Paper Title
Single Phase Eleven Level Grid Connected Inverter for Photovoltaic System
Article Identifiers
Authors
Veerla Usha Sri , Dr. Y Bhaskar S S Gupta
Keywords
PV System, MPPT, Boost Chopper, 11-level Inverter.
Abstract
The typical consumer or user of a single-phase grid-connected inverter is a small business or institution that requires a power range of less than 10 kW. Different kinds of single-phase inverters that can connect to the grid have been studied. With its high switching frequency, the three-level inverter can meet requirements, but at the expense of possibly higher switching losses, noise, and interference. The inverter's switching function generates electromagnetic interference (EMI), which can be mitigated by optimising the waveform it produces. For photovoltaic systems that link to the grid, this research presents a novel pulse width modulated (PWM) control strategy for a single-phase, seven-level inverter. The PWM signals were generated by comparing three identical reference signals with an offset equal to the amplitude of the triangle carrier signal. From the dc source voltage, the inverter may generate seven different levels of output-voltage levels (Vdc, 2Vdc/3, Vdc/3, 0, Vdc/3, 2Vdc/3, Vdc). Multilevel inverters have cleaner output waveforms and reduced THD than single-stage inverters. Extensive MATLAB simulations were run to examine the proposed multilevel inverter's operation. The inverter's output voltage can be varied by setting the modulation index to the desired value. A comparison is made between the output of a 7-level inverter and that of an 11-level inverter.
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How To Cite (APA)
Veerla Usha Sri & Dr. Y Bhaskar S S Gupta (February-2023). Single Phase Eleven Level Grid Connected Inverter for Photovoltaic System. INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT, 8(2), c760-c766. https://ijnrd.org/papers/IJNRD2302286.pdf
Issue
Volume 8 Issue 2, February-2023
Pages : c760-c766
Other Publication Details
Paper Reg. ID: IJNRD_187989
Published Paper Id: IJNRD2302286
Downloads: 000121979
Research Area: Electrical EngineeringÂ
Country: Visakhapatanm, Andhra pradesh, India
Published Paper PDF: https://ijnrd.org/papers/IJNRD2302286.pdf
Published Paper URL: https://ijnrd.org/viewpaperforall?paper=IJNRD2302286
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