Multilevel Inverter For PV System Employing MPPT Technique

Multilevel Inverter For PV System Employing MPPT Technique
Authors : M. Thiagarajan, P.Pavunraj
Publication Date: 03-08-2012


Author(s):  M. Thiagarajan, P.Pavunraj

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Vol.1 - Issue 5 (July - 2012)

e-ISSN:   2278-0181


This paper presents a single-phase five-level PV inverter topology with dual reference modulation technique. Two reference signals identical to each other with an offset equivalent to the amplitude of the triangular carrier signals were used to generate PWM signals. Maximum Power Point Tracking (MPPT) is implementation in solar array power system with direct control method. The incremental conductance algorithm is used to track the MPP, as it performs better control under rapidly changing atmospheric condition. The Total Harmonic Distortion (THD) produced by the inverter is reduced. The proposed system is verified through simulation.


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