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Cascaded H bridge Multilevel Inverter



It generates ac output of 27 level per phase.

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It is designed to generate ac output of 27 levels/ phase. Three H bridges are used with three unequal distributed DC sources (1:3:9). "A" represents the no. of level in the output and "F" indicates the output frequency. Sinusoidal PWM used to vary the output voltage and frequency. So the model can be used for other applications like drives, DVR, grid tied inverter etc.,

Required Products SimPowerSystems
MATLAB release MATLAB 7.9 (R2009b)
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Comments and Ratings (7)
14 Dec 2014 rabbani roslan

hi.. im newbie here.. i do not know how to determine the pulse signal for each switch. can u give me the pulse for hepwm?thank you.. =)

27 Jun 2014 hanuma kumar  
21 Mar 2014 Danilo NASCIMENTO

Are you using a subharmonic pwm (SHPWM)?

17 Jan 2014 chandu

How to build this kind of complex circuits in less time?
Please help me regarding this problem.
My mail id is: chandu.g55@gmail.com

Any help is appreciable. Thanks in advance.

23 Oct 2013 Pondicherry Univ

need of information about pulse generation

17 May 2012 ARUNAI ENGG

good design

05 May 2012 ARUNAI ENGG

it consist of 3 h bridge and it gives 27 level of out put , i like to know how 2h bridges produce 9 level of out put ,please help me to obtain 9 level that
is use only 2 H bridges

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