Question
Asked 28th Feb, 2016
Sepehr Didevar
Sepehr Didevar

How can i simulate PWM in PSim?

I want to simulate AC/AC converter and I need to know how I can simulate a PWM for it , my main problem is "dead time" circuit and comparator circuit that I don't know if I have to build them or they are within PWM block?
Electronic Circuit Design
Electrical & Electronics Engineering

Most recent answer

Sepehr Didevar
Shahid Beheshti University
thank you all for your contribution.
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Popular answers (1)

Kamran Ali Shah
Shanghai Jiao Tong University
I have found an example on youtube, this might help you 
https://www.youtube.com/watch?v=ZYM5jk0SFLA
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All Answers (4)

Kamran Ali Shah
Shanghai Jiao Tong University
I have found an example on youtube, this might help you 
https://www.youtube.com/watch?v=ZYM5jk0SFLA
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3 Recommendations
Pavithra Babuji
PSG Institute of Technology and Applied Research
The gating pattern for PWM signal is done based on modulation index. When the synchronization signal changes the gating pattern is enabled. The delay angle defines the relation between gating pattern and synchronization signal.
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Varun Chitransh
Indian Institute of Technology Delhi
Daer Sepehr Didevar,
The simple way generating PWM with dead band is: as follows-
Suppose you wish pulses  (say S1 and S1_bar) of duty 'd' and with deadband.
Generate a pulse of duty '(d-0.5*td)' -> this is pulse S1, td= dead band
Now generate a pulse of duty '(d+0.5*td)' -> take is compement -> this is pulse S1_bar.
Enjoy......!
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Sepehr Didevar
Shahid Beheshti University
thank you all for your contribution.
Cite

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