inverter electrical engineering 2019


power inverter, or inverter, is an electronic device or circuitry that changes direct current (DC) …. Grid-tied inverters are designed to feed into the electric power distribution system. … power to AC power. Use within any larger electronic system where an engineering need exists for deriving an AC source from a DC source.

A Classification of Single-Phase Transformerless Inverter Topologies for Photovoltaic Applications
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In Photovoltaic (PV) applications, a transformer is often used to provide galvanic isolation and voltage ratio transformations. However, a transformer based inverter is bulky and has high conduction losses, therefore lead to a reduction in the inverter efficiency. The

Particle Swarm Optimization based Fuzzy Logic MPPT Inverter Controller for Grid Connected Wind Turbine
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The wind energy source as an alternative to conventional sources to generate power has been increasingly popular due to abundant in nature and pollution free. The wind energy sources are undepletable, however, they are not able to generate as much electricity due to

Design and Simulation of Cascaded Multi Level Inverter with Less Number of Switches Fed Induction Motor Drive
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A new approach of 31-levels cascaded H-bridgemultilevel inverter is proposed for three phase induction motor drives. Power quality is improved with the increase in number of levels. However, the number of switching devices and other components increase which

An MILP Approach for Distribution Grid Topology Identification using Inverter Probing
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Although knowing the feeder topology and line impedances is a prerequisite for solving any grid optimization task, utilities oftentimes have limited or outdated information on their electric network assets. Given the rampant integration of smart inverters, we have previously

Single-Phase Step-Up Five-Level Inverter with Phase-Shifted Pulse Width Modulation
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A single-phase step-up five-level inverter topology with a new phase-shifted pulse width modulation (PS-PWM) strategy is proposed in this paper. When compared with conventional single-phase five-level inverter topologies, the proposed topology can realize multilevel

Hybrid CMOS-SET Inverter Design for Improved Performance using Tied Body-backgate Technique
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Single-electron transistors (SETs) are an attractive candidate for future functional elements in LSIs, because of their low-power consumption and small size. Integration of current CMOS technology with the emerging SET devices is an effective approach for improving

Control of asymmetrical cascaded multilevel inverter for a grid-connected photovoltaic system
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This article presents a generalised asymmetrical cascaded multilevel inverter (MLI) for a single-phase grid-connected photovoltaic (PV) system and their control strategy. The control strategy, including maximum power tracking along with a suitable interface, is implemented

Harmonic Analysis of Photovoltaic-Fed Symmetric Multilevel Inverter using Modified Artificial Neural Network
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This paper presents a control scheme to eliminate the harmonics in a symmetric cascaded multilevel inverter -connected grid system. It is controlled by modified artificial neural networks and genetic algorithm. The solar photovoltaic acts as input source and the output

Design and Simulation of a Transformer Coupled Push-Pull Inverter and Matrix Converter Types Smart Solar Grid System
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This research paper deals with the design and simulation of facile and robust AC voltage originator using a solar power. PV technology is used for generating DC voltage as solar power is very reliable source. Push-pull inverter is used to convert the DC to AC as well as

A MODIFIED MULTILEVEL INVERTER TOPOLOGY WITH MAXIMUM POWER POINT TRACKING FOR PHOTOVOLTAIC SYSTEMS
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In this paper, both topologies, three level neutral-point clamped diode and the modified inverter are presented which are fed by PV system as DC source input to drive an induction motor. A fuzzy logic maximum power point tracking (MPTT) technique is used to ensure the

Power Compensation with Bi-directional Inverter in DC-Micro Grid Applications
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This paper presents a single-phase bi-directional inverter with dc-bus voltage regulation and power compensation in dcmicrogrid applications. In dc-microgrid applications, a power distribution system requires a bi-directional inverter to control the power flow between dc

Benchmarking of Phase Lock Loop Based Synchronization Algorithms for Grid-Tied Inverter .
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In renewable energy-based generation sources a phase locked loop is one of the most popular synchronization techniques. A rapid and precise grid voltage phase and frequency estimation under a wide spectrum of possible grid disturbances is its main objective. This

POWER QUALITY IMPROVEMENT OF MULTI-FUNCTIONAL GRID CONNECTED INVERTER WITH RENEWABLE SYSTEM
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To improve performance of voltage profile and current profile of power quality issues in renewable sources. This paper propose a multi-functional grid connected inverter and MFGCI is improve both voltage-based and current-based power quality issues. Using a

Economic feasibility of an inverter and conventional air conditioners for residential buildings in Iraq
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The use of air conditioners has become a necessity recently in the Republic of Iraq due to the very hot weather of Iraq and the inability of citizens to withstand high temperatures in the summer. This led to an increase in the annual electricity bill, hence the aim of this study is to

New coupled-inductor based multilevel inverter with extension capability
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Multilevel inverters have been developed due to limitations of the conventional two-level voltage source inverters (VSIs). Most of the topologies of multilevel inverters that have been presented in the literature are based on the sharing of the rated voltage between the

Boost Current Source Inverter
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In this report, a new topology for direct-drive wind turbines (DDWTs) based on a boost current source inverter (CSI) is discussed. In the presented topology, the grid-side converter of the system is replaced by a boost CSI, which eliminates the need for dc-bus capacitors

IMPEDANCE SOURCE INVERTER
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This thesis presents an impedance-source or power converter type and with its control method. The Z-source converter presented here is for dc to ac converter, voltage source inverter . In fact; the Z-source inverters concept can be applied to other conversion

Assessment among Single and Three Phase 28-Echelon Cascaded Multilevel Inverter with Three H-Bridge Inverter Modules
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The function of this work is to minimize total harmonics distortion and number of switch and improve level in output voltage waveform. In conventional method, needed five H-bridge units to used 11-echelon inverter but in this proposed method for a 28-echelon cascaded H

A Reduced Switching Devices Multilevel Inverter Topology
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A multilevel inverter is a device which used electronics component and widely used for high- energy and high-voltage application. Multilevel structure of inverters are having inimitable arrangement which further creates it to make possible to attain high power and high voltage

DESIGN AND IMPLEMENTATION OF FIVELEVEL SYMMETRIC INVERTER
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The design of five level inverter model using the available DC sources, obtained from the external sources (eg, a battery or a fuel cell stack) to produce five level sinusoidal output under the usage of Cascaded topology, which accounts for several advantages over various





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