Course Objectives:

To enable learners to gain knowledge and understanding in the following aspects:

1. Fundamentals of Power Electronic Devices and Characteristics.

2. To understand and acquire knowledge about various Converter Circuits.

3. To analyze and design different Power Converter Circuits.

4. Analysis of waveforms of choppers, rectifiers, AC Voltage Controllers, and different types of inverters using PSIMsoftware.

Course Outcomes:

The Learners will be able to:

1. Acquire knowledge about Fundamental Concepts and techniques used in Power electronics.

2. Ability to analyze various Single Phase and Three Phase Power Converter Circuits and

understand their applications.

3. Foster the ability to identify basic requirements for Power Electronics based design application.

4. To develop skills to build, and troubleshoot Power Electronics Circuits.

5. Foster ability to understand the use of Power Converters in Commercial and Industrial

Applications

What you will learn from the Course?

1. Basics of Power Semiconductor Devices like SCRs, Power BJTs, IGBTs, and MOSFETs.

2. The analysis of Power Circuits is presented with the Waveforms and Control Techniques.

3. The course discusses Power Processing Electronic Circuits like Rectifiers, AC Voltage Controllers, DC-DC converters, and Inverters.

4. Applications of Power Electronic Technology in the Generation sector, Transmission sector and also in day-to-day applications like Battery Charger, Motor Drives, Power Supplies are described.

MODULE-1: Power Semiconductor Devices

1. Silicon Controlled Rectifier (SCR)

1.1 Construction

1.2 Operation

1.3 Static & Dynamic characteristics

1.4 Two transistor model

1.5 Applications & Ratings

MODULE-2: Firing Circuits, Protection Circuits of SCR & Commutation circuits

1. Firing Circuits

i) Resistance Firing circuits

ii) RC Full wave Firing circuits

iii) UJT Ramp Firing circuits

iv) Ramp & Pedestal Firing circuits

2. Protection Circuits of SCR & Snubber circuit protection

MODULE-3: DC to DC Converters (Choppers)

3.1 Step- down chopper

3.2 Step- up chopper

3.3 Strategies for controlling the output voltage of Chopper

MODULE-4: AC to DC Converters (Rectifiers)

4.1 Single phase Fully Controlled AC-DC Converters with R-load

4.2 Single phase Fully Controlled AC-DC Converters with RL-load

4.3 Single phase Half Controlled AC-DC Converters (Semi-converters) with R-load

4.4 Single phase Half Controlled AC-DC Converters (Semi-converters) with RL-load

4.5 Three phase Fully Controlled AC-DC Converters with R-load

MODULE-5: AC to AC Converters (AC Voltage Controllers)

5.1 Single phase half wave AC voltage controller with R-load

5.2 Single phase full wave AC voltage controller with R-load

5.3 Single phase full wave AC voltage controller with RL-load

5.4 Two-Stage sequence control

MODULE-6: DC to AC Converters (Inverters)

6.1 Single phase Half bridge DC-AC Converters with R-load

6.2 Single phase Full bridge DC-AC Converters with R-load

6.3 Single phase Full bridge DC-AC Converters with RL-load