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Rectifiers in MATLAB Simulink: A Practical Guide
1 students

Rectifiers in MATLAB Simulink: A Practical Guide

From Basics to Projects: Master Rectifier Simulation with MATLAB Simulink
Created byNiaz Ali
Last updated 1/2026
English

What you'll learn

  • 1. Build and simulate different types of rectifier circuits in MATLAB Simulink.
  • 2. Measure key performance parameters such as average power, apparent power, instantaneous power, power factor.
  • 3. Measure the Peak inverse voltage of the diode.
  • 4. Understand the role of a freewheeling diode as a protective device in power electronic circuits.
  • 5. Design and analyze filters to reduce ripples in the rectifier output.
  • 6. Apply practical techniques to improve simulation accuracy and effectively troubleshoot issues related to practical implementation.
  • 7. Learn how to work with Simscape components.
  • 8. Build a complete battery charger project using a full-wave rectifier, applying key concepts learned throughout the course.
  • 9. Obtain the harmonic spectrum of the current waveform, and calculate the Total Harmonic Distortion (THD) value.
  • 10. RMS values, ripple factor, form factor, and rectification ratio.
  • 11. Three Phase full-wave bridge rectifier simulation and key measurements.
  • 12. Simulate a single-phase, half-wave thyristor rectifier circuit, and observe the output current and voltage waveforms at different firing angles.
  • 13. Simulation of a single phase, semi-controlled full-wave bridge rectifier.
  • 14. Simulation of a single phase, fully-controlled full-wave bridge rectifier.
  • 15. PI Voltage controller for single phase thyristor rectifiers.
  • 16. Simulation of Three-Phase Thyristor Rectifiers

Course content

6 sections • 16 lectures • 3h 51m total length

  • Introduction8:08

    Getting Started with Simulink for Power Electronics:

    1. How to Launch Simulink and Create a New Model

    2. How to Launch the Simulink Library Browser

    3. Which Library to Use for Power Electronics

    4. How to Add Blocks to Model and Connect Them

    5. How to Get Help About a Block

  • A. Simulation of half-wave diode rectifier and key performance measurements.10:23

    Simulate a half-wave diode rectifier and perform the following tasks:

    1. Use voltage measurement and current measurement blocks to measure the circuit voltage and current, respectively.

    2. Display the voltage and current waveforms on separate scopes as well as on a single scope using a multiplexer.

    3. Use cursor measurement to determine the frequency of the output voltage.

    4.Use cursor measurement to find the maximum, minimum, root-mean-square, mean, and peak-to-peak values of both the voltage and current waveforms.

  • B. Simulation of half-wave diode rectifier and key performance measurements.13:11

    Perform the following tasks while simulating a Half-Wave diode Rectifier Circuit:

    1. Use Multimeter block to measure the circuit current and voltage across the load resistance.

    2. Use measuring port of the diode block to measure the maximum reverse voltage, also called the peak inverse voltage of the diode. This parameter helps us check whether our diode is within its reverse breakdown rating. So, this voltage helps us to select proper diode for our circuit.

    3. Measure the Form Factor of the Half-Wave diode rectifier

    4. Measure the ripple factor of the half-Wave diode rectifier

  • Measurement of: I. Instantaneous, Average, and Apparent Power. II. Power Factor6:58

    Make the following measurements while simulating a Half-Wave Diode Rectifier Circuit:

    1. Instantaneous Power.

    2. Average Power.

    3.. Apparent Power

    4. Power Factor.

  • Measure the PF of a series RL circuit and how it differs from non-linear circuit9:16

    In this lecture, you’ll learn how power factor is measured differently in linear circuits compared to non-linear circuits.

  • How a freewheeling diode acts as a protective device7:32

    This lecture demonstrates, through simulation of a half-wave diode rectifier with an RL load, how a freewheeling diode acts as a protective device.

  • How to measure Rectification Ratio of a full-wave bridge rectifier12:21

    Simulate a Full-wave bridge rectifier and measure its Rectification Ratio.

Requirements

  • 1. Basic Knowledge of Electrical Circuits: Understanding of voltage, current, resistance, and Ohm’s law. Familiarity with AC and DC circuits.
  • 2. Fundamentals of Power Electronics: Concepts like rectification, diode operation, and transformer basics. Types of rectifiers: half-wave, full-wave, and 3-phase rectifiers.
  • 3. Basic Computer and Application Skills: Comfort using software applications on a computer. Ability to navigate interfaces, use menus, and interact with visual tools like block diagrams. No prior experience with Simulink is required; we guide you step-by-step through it.
  • 4. Enthusiasm to Learn by Doing: The course is hands-on and project-based, so curiosity and a willingness to experiment will help you succeed.

Description

Are you a power electronics student struggling to simulate rectifiers in MATLAB Simulink?
This beginner-friendly course is designed to help you become confident in building, analyzing, and improving rectifier circuits using MATLAB Simulink.

You’ll learn by doing — with hands-on, problem-based examples explained in a clear and simplified way, so you can focus on learning without getting stuck on technical jargon. Whether you're working on academic assignments, final-year projects, or want to build a strong foundation in power electronics simulation, this course is your starting point.


Who This Course Is For:

Students of Electrical or Power Engineering.
Beginners and intermediate learners in power electronics.
Anyone who wants to simulate and analyze rectifier circuits using MATLAB Simulink.
Final-year students or project teams looking to build rectifier-based charging systems.


What You’ll Learn:

1. Build and simulate different types of rectifier circuits in MATLAB Simulink.

2. Measure key performance parameters such as average power, apparent power, instantaneous power, power factor, RMS values, ripple factor, form factor, and rectification ratio.

3. Measure the Peak inverse voltage of the diode.

4. Understand the role of a freewheeling diode as a protective device in power electronic circuits.

5. Design and analyze filters to reduce ripples in the rectifier output.

6. Apply practical techniques to improve simulation accuracy and effectively troubleshoot issues related to practical implementation.

7. Learn how to work with Simscape components.

8. Build a complete battery charger project using a full-wave rectifier, applying key concepts learned throughout the course.

9. Obtain the harmonic spectrum of the current waveform and calculate the Total Harmonic Distortion (THD) value.

10. Simulation of three phase rectifier and key measurements.

11. Simulation of Controlled Rectifiers

12. Simulation of single phase, half-wave controlled (Thyristor) rectifier.

13. Simulation of single phase, fully controlled, bridge rectifier.

14. Simulation of single phase, full-wave semi-controlled rectifier.

15. PI Controller design and Tuning for a Controlled Thyristor Rectifier

16. Simulation of Three-Phase Thyristor Rectifiers.


Please note: AI tools were used in parts of this course (such as narration) to enhance clarity and learner experience.

Who this course is for:

  • Ideal for beginners and intermediate learners aiming to master power electronics circuit simulation using MATLAB/Simulink.
  • Students of Electrical or Power Engineering.
  • Anyone who wants to simulate and analyze rectifier circuits using MATLAB Simulink.
  • Final-year students or project teams looking to build rectifier-based charging systems.

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