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- Title
A Symmetric Solar Photovoltaic Inverter to Improve Power Quality Using Digital Pulsewidth Modulation Approach.
- Authors
Albert, Johny Renoald; Ramasamy, Kannan; Joseph Michael Jerard, V.; Boddepalli, Rajani; Singaram, Gopinath; Loganathan, Anbarasu
- Abstract
A symmetric multilevel inverter is designed and developed by implementing the modulation techniques for generating the higher output voltage amplitude with fifteen level output. Among these modulation techniques, the proposed SFI (Solar Fed Inverter) controlled with Sinusoidal-Pulse width modulation in experimental result and simulation of Digital-PWM results is verified under the lowest THD level. There are three intelligent techniques proposed in SFI, among these intelligent controllers the MPP (Maximum Power Point) based controller gives better results. An open loop, close loop control system is implemented for the different operating load conditions (R and RL load). In the proposed system the Solar-PV array using SPR305W is maintained constant power by implementing an MPP approach to the (DC–DC) Double-lift Converter. The DC–DC converters are fed with SFI inverter circuit. The proposed structure for analysis and implementation for simulated with MATLAB/Simulink (R2020a) software. Experimental setup is carried out with Field Programmable Gate Array based processor to generate the switching sequences based on the proposed methodologies. The performance of the SFI operating with load connected system is analysis with output voltage/current, reactive power, and minimized harmonics level.
- Subjects
DIGITAL modulation; FIELD programmable gate arrays; ARRAY processors; ELECTRIC inverters; INTELLIGENT control systems; DC-to-DC converters; SOLAR technology; PULSE width modulation transformers
- Publication
Wireless Personal Communications, 2023, Vol 130, Issue 3, p2059
- ISSN
0929-6212
- Publication type
Article
- DOI
10.1007/s11277-023-10372-w