Fuzzy Logic Based Single-Phase Nine Level Inverter for A.C Drives Using Photovoltaic System

R. Palanichamy; K.Sivasakthi

CALL FOR PAPERS : Jan-2025

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25-Jan-25

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Fuzzy Logic Based Single-Phase Nine Level Inverter for A.C Drives Using Photovoltaic System

Author(s):

R. Palanichamy , CCET Oddanchatram Dindigul,India; K.Sivasakthi, CCET Oddanchatram Dindigul,India

Keywords:

Photovoltaic system (PV), Boost Converter, Multilevel inverter, Pulse width-modulated (PWM),Total harmonic distortion(THD) Fuzzy logic Controller

Abstract:

This paper proposes a Fuzzy logic based single-phase Nine level inverter for A.C drives using photovoltaic systems, with a new Pulse width modulated (PWM) control scheme. The topology was applied to a A.C drives using photovoltaic system with considerations for a maximum -power-point tracker (MPPT) and a current-control algorithm. A boost converter is used to step up the input voltage of the inverter interposed between the PV array and Nine Level Inverter. This new nine-level inverter with reduced number of switches converts DC to AC which is capable of producing nine levels of output-voltage levels (Vdc, 3Vdc/4, Vdc/2, Vdc/4, 0,- Vdc/4,-Vdc/2, -3Vdc/4, - Vdc) from the dc supply voltage. The Pulse Width Modulation (PWM) signals are generated to the inverter by using PID and Fuzzy Logic Controllers and the total harmonic distortion (THD) results are compared. The performance of the proposed drive is simulated in MATLAB/Simulink environment, and the obtained results of the drive.