Course Details

Subject {L-T-P / C} : EE6446 : Embedded Control of Power Converters {3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Gopalakrishna Srungavarapu


Introduction: Review of an 8-bit microprocessor and peripheral devices Review of power electronic converters Overview of microcomputer control of power electronic systems. Intel 8051/8052 Microcontroller: Introduction, architecture, functional diagram, pin description, CMOS and HMOS microcontrollers and their difference, oscillator, CPU Timing, Intel 8031 and 8751. Memory Organization: Accessing external program and data memory, internal data memory, special function registers, hardware interfacing, timing diagrams, I/O expansion. I/O Ports and Timer: Internal structure of ports P0, P1, P2 and P3, alternative functions of port P3 Timer and counter operation, TM0, TM1 and TM2, modes of operation Applications. Programming: Addressing modes Instruction set: Data transfer group, arithmetic group, logical group, control group and Boolean processing capability Programming and erasing EPROM. Interrupts: Types of interrupts, interrupt priority and interrupt enable registers, processing of interrupt, single-step operation. Microprocessor Controlled Converters: Firing pulse generation of single-phase and three-phase converters, dual converter, PWM converter Control techniques. Microprocessor Controlled Choppers: Firing pulse generation of single-quadrant and multi-quadrant choppers Control techniques. Microprocessor Controlled Inverters: Firing pulse generation of voltage source square wave and PWM inverters, three-timer and four-timer methods, foreground and background calculation Firing pulse generation for PWM current source inverter.

Course Objectives

  1. Understand about microcomputer control of power electronic system
  2. Understand the basic principle of data acquisition through microcontrollers

Course Outcomes

At the end of the course, the student will be able to develop microprocessor programs for switching power electronic converters and choose a proper microcontroller for a particular application in power electronics.

Essential Reading

  1. G. K.. Dubey, Power Semiconductor Controlled Drives, Prentice Hall International Editions , 2001
  2. B. K. Bose, Power Electronics and Variable Frequency Drives, IEEE Press, Standard Publisher Distributors , 2001

Supplementary Reading

  1. K. J. Ayala, The 8051 Microcontroller- Architecture, Programming and Applications, Cengage Learning , 2008
  2. D.V. Hall, Microprocessor and Interfacing –Programming and Hardware, Tata McGraw-Hill Publishing Company Limited , 2008