Soft Starter Induction Motor Model

Electro-mechanical model of a thyristor-based soft starter with Simscape Electrical
3.5K Downloads
Updated 23 Jun 2022

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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.
https://youtu.be/K2ht-sUhI7E

Cite As

Juan Sagarduy (2024). Soft Starter Induction Motor Model (https://www.mathworks.com/matlabcentral/fileexchange/49605-soft-starter-induction-motor-model), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2022a
Compatible with any release
Platform Compatibility
Windows macOS Linux
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softstarter_22a

Version Published Release Notes
3.0.0.3

Updated link.

3.0.0.2

Upgraded for R2022a.

3.0.0.1

Optimized reference speed and firing curve for linear motor ramp up. Minimized peak current & smooth by-pass connection.

2.0.0.4

Minor correction.

2.0.0.3

Adding video as a supporting material.

2.0.0.2

Replacing in the description SimPowerSystems (obsolete) with Simscape Electrical.

2.0.0.1

Models updated to 2020a.

1.0.0.1

Updated license

1.0.0.0