JNTUK R20 B.Tech EEE 3-1 Power Electronics Material/ Notes PDF Download

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JNTUK R20 B.Tech EEE 3-1 Power Electronics Material/ Notes PDF Download: 
In the B.Tech 3-1 curriculum of JNTUK R20, students delve into the realm of Power Electronics, encompassing a range of vital topics. This material equips students with comprehensive knowledge on the characteristics of various power semiconductor devices and the design of firing circuits for SCR. Additionally, it delves into the operation of single-phase full-wave converters, including the analysis of harmonics in the input current. Furthermore, students explore the intricacies of three-phase full-wave converters and different types of DC-DC converters. The material also covers inverters, elucidating their operation and the application of PWM techniques for voltage control and harmonic mitigation. Moreover, students gain insights into the operation of AC-AC regulators, contributing to a holistic understanding of power electronics principles.

JNTUK R20 B.Tech 3-1 Power Electronics  Material – Units

Unit 1 Syllabus PDF Download | JNTUK R20 B.Tech 3-1 Power Electronics  Material

Power Semi-Conductor Devices Silicon controlled rectifier (SCR) – Two transistor analogy – Static and Dynamic Characteristics – Turn on and Turn off Methods – Triggering Methods (R, RC, and UJT) – Snubber circuit design. Static and Dynamic Characteristics of Power MOSFET and Power IGBT– Gate Driver Circuits for Power MOSFET and IGBT – Numerical problems.

Unit 2 Syllabus PDF Download | JNTUK R20 B.Tech 3-1 Power Electronics  Material

Single Phase AC-DC Converters Single Phase half wave controlled rectifiers – R load and RL load with and without freewheeling diode – Single Phase fully controlled bridge converter with R load, RL load and RLE load – Continuous and Discontinuous conduction – Effect of source inductance in 1-phase fully controlled bridge rectifier with continuous conduction – Expression for output voltages – Single Phase semi Converter with R load, RL load and RLE load – Continuous and Discontinuous conduction – Harmonic Analysis – Single Phase Dual Converters – Numerical Problems

Unit 3 Syllabus PDF Download | JNTUK R20 B.Tech 3-1 Power Electronics  Material

Three-phase half-wave Rectifier with R and RL load – Three-phase fully controlled rectifier with R and RL load – Three-phase semi converter with R and RL load – Expression for Output Voltage – Harmonic Analysis – Three-phase Dual Converters – Numerical Problems.

Single-phase AC-AC power control by phase control with R and RL loads – Expression for rms output voltage – Single-phase step-down and step-up Cycloconverter – Numerical Problems.

Unit 4 Syllabus PDF Download | JNTUK R20 B.Tech 3-1 Power Electronics  Material

DC–DC Converters Operation of Basic Chopper – Classification – Control Techniques – Analysis of Buck, Boost, and Buck-Boost converters in Continuous Conduction Mode (CCM) and Discontinuous Conduction Modes (DCM) – Output voltage equations using volt-sec balance in CCM & DCM – Expressions for output voltage ripple and inductor current ripple- Numerical Problems.

Unit 5 Syllabus PDF Download | JNTUK R20 B.Tech 3-1 Power Electronics  Material

DC–AC Converters Introduction – Classification – Single Phase half bridge and full bridge inverters with R and RL loads – Unipolar & Bipolar Switching – Quasi-square wave pulse width modulation – Three Phase square wave inverters – 1200 conduction and 1800 conduction modes of operation – PWM inverters – Sinusoidal Pulse Width Modulation – Current Source Inverter (CSI) – Numerical Problems.

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JNTUK R20 B.Tech 3-1 PE Notes – Outcomes

• This course covers a variety of topics related to power semiconductor devices and their characteristics.
• It delves into the static and dynamic features of Silicon Controlled Rectifiers (SCRs), including their design of firing circuits.
• Furthermore, it explains the operation of single-phase full-wave converters, shedding light on harmonic analysis in the input current.
• Additionally, the course explores the functioning of three-phase full-wave converters and examines the operations of various DC-DC converters.
• Moreover, it elaborates on inverters’ functionality and the utilization of Pulse Width Modulation (PWM) techniques for voltage control and harmonic reduction.
• Lastly, the course delves into the operations of AC-AC regulators, offering a comprehensive understanding of power electronics principles.