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A Multi Level Soft Switching with AC SPARSE Modular using ANN

Journal: International Journal for Modern Trends in Science and Technology (IJMTST) (Vol.6, No. 3)

Publication Date:

Authors : ; ;

Page : 65-69

Keywords : IJMTST;

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A Multilevel AC-AC Sparse modular multilevel converter (SMMC) is proposed in this paper. It is a bi-directional multilevel converter and it is employed in high power and high voltage applications. It contains full bridge and half bridge SM's on the middle arm, and low frequency converters on each side of the converter. In this converter more number of IGBT switches can work under soft switching mode. Control scheme is also proposed in this paper, it is utilized to obtain the capacitor voltage balancing. Capacitor voltages have some oscillations, harmonics will be decreased by applying modified PWM technique. Number of levels of the converter increases, voltage harmonics will be decreased and also switching frequency of the full bridge and half bridge arm IGBTs is decrease. The appropriateness of the multilevel level AC/AC SMMC with ANN Control scheme will be estimated by utilizing the MATLAB/SIMULINK software.

Last modified: 2020-05-03 01:57:45