International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 11 Issue: 09 | Sep 2024
p-ISSN: 2395-0072
www.irjet.net
Solar Powered Multilevel Inverter and Battery using MPPT Technique with Inverted Sine Modulation Control Strategy Shara Kandula1, Dr.G.Annapurna2 1PG Student, Dept. of EEE, G.Narayanamma Institute of Technology and Science, Telangana, India
2Professor, Dept. of EEE, G.Narayanamma Institute of Technology and Science, Telangana, India ---------------------------------------------------------------------***---------------------------------------------------------------------
Abstract - Now a days non-renewable energy sources are
source converters have become one of the finest options for medium-voltage, high power applications. Because of its modular circuit construction, the CHB converter is one of the top well-liked multilevel inverter topologies. Comparing the CHB topology to other topologies, fewer DC-link capacitors are needed[1]. With their superior efficiency over traditional two-level inverters and their capacity to produce highquality output waveforms with little harmonic distortion, Multilevel/Multistage Inverters (MLIs) are a cutting edge in power electronics technology that have drawn a lot of interest. Multiple power switches are used by MLIs to produce a stepped waveform that resembles a sine wave solution. Recently the use of renewable energy resources has been increased to save the environment and remaining fossil fuel and the requirement of storing the energy is also increased[2].
diminishing and hence we are going for renewable energy resources. Solar photovoltaic system is sustainable, ecological and it can withstand rising load needs. Because solar PV modules output varies according to the weather, the system's efficiency is reduced. To extract the most power possible, the maximum power point (MPP) tracking approach must be used. In order to achieve the intended outcomes, this study suggests implementing the MPPT in charge controller’s perturb and observe (P and O) algorithm utilizing a boost converter. A bidirectional/two-way DC to DC converter connected to battery which in turn can be used as electric vehicle battery. Multilevel inverter with inverted sine modulation technique integrated with PV modules is being analyzed. This paper also presents the contrast of sine PWM and inverse sine PWM control strategies for different levels. The proposed techniques offers improved proficiency and performance contrast to SPWM and also generates less harmonics, switching losses. The proposed project is carried through MATLAB/SIMULINK.
The primary tool for interacting with the battery as a storage device to improve system reliability is a bidirectional dc to dc converter. In electric vehicles also, bidirectional converter is used in between source of energy and motor for supplying power from storage device to motor. Thus, bidirectional dc to dc converters are getting more and more attention in academic research and in industrial applications[2].
Key Words: PV system, Battery, Maximum/Peak Power Point Tracking, Inverted/Inverse Sine Modulation Control Strategy(ISPWM), DC-DC Converter.
1.INTRODUCTION These days, the global energy crisis and pollution management are the main issues. The majority of electricity is produced using non-renewable resources, and as the demand for electricity is growing daily, these sources will eventually run out of supply. One of the renewable energy sources is Photovoltaic (PV) modules that are coupled to the grid are a viable substitute for autonomous and sustainable energy source. By continuously modifying the electrical functioning point of the modules or arrays, Maximum/Peak Power Point Tracking (MPPT) is a technology used in photovoltaic modules to maximize the power production from solar energy panels. This technique ensures that the solar energy panels function at their maximum power point (MPP), where they can produce the highest possible power under varying environmental conditions. Power electronic technology, which is widely used and developing quickly, is crucial to distributed generation and the inclusion of nonexhaustible energy sources into the electrical grid. Due to a number of benefits, including better spectral performance with a lower switching frequency than traditional inverters, which in turn reduces switching losses, multilevel voltage-
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Fig -1: Schematic Diagram of PV system with inverter and battery with Bidirectional DC-DC converter In this paper, PV system is used as renewable energy source and MPPT to track maximum power for varying weather conditions. Cascaded h-bridge MLI is used as DC-AC inverter and it is supplied by PV and Battery through Bidirectional/Two-way DC-DC converter. The 3 and 5 level CHB MLI with SPWM, ISPWM are compared.
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