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Research Article | Open Access
Volume 13 2021 | None
ENHANCED POWER CONVERSION: FIVE-LEVEL ONE-CAPACITOR BOOST MULTILEVEL INVERTER FOR GRID-CONNECTED PV SYSTEMS
Mr.DONTHULA SANTHOSH, NELLI AJAY, RAPELLI LAVANYA
Pages: 3354-3363
Abstract
Insufficient voltage. Power electronic converters are commonly used in energy conversion systems to generate renewable energy. This article describes a novel way to use a single capacitor boost in REGS in a single phase grid-connected multilevel inverter. Multilevel inverter configurations are best suited for medium to high power applications. This article discusses a new type of five-level (2Vdc, Vdc, 0, −Vdc, −2Vdc) boost multilevel inverter that requires only one capacitor. The single-phase configuration under consideration includes one capacitor, eight switches, and a single direct current source. The charge-pump theory is used by the inverter to improve its boosting ability. According to this theory, charging and discharging the capacitor in series and parallel produces a higher output voltage. The levelshift pulse width modulation method generates the desired pulse pattern by comparing the reference signal to four carriers. This method is used to drive the switches in the suggested configuration, which requires simple control tasks. Some of the characteristics that distinguish the developed inverter include its small size, ease of control, ability to boost, and the fact that it requires only one DC source and capacitor. To simulate the system, MATLAB is utilized. The simulation's goal is to ensure that the brand-new five-level grid-connected solar system operates as intended.
Keywords
five-level, multilevel inverter, Energy Generation Systems (REGS), pulse width modulation.
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