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Soft Starter Induction Motor Model

version (97.9 KB) by Juan Sagarduy
Electro-mechanical model of a thyristor-based soft starter with Simscape Electrical


Updated 20 Apr 2021

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Soft starters are power electronics topologies allowing soft start/stop of induction motors widely used in industrial applications (i.e. water treatment). A model of a thyristor-based soft start of a 15kW induction motor is introduced (Simscape Electrical). The model provides both open-loop and closed-loop algorithms for thyristor firing (speed control with smooth bypass connection).

Video. More Electric Tech Series: 2. Soft Starters and Variable Speed Drives.

Cite As

Juan Sagarduy (2021). Soft Starter Induction Motor Model (, MATLAB Central File Exchange. Retrieved .

Comments and Ratings (9)

sajad mohammadi

this is my Email address:

sajad mohammadi

can anyone send me the file compatible for 2019b model?


can anyone send me the file compatible for 2019a model

Sachin Panduranga s

hello sir/ma'am,
I've been working on this project. I couldn't able to sort the problems yet! and having trouble with execution.
It would be very helpful if you provide the execution procedure.
Thank you


Abdullahi R

Please I video I’m doing it as a project please help

Christian Sologuren

Thank you. I think that your algorithm is not efficient enough, The inrush current is still high.

Parth Patel

Couldn't understand the firing scheme


Please provide the flow chart of firing algorithm if possible

MATLAB Release Compatibility
Created with R2020b
Compatible with any release
Platform Compatibility
Windows macOS Linux

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