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In recent years, the increasing use of multilevel inverters (MLIs) with switching capacitors has been driven by applications that include high-voltage alternating current (AC) and renewable energy sources. The switched capacitor (SC) approach decreases the number of direct current (DC) sources that are required to generate the requisite yield voltage by making use of the voltage that is situated across the capacitor. The design of a high-gain MLI that makes optimal use of a limited number of sources and switches requires a significant amount of effort. In contrast to the SC-MLIs design that was previously used, this study offers the modeling of a nine-level (9-L) quadruple boost inverter (NQBI) structure. This structure is provided by a single solar system and makes use of less diodes, switches, and capacitors. The NQB converter that was recommended is capable of producing an output that has nine different voltage levels. This is accomplished by skillfully properly balancing the outputs of the two capacitors. The proposed 9-L QBI architecture is contrasted with the other SC-MLIs so as to demonstrate the profits and weaknesses of this particular design. The proposed grid-free QBI that makes use of solar photovoltaics has been subjected to extensive simulation in a MATLAB/Simulink environment under a variety of conditions in order to validate its efficiency.

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PV Fed Nine-Level Multilevel Inverter with Fuzzy Controller

  • 会议论文

  • 发表日期：

    2025年

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  • Sareddy Venkata Rami Reddy,
  • Duggireddy Sudhamani,
  • Bangaru Lavanya,
  • Sankepalli Haritha,
  • B. Nagi Reddy

摘要

In recent years, the increasing use of multilevel inverters (MLIs) with switching capacitors has been driven by applications that include high-voltage alternating current (AC) and renewable energy sources. The switched capacitor (SC) approach decreases the number of direct current (DC) sources that are required to generate the requisite yield voltage by making use of the voltage that is situated across the capacitor. The design of a high-gain MLI that makes optimal use of a limited number of sources and switches requires a significant amount of effort. In contrast to the SC-MLIs design that was previously used, this study offers the modeling of a nine-level (9-L) quadruple boost inverter (NQBI) structure. This structure is provided by a single solar system and makes use of less diodes, switches, and capacitors. The NQB converter that was recommended is capable of producing an output that has nine different voltage levels. This is accomplished by skillfully properly balancing the outputs of the two capacitors. The proposed 9-L QBI architecture is contrasted with the other SC-MLIs so as to demonstrate the profits and weaknesses of this particular design. The proposed grid-free QBI that makes use of solar photovoltaics has been subjected to extensive simulation in a MATLAB/Simulink environment under a variety of conditions in order to validate its efficiency.