinear. As a result, interfacing its output to the electrical grid is not possible. In order to achieve a grid connected photovoltaic (PV) system, controlled maximum power point tracking techniques are needed to obtain …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 3, 2015 · pp. 52–64 Read article
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A Brief Review on Single Phase PV Micro-Inverter System
Abstract: This paper presents a review on recent developments and a summary of inverter technology for single phase grid-connected photovoltaic (PV) systems for power levels up to 5 kW. The functions of inverter include DC–AC conversion, output power quality assurance, various protection mechanisms, and system controls. PV inverters are classified in three categories which are centralized inverter, string inverter and module oriented or micro inverter. Centralized inverter, string inverter and module …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 2, 2015 · pp. 55–62 Read article
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Phylogenomic Analysis of Human Multigene Families Using Computational Approach
Abstract: Evolution leads to major morphological transformations and anatomical complexity achieved by higher vertebrates. The phylogenomic analysis of human multigene families (ERBB, HCK, VAMP) was conducted to check the evolutionary history and functional significance. The colossal amount of diversified protein dataset for a wide variety of vertebrates and invertebrates was used to derive the phylogeny of highly significant and functionally diverse gene families. Phylogenetic analysis reveals the mode of evolution and …
Published in Research & Reviews: A Journal of Bioinformatics · Vol. 3, Issue 1, 2016 · pp. 1–8 Read article
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Importance and Need of Solar Photovoltaic Technology and Factors Affecting Efficiency
Abstract: Renewable energy is also called Green Energy. These energies are not exhausting and are constantly renewed. Renewal is very effective and necessary in the current situation, because as the number of people and technology increases, the demand for energy also increases. The use of solar energy research to reduce the energy crisis, protect the environment and ensure the most important economic development. Many factors affect its efficiency namely solar radiation, …
Published in Journal of Thermal Engineering and Applications · Vol. 8, Issue 3, 2021 · pp. 42–46 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