Lecture

Mod-11 Lec-32 Controller Design - I

This module discusses the first part of Controller Design, focusing on creating effective control algorithms for DC-DC converters. It emphasizes design principles and methodologies.

Key areas include:

  • Design process and considerations
  • Controller performance evaluation criteria
  • Integration with converter topologies
  • Simulations and modeling techniques

Mastering controller design principles is crucial for achieving desired performance and stability in power converters.


Course Lectures
  • Mod-01 Lec-01 Introduction to DC-DC converter
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module introduces the fundamental concepts of DC-DC converters. Participants will learn about the different types of DC-DC converters and their applications in power electronics.

    Key topics include:

    • Understanding the basic operation of DC-DC converters.
    • The significance of converting direct current (DC) from one voltage level to another.
    • Applications in various sectors such as renewable energy systems and electronic devices.
  • Mod-02 Lec-02 Diode
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module covers the essential characteristics and functions of diodes used in power conversion applications. Students will explore:

    • The role of diodes in rectification and switching circuits.
    • Different types of diodes, including Schottky, Zener, and standard diodes.
    • Forward and reverse bias characteristics.
    • Applications of diodes in various converter topologies.
  • Mod-02 Lec-03 Controlled Switches
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module focuses on controlled switches in power electronics. Participants will learn about:

    • Types of controlled switches, including MOSFETs and IGBTs.
    • Switching characteristics and their impact on converter performance.
    • Techniques for controlling these switches in various applications.
    • Understanding switching losses and thermal management.
  • Mod-03 Lec-04 Prior Art
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module provides an overview of prior art related to power conversion technologies. It highlights:

    • Historical developments in switched-mode power supplies.
    • Key innovations and their impact on modern converter designs.
    • Comparative analysis of various converter technologies.
    • Lessons learned from prior designs to inform future projects.
  • Mod-04 Lec-05 Inductor
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module delves into inductors, an essential component in power converters. Topics covered include:

    • The operational principles of inductors in energy storage and filtering.
    • Different types of inductors and their applications in converters.
    • Selection criteria for inductors in circuit design.
    • Impact of inductor design on overall converter performance.
  • Mod-04 Lec-06 Transformer
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module explores the role of transformers in power conversion. Key aspects include:

    • The principles of electromagnetic induction and transformer operation.
    • Transformer types used in switched-mode power supplies.
    • Design considerations for transformers in various applications.
    • Performance metrics and efficiency in transformer design.
  • Mod-04 Lec-07 Capacitor
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module covers capacitors, highlighting their importance in power conversion applications. Participants will learn about:

    • Capacitor types and their specific uses in circuits.
    • Understanding capacitance and its role in energy storage.
    • Applications of capacitors in filtering and smoothing outputs.
    • Design considerations for integrating capacitors into power converters.
  • Mod-04 Lec-08 Issues related to switches
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module discusses the issues related to switch operation in power converters. Key topics include:

    • Switching losses and their impact on efficiency.
    • Thermal management challenges in switch operation.
    • Techniques for minimizing switch-related issues.
    • Understanding the effects of switching frequency on performance.
  • Mod-04 Lec-09 Energy storage - Capacitor
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module focuses on energy storage capacitors, delving into their role within power converters. Key topics include:

    • How capacitors store and release energy in circuits.
    • Selection criteria for capacitors based on application needs.
    • Impact of capacitor type on converter performance.
    • Applications of energy storage capacitors in different converter topologies.
  • Mod-04 Lec-10 Energy storage -- Inductor
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module covers energy storage inductors, emphasizing their function in power converters. Topics include:

    • Energy storage mechanisms within inductors.
    • Selection of inductors based on energy requirements.
    • Influence of inductor design on converter efficiency.
    • Applications of energy storage inductors in various converters.
  • Mod-05 Lec-11 Primitive Converter
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module introduces primitive converters, outlining their basic principles and applications. Key learning points include:

    • The fundamental operation of primitive converters.
    • Examples of primitive converter applications in real-world scenarios.
    • Comparison with more advanced converter topologies.
    • Analysis of performance characteristics of primitive converters.
  • Mod-05 Lec-12 Non-Isolated converter - I
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module explores non-isolated converters, discussing their structure and operation. Key topics include:

    • Basic principles of non-isolated converter operation.
    • Different types of non-isolated converters and their applications.
    • Performance factors and efficiency considerations.
    • Real-world examples illustrating the use of non-isolated converters.
  • Mod-05 Lec-13 Non-Isolated converter -- II
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module further investigates non-isolated converters, emphasizing variations and advanced applications. Participants will cover:

    • Advanced types of non-isolated converters and their unique applications.
    • In-depth analysis of performance metrics.
    • Challenges faced in the design and implementation of non-isolated converters.
    • Future trends and advancements in non-isolated converter technologies.
  • Mod-06 Lec-14 Isolated Converters - I
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module introduces isolated converters, detailing their design and functionality. Key topics include:

    • Understanding the role of isolation in power conversion.
    • Types of isolated converters and their specific applications.
    • Design considerations for maximizing efficiency in isolated converters.
    • Performance analysis and comparison with non-isolated converters.
  • Mod-06 Lec-15 Isolated Converters -- II
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module delves deeper into isolated converters, emphasizing advanced concepts and applications. Topics covered include:

    • Advanced isolated converter designs and their benefits.
    • Applications in high-frequency and high-voltage environments.
    • Challenges in implementing isolated converters in various systems.
    • Future opportunities for innovation in isolated converter technology.
  • Mod-07 Lec-16 Conduction Mode
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module covers conduction mode operation, explaining its significance in power converters. Key learning points include:

    • Definition and principles of conduction mode.
    • Comparison with other operational modes.
    • Effects of conduction mode on performance and efficiency.
    • Examples of applications utilizing conduction mode operation.
  • Mod-07 Lec-17 Problem set - I
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module presents problem sets related to the operation of converters. Participants will engage in:

    • Solving practical problems to reinforce learning concepts.
    • Applying theoretical knowledge to real-world scenarios.
    • Discussion of solutions and methodologies.
    • Collaborative learning through group problem-solving activities.
  • Mod-07 Lec-18 Problem set -- II
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module continues with additional problem sets, challenging participants to deepen their understanding. Key aspects include:

    • More complex problems to enhance analytical skills.
    • Collaboration and discussion of various solution approaches.
    • Application of learned concepts to solve advanced problems.
    • Feedback sessions to improve problem-solving techniques.
  • Mod-08 Lec-19 Modeling DC-DC converters
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module covers the modeling of DC-DC converters, focusing on essential modeling techniques. Key learning points include:

    • Introduction to various modeling techniques for DC-DC converters.
    • State-space representation and its applications.
    • Circuit averaging methods for analyzing converter behavior.
    • Real-world examples of applying models to converter designs.
  • Mod-08 Lec-20 State space representation - I
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module presents state-space representation methods for converters, emphasizing their significance in analysis. Key topics include:

    • Understanding state-space concepts and their applications.
    • Formulating state equations for different converter topologies.
    • Analyzing system dynamics using state-space representation.
    • Practical examples to illustrate the application of state-space models.
  • Mod-08 Lec-21 State Space representation - II
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module continues with advanced state-space representation techniques for converters. Participants will explore:

    • Derivation of state-space models for various converter types.
    • Analysis of stability and response using state-space methods.
    • Comparison of state-space models with other modeling techniques.
    • Applications of state-space modeling in real-world converter scenarios.
  • Mod-08 Lec-22 Circuit Averaging - I
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module introduces circuit averaging techniques for analyzing converters. Key learning points include:

    • Understanding the principles of circuit averaging in converter analysis.
    • Application of circuit averaging to different converter topologies.
    • Benefits and limitations of using averaging techniques.
    • Practical examples of circuit averaging in converter design.
  • Mod-08 Lec-23 Circuit Averaging - II
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module focuses on Circuit Averaging techniques used in switched-mode power converters. Circuit averaging simplifies the analysis of converters by averaging the circuit over one switching period.

    Key topics covered include:

    • Definition and significance of circuit averaging
    • Mathematical modeling techniques
    • Application in analyzing converter performance
    • Comparison with traditional analysis methods
    • Impact on control strategies

    Understanding circuit averaging is crucial for designing efficient power converters with improved dynamic response.

  • Mod-08 Lec-24 State Space Model of Boost Converter
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module introduces the State Space Model of the Boost Converter, a vital topology in DC-DC conversion. It emphasizes the dynamic behavior and control aspects of the boost converter.

    Key points include:

    • State space representation fundamentals
    • Deriving the state space model for the boost converter
    • Analyzing system stability and response
    • Applications of the state space model in controller design

    The state space approach provides insights into the converter's operation under varying conditions, essential for robust controller implementation.

  • Mod-09 Lec-25 DC-DC converter controller
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module covers the fundamentals of DC-DC converter controllers. It focuses on how controllers regulate the output voltage and current of converters to ensure stability and performance.

    Key areas include:

    • Controller types and their applications
    • Feedback mechanisms
    • Performance metrics for controller effectiveness
    • Challenges in controller design

    Understanding these principles sets the stage for designing efficient power supplies that meet specific load requirements.

  • Mod-09 Lec-26 Controller Structure
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module delves into Controller Structure, an essential aspect of designing controllers for DC-DC converters. It outlines the framework for implementing effective control strategies.

    The topics include:

    • Basic components of controller architecture
    • Types of control strategies
    • Integration of sensors and feedback loops
    • Impact of structure on performance

    Understanding controller structure is crucial for optimizing converter efficiency and ensuring stable operation under varying load conditions.

  • Mod-09 Lec-27 PID Controller - I
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module introduces the first part of the PID Controller, a widely used control mechanism in power conversion. The focus is on understanding the proportional, integral, and derivative actions.

    Topics covered include:

    • Fundamentals of PID control
    • Mathematical representation of PID controllers
    • Role of each component in system response
    • Applications in power converters

    By mastering PID principles, students can effectively design controllers that enhance the performance of DC-DC converters.

  • Mod-09 Lec-28 PID Controller - II
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module continues the exploration of the PID Controller by examining its second component. It emphasizes how the integral action contributes to system stability and performance.

    The content includes:

    • Integrative control principles and effects
    • Design considerations for integral action
    • Real-world applications and case studies
    • Stability analysis in converter systems

    Understanding the integral component is vital for creating responsive and stable control systems in power converters.

  • Mod-09 Lec-29 PID Controller - III
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module completes the introduction of PID Controllers with an in-depth analysis of the derivative action. Understanding this component is key to improving transient response in control systems.

    Topics include:

    • Derivative control principles
    • Impact on system dynamics and stability
    • Practical applications in power conversion
    • Challenges in implementing derivative control

    Mastering the derivative component allows for the design of advanced control systems that can quickly respond to changes in load conditions.

  • Mod-09 Lec-30 Implementation of PID controller
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module focuses on the Implementation of PID controllers in DC-DC converters. It discusses various techniques to effectively apply PID control in real systems.

    Key points include:

    • Implementation challenges and solutions
    • Testing and validation methods
    • Impact of controller tuning on performance
    • Case studies of successful implementations

    Understanding implementation nuances is crucial for ensuring that theoretical designs translate effectively into practical applications.

  • Mod-10 Lec-31 Pulse Width Modulator
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module introduces Pulse Width Modulation (PWM), a critical technique in controlling the output of DC-DC converters. PWM plays a key role in adjusting the voltage and current levels.

    Topics covered include:

    • Fundamentals of PWM techniques
    • Types of modulation schemes
    • Applications in converter control
    • Advantages and limitations of PWM

    Understanding PWM is essential for designing effective converters that require precise output control.

  • Mod-11 Lec-32 Controller Design - I
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module discusses the first part of Controller Design, focusing on creating effective control algorithms for DC-DC converters. It emphasizes design principles and methodologies.

    Key areas include:

    • Design process and considerations
    • Controller performance evaluation criteria
    • Integration with converter topologies
    • Simulations and modeling techniques

    Mastering controller design principles is crucial for achieving desired performance and stability in power converters.

  • Mod-11 Lec-33 Controller Design -- II
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module continues with Controller Design, covering advanced strategies and techniques to enhance control performance in DC-DC converters.

    Topics include:

    • Advanced control strategies
    • Tuning methods for improved response
    • Case studies demonstrating successful designs
    • Evaluation of controller effectiveness

    Understanding advanced design techniques is essential for developing cutting-edge power converters that meet modern performance standards.

  • Mod-12 Lec-34 Controllers and Sensing Circuit
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module introduces Controllers and Sensing Circuits, focusing on how sensing components work in conjunction with controllers to regulate converter output.

    Topics include:

    • Types of sensing circuits
    • Integration with control systems
    • Impact on converter performance
    • Real-world applications of sensing circuits

    Understanding the role of sensing circuits is essential for developing robust control systems that enhance converter reliability and performance.

  • Mod-12 Lec-35 Regulation of Multiple outputs - I
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module focuses on the Regulation of Multiple Outputs, discussing methods to achieve stable and efficient regulation in converters supplying multiple output channels.

    Topics include:

    • Challenges in regulating multiple outputs
    • Design strategies for multi-output converters
    • Performance metrics and evaluations
    • Case studies of successful implementations

    Understanding these principles is crucial for designing versatile power supplies capable of meeting diverse load requirements.

  • Mod-12 Lec-36 Regulation of Multiple outputs - II
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module continues the discussion on Regulation of Multiple Outputs, delving deeper into practical applications and techniques to ensure efficient regulation across channels.

    Key areas include:

    • Advanced regulation techniques
    • Synchronization of multiple outputs
    • Performance optimization methods
    • Real-world applications and case studies

    Mastering these techniques is essential for creating power converters that can reliably serve multiple loads with varying demands.

  • Mod-12 Lec-37 Current Control
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module explores Current Control, focusing on strategies for managing output current in DC-DC converters. It emphasizes the importance of current regulation in enhancing converter performance.

    Topics covered include:

    • Current control methods
    • Impact on stability and performance
    • Applications in various converter topologies
    • Case studies showcasing successful current control

    Understanding current control techniques is crucial for designing converters that can operate efficiently under dynamic load conditions.

  • Mod-12 Lec-38 Unity Power Factor Converter
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module discusses the Unity Power Factor Converter, which is essential in power conversion processes. It emphasizes the importance of maintaining a unity power factor for efficiency.

    Key points include:

    • Definition and significance of unity power factor
    • Design strategies for achieving unity power factor
    • Impact on overall system performance
    • Applications in modern power systems

    Understanding unity power factor principles is key for optimizing power conversion systems and reducing energy losses.

  • Mod-13 Lec-39 Magnetic Design
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module introduces Magnetic Design, focusing on the principles and techniques for designing magnetic components in power converters. It covers the importance of magnetics in converter performance.

    Key topics include:

    • Types of magnetic components
    • Design considerations for inductors and transformers
    • Impact of magnetics on efficiency and performance
    • Real-world applications in converter systems

    Understanding magnetic design is crucial for enhancing the performance and reliability of switched-mode power converters.

  • Mod-14 Lec-40 DC-DC Converter Design
    Prof. L. Umanand, Prof. V. Ramanarayanan

    This module focuses on DC-DC Converter Design, providing insights into the process of designing converters that meet specific performance requirements. It emphasizes practical application and design methodologies.

    Key areas include:

    • Design process step-by-step
    • Selection of components and topologies
    • Testing and validation techniques
    • Case studies of successful designs

    Mastering the design of DC-DC converters is essential for engineers looking to create efficient and reliable power systems.