Totempole based PFC in On Board Charger in an EV

🌱 Course Title: Totempole-based PFC in On Board Charger of an Electric Vehicle 🚀

Theory & Matlab Simulation of Totempole-based Power Factor Correction Converter in EVs 📚✨

Introduction to the Course:
In this comprehensive module, we delve into the intricacies of power factor correction (PFC) within On Board Chargers (OBC) for Electric Vehicles (EVs). Starting with a solid foundation in PFC theory, its importance, and the advantages it brings, the course progresses to practical, hands-on Matlab Simulink simulations that bring concepts to life.

Module Breakdown:

Lecture 1: Understanding Power Factor in AC Circuits 🕐

• Power Factor Essentials: Learn about calculating power factor, its presence in AC transmission, and the impact of non-linear elements on current phase shifts.
• Lagging vs Leading Power Factors: Explore how these phenomena occur and why EVs require power factor correction at the source for optimal performance.

Lecture 2: The Totempole PFC Topology 🤖

• Totempole Converter Overview: Discover what a Totempole converter is, its advantages over multistage topologies, and its operation principles.
• Control Algorithm Preview: Get an early look into the control algorithm that governs the Totempole converter’s behavior.

Lecture 3: Building the Totempole PFC Topology in Simulink 💻

• Simulink Modeling: Begin constructing a totempole power factor correction topology in Matlab Simulink, including essential sensors placement.
• Control Loop Design: Start designing the control loop for your Totempole converter model.

Lecture 4: Mastering the Totempole Control Algorithm 🧠

• Dual PI Loop: Learn about implementing a dual PI controller to achieve unity power factor and a stable DC output.
• Control Strategy Insights: Dive deeper into closed-loop control strategies that ensure a steady state of the system under simulation conditions.

Lecture 5: Achieving Unity Power Factor through Simulation ✅

• Simulation Analysis: Examine the simulation results where the designed control strategy successfully achieves unity power factor, with current and voltage sinusoids in perfect phase alignment.

Lecture 6: Observing PI Loop Impact on AC Current Ripple 🔊

• Control Algorithm Effects: Observe and understand how the PI loop affects the ripple of the AC current, ensuring a consistent unity power factor at all times.

Lecture 7: Integrating PFC into OBC of an EV 🚗⚡

• OBC Components: Understand the stages of an On Board Charger and how the PFC output fits within this context.
• PFC Output Considerations: Learn why the PFC output from an OBC cannot be used to directly charge the High Voltage (HV) battery in an EV.

Why This Course?
This course is tailored for electrical engineers and students who are interested or working on developing power electronic systems for electric vehicles. The integration of PFC within an OBC is a critical aspect that affects the vehicle’s performance, efficiency, and user experience. By mastering the Totempole-based PFC, you will be well-equipped to design robust and efficient charging systems for EVs.

With hands-on Matlab simulations, you’ll not only understand the theory but also see real-time results that demonstrate how your control strategies affect the system. Join us on this journey to enhance the charging infrastructure of electric vehicles through power factor correction technology! 🚗🔋🚀