Executive Programs

Workshops

Projects

Blogs

Careers

Student Reviews

More

Informative Articles

Find Jobs

We are Hiring!

All Courses

Choose a category

All Courses

All Courses

29 Dec 2022

# How to Simulate Power Converters Using MATLAB Simulink?

Skill-Lync

Modern power electronics systems frequently have complex designs and are crucial to the dependability and safety of the environments they are intended to operate in. Simulation is the only approach to forecast their performance because of its internal components' intricate relationships and behaviours.

## What Are Power Converters?

An electrical circuit classified as a power converter can regulate energy flow from the source to the different components of the circuit. A converter consists of the following parts:

• Minimum-loss capacitors, inductors, and transformers
• Diodes and MOSFETs.

## How Can We Simulate Power Electronic Systems?

Power electronic systems are typically simulated using one of two methods:

• The first is fixed topology, in which semiconductors have low or high impedances depending on whether they are on or off. The semiconductor's state has no bearing on the equations system. Despite being straightforward, this method creates issues with striking a balance between the stability of numerical integration methods and the precision of the findings.
• The second, called changeable topology, treats switches as open or short circuits. The state of the semiconductor is then a factor in the system equations. There are no accuracy issues; however, creating the equations for various configurations and determining the semiconductor's switching conditions can be time-consuming.

## Why Modeling and Simulation Are Necessary for Power Electronics Converters?

Due to the nonlinear behaviour of the power semiconductors and the various magnitudes of the circuit's time constants, this element's interaction is complicated. Due to its complexity, simulating the behaviour of power-electronic systems before prototyping is the only option.

### What Aspects Are Examined in a Power Electronics Simulation?

Different regulators and other power systems require distinct designs and simulations to guarantee that components are correctly chosen.

Generally speaking, any power electronics system must be simulated concerning the following elements:

• An average voltage or current: The system's incoming and outgoing voltages/currents can be compared to calculate the power transfer characteristics of your design.
• Buck: Different topologies of switching DC-DC converters and PFC circuits offer buck (step-down) or boost (step-up) capability. You must confirm that the output alters as the duty cycle varies in accordance with the recommended formulas for your converter architecture.
• Ripple: A flat DC output cannot be achieved by Power Factor Correction (PFC) circuits, switching regulators, rectifiers, or others. When switching or rectifying elements are included in the circuit, the output will ripple. Regular ripple measurement uses the average output voltage/current to calculate its percentage.
• Linearity: Power electronics systems will have a specific range where the relationship between the input and output is linear. As you need to analyse the least load (i.e., the biggest current) that can be connected to the system, this should be simulated for various loads.

The programming environment MATLAB was created especially for scientists and engineers. It is applied to data analysis, algorithm development, model and application creation. Combining graphical and textual programming to develop your system in a simulation environment is possible using MATLAB and Simulink.

Making input data sets for simulations and running thousands of simulations concurrently are possible with MATLAB. The data can then be analysed and visualised in MATLAB. You may design and execute digital control for power converters, motors, and battery systems with the aid of Simulink for Power Electronics Control Design.

Users prefer this tool as it is quick, simple, and dependable. However, it could produce minor problems once the hardware is implemented.

When it comes to power electronics, MATLAB is superior to PSPICE or ORCAD for just electronic circuits.

### How is MATLAB Simulink Beneficial for Simulation Purposes?

The highly potent control tools available in the MATLAB environment are well recognised. Through the Sim2Sim module, Simplorer may use these tools to expand its control repertoire. Simplorer can implement the common controllers used in power electronics because of this functionality.

Finally, PSpice is a subpar alternative to simulation since its control functions are few and more challenging to install. Simplorer is the easiest to use, whereas MATLAB-Simulink is the most challenging.

#### Conclusion

The above discussion concluded that a circuit simulator is designed specifically for power electronics to facilitate the greatest designing ease. MATLAB Simulink does a great job simulating the circuit's power and control elements. These simulators are also user-friendly, have quick execution times, and are numerically reliable. Skill-Lync offers many courses for electrical engineers through which we teach how to perform simulations using MATLAB and Simulink.

Author

Anup KumarH S

Author

Skill-Lync

Related Blogs

Understanding Lithium-Ion Batteries in the EV Domain - part 3

The article highlights the importance of a battery management system and the work dynamics of an ideal battery cell. It illustrates the different parts of a cell and the procedure of converting a cell into a battery. This is part 3 on our series on the application of a Li-ion battery for electric vehicles. In the final part, Skill-Lync aims to shed light on the drive cycle of an electric circuit, the state of charge of a Li-ion battery followed by the fundamental parameters for an HV battery.

27 Jul 2020

Understanding Lithium-Ion batteries in the EV domain - Part 1

24 Jul 2020

Understanding Lithium-Ion Batteries in the EV Domain - part 2

In continuation of part 1 of the application of Li-ion battery for electric vehicles, part 2 of this article discusses the different types of cells, battery elements, and their various features. Read how Skill-Lync's HEV courses can help you get employed in the HEV domain. This is part 2 of Skill-Lync's series on the application of Li-ion batteries for electric vehicles. Part 1 of this series touched upon the significance of Li-ion cells for the propulsion of electric vehicles.

24 Jul 2020

Career in Hybrid Electric Vehicles - Drive Development

Using two case studies, read about the career opportunities in the HEV domain as a Drive Development engineer. Learn about system design in detail as we at Skill-Lync explain the working of a Mahindra Scorpio powered by a microHYBRID engine.

23 Jun 2020

Control System Architecture for a Hybrid Power-train

Hybrid Electric Vehicles (HEVs) are the future of transport technology, and Powertrain Control Systems is the brain of it. ECUs and TCUs are the predominant components of the PCM. They promise greater control and accuracy, offer a pollution-free world, and a cleaner energy source. Read on how Skill-Lync's hybrid electrical vehicle courses can help you get employed.

20 Jul 2020

Author

Skill-Lync

Related Blogs

Understanding Lithium-Ion Batteries in the EV Domain - part 3

The article highlights the importance of a battery management system and the work dynamics of an ideal battery cell. It illustrates the different parts of a cell and the procedure of converting a cell into a battery. This is part 3 on our series on the application of a Li-ion battery for electric vehicles. In the final part, Skill-Lync aims to shed light on the drive cycle of an electric circuit, the state of charge of a Li-ion battery followed by the fundamental parameters for an HV battery.

27 Jul 2020

Understanding Lithium-Ion batteries in the EV domain - Part 1

24 Jul 2020

Understanding Lithium-Ion Batteries in the EV Domain - part 2

In continuation of part 1 of the application of Li-ion battery for electric vehicles, part 2 of this article discusses the different types of cells, battery elements, and their various features. Read how Skill-Lync's HEV courses can help you get employed in the HEV domain. This is part 2 of Skill-Lync's series on the application of Li-ion batteries for electric vehicles. Part 1 of this series touched upon the significance of Li-ion cells for the propulsion of electric vehicles.

24 Jul 2020

Career in Hybrid Electric Vehicles - Drive Development

Using two case studies, read about the career opportunities in the HEV domain as a Drive Development engineer. Learn about system design in detail as we at Skill-Lync explain the working of a Mahindra Scorpio powered by a microHYBRID engine.

23 Jun 2020

Control System Architecture for a Hybrid Power-train

Hybrid Electric Vehicles (HEVs) are the future of transport technology, and Powertrain Control Systems is the brain of it. ECUs and TCUs are the predominant components of the PCM. They promise greater control and accuracy, offer a pollution-free world, and a cleaner energy source. Read on how Skill-Lync's hybrid electrical vehicle courses can help you get employed.

20 Jul 2020

Book a Free Demo, now!

Related Courses

Introduction to Hybrid Electric Vehicle using MATLAB and Simulink
4.8
23 Hours of content
Electrical Domain
4.8
37 Hours of content
Cae Domain
Recently launched
21 Hours of content
Electrical Domain
Recently launched
21 Hours of content
Electrical Domain
Recently launched
24 Hours of content
Electrical Domain
Showing 1 of 9 courses