Implementation of Fuzzy Logic Controller for Cascaded Multilevel Inverter with Reduced Number of Components

K  Yamini; B  Vasudha; Avinash Sharma and P  Ponnambalam nbsp

doi:10.17485/ijst/2015/v8iS2/71717

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Implementation of Fuzzy Logic Controller for Cascaded Multilevel Inverter with Reduced Number of Components

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2015/v8iS2/71717

Year: 2015, Volume: 8, Issue: Supplementary 2, Pages: 1-6

Original Article

Implementation of Fuzzy Logic Controller for Cascaded Multilevel Inverter with Reduced Number of Components

K. Yamini^* , B. Vasudha, Avinash Sharma and P. Ponnambalam

School of Electrical Engineering, VIT University, Vellore, Tamil Nadu;
[email protected], [email protected], [email protected], [email protected]

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

Abstract

In this paper, cascaded multilevel inverter with fuzzy closed loop control is proposed. The proposed cascaded multilevel inverter needs lower number of dc voltage sources, power semiconductor switches hence the complexity and the cost of the overall system decreases. Pulses for the switches are generated by using sinusoidal pulse width modulation. Procedure to generate voltage levels is developed. Closed loop control using fuzzy logic is used to improve the RMS output voltage. Simulation results are observed for seven level inverter with fuzzy logic.
Keywords: Cascaded Multi Inverter, Fuzzy Logic, Power Semiconductor Switches