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Design and Modelling of a Nine Level Cascaded T-Type Configuration with Carrier Based Modulation Scheme

Journal: International Journal of Mechanical and Production Engineering Research and Development (IJMPERD ) (Vol.10, No. 3)

Publication Date:

Authors : ; ;

Page : 10157-10164

Keywords : Cascade T Type Configuration; Carrier Based Modulation; PV Applications;

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In this manuscript the modeling of a nine level cascaded T type configuration with carrier based modulation scheme is presented. The T-Type Configuration is the simplest configuration among various reduced switch count Multi-level inverter (RSC-MLI's). T-Type Configuration has 62.5% redundancies. However Limited redundancies of T-Type configuration limits its improvement to higher levels, either by increasing Bi-directional switches which are used in PV applications, or by extension of T-Type, through cascade presuserits redundancies which help to obtain uniform power distribution. In literature Multi-reference PWM scheme is the popular approach used to implement the T-Type configuration. However implementation of this scheme for closed loop is little difficultand in this paper simplest reduced carrier PWM approachis used to implement cascade T-Type configuration with uniform power distribution among the cascaded T-Type module. Cascaded T-Type 9 Levelconfiguration & results are demonstrated for both uniform and non-uniform power distribution.

Last modified: 2020-10-10 15:08:21