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Boost Converter in Simulink

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SY Koh
SY Koh on 14 Mar 2016
I am designing a boost converter on simulink which works with IGBT. The input of my IGBT is a PWM generator with duty cycle constant fed. However, my Vout = Vin when my duty cycle is at 0.5. It should be Vin = 2Vout when duty cycle is 0.5.
The components parameter is as such. Capacitor1: 50E-6F, Capacitor2: 10E-6F, Inductor: 2.6E-3H, Frequency: 40kHz, Resistance: 1664 ohms, Vin: 100V.
My simulink model can be found in this link. http://workupload.com/file/ToTip5Ys
Appreciate to those who can indicate whats wrong with this boost converter! Thanks in advance!

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Answers (2)

Mahmoud Saleh
Mahmoud Saleh on 4 Aug 2017
Check this model and compare:
https://www.mathworks.com/matlabcentral/fileexchange/63949-voltage-control-dc-dc-boost-converter

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Mohamed Djihad Bechar
Mohamed Djihad Bechar on 3 Nov 2019
How to design a DC boost converter step by step by block diagram in Simulimk? I appreciate your help, thank you!

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