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A Seven-Level Grid Connected Inverter for Photovoltaic system

SATHISH KUMAR, G. RAVI KUMAR, , ,
Affiliations
M.Tech Research Scholar, Priyadarshini Institute of Technology & Management
Associate Professor, Priyadarshini Institute of Technology & Management
:NOT ASSIGNED


Abstract
This paper proposes fuzzy logic controller based a single-phase seven-level inverter for grid-connected photovoltaic systems, with a novel pulse width-modulation (PWM) control scheme. Three reference signals produces from fuzzy logic controller which are identical to each other are going to compare with the amplitude of the triangular carrier signal. The inverter is capable of producing seven levels( Vab = Vdc Vab = 2Vdc/3 Vab = Vdc/3 Vab = 0 Vab =−V dc/3 Vab= − 2Vdc/3 Vab = −V dc )of output-voltage levels from the dc supply voltage. The total harmonic distortion is reduces by this control strategy. The proposed system was verified through simulation.


Citation
SATHISH KUMAR,G. RAVI KUMAR."A Seven-Level Grid Connected Inverter for Photovoltaic system". International Journal of Computer Engineering In Research Trends (IJCERT) ,ISSN:2349-7084 ,Vol.1, Issue 06,pp.586-591, DECEMBER - 2014, URL :https://ijcert.org/ems/ijcert_papers/V1I638.pdf,


Keywords : Fuzzy logic Controller, Grid connected, modulation index, multilevel inverter, photovoltaic (PV) system, pulse width-modulated (PWM), total harmonic distortion (THD).

References
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