Electrical Engineering • 5th SemesterCore / Standard CurriculumChange Track

Electrical Engineering — 5th Semester Syllabus

Electrical Engineering

Credits Allocation Table (L-T-P Structure)

Course Title	Code	L	T	P	Credits
Power Systems-I (Apparatus and Modeling)	100507	3	0	0	3
Power Systems Lab - I	100507P	0	0	2	1
Control Systems	100502	3	0	0	3
Control Systems Lab	100502P	0	0	2	1
Microprocessors	100504	3	0	0	3
Microprocessors Lab	100504P	0	0	2	1
Power Electronics	100506	3	0	0	3
Power Electronics Lab	100506P	0	0	2	1
Program Elective - 1 (Linear Control System)	104503	3	0	0	3
OE-1(MOOC) MOOCs / SWAYAM / NPTEL Courses - 1	100511P	3	0	0	3
Summer Entrepreneurship-II	100510	0	0	12	6
Graduate Employability Skills and Competitive Courses (GATE, IES, etc.)	-	3	0	0	0
TOTAL	-	-	-	-	33

Power Systems-I (Apparatus and Modeling)

100507

Theory Course • 4 Units

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Module 1: Basic Concepts (4 hours)

Evolution of Power Systems and Present-Day Scenario
Structure of a power system: Bulk Power Grids and Micro-grids
Generation: Conventional and Renewable Energy Sources
Distributed Energy Resources
Energy Storage
Transmission and Distribution Systems: Line diagrams
Transmission and distribution voltage levels and topologies (meshed and radial systems)
Synchronous Grids and Asynchronous (DC) interconnections
Review of Three-phase systems
Analysis of simple three-phase circuits
Power Transfer in AC circuits and Reactive Power
Skin effect and Ferranti effect

Module 2: Power System Components (15 hours)

Overhead Transmission Lines and Cables: Electrical and Magnetic Fields around conductors, Corona
Parameters of lines and cables
Capacitance and Inductance calculations for simple configurations
Travelling-wave Equations
Sinusoidal Steady state representation of Lines: Short, medium and long lines
Power Transfer, Voltage profile and Reactive Power
Characteristics of transmission lines
Surge Impedance Loading
Series and Shunt Compensation of transmission lines
Transformers: Three-phase connections and Phase-shifts
Three-winding transformers, auto-transformers, Neutral Grounding transformers
Tap-Changing in transformers
Transformer Parameters
Single phase equivalent of three-phase transformers
Synchronous Machines: Steady-state performance characteristics
Operation when connected to infinite bus
Real and Reactive Power Capability Curve of generators
Typical waveform under balanced terminal short circuit conditions – steady state, transient and sub-transient equivalent circuits
Loads: Types, Voltage and Frequency Dependence of Loads
Per-unit System and per unit calculations

Module 3: Over-voltages and Insulation Requirements (4 hours)

Generation of Over-voltages: Lightning and Switching Surges
Protection against Over-voltages, Insulation Coordination
Propagation of Surges
Voltages produced by traveling surges
Bewley Diagrams

Module 4: Introduction to DC Transmission & Renewable Energy Systems (9 hours)

DC Transmission Systems: Line-Commutated Converters (LCC) and Voltage Source Converters (VSC)
LCC and VSC based dc link, Real Power Flow control in a dc link
Comparison of ac and dc transmission
Solar PV systems: I-V and P-V characteristics of PV panels, power electronic interface of PV to the grid
Wind Energy Systems: Power curve of wind turbine
Fixed and variable speed turbines
Permanent Magnetic Synchronous Generators and Induction Generators
Power Electronics interfaces of wind generators to the grid

Control Systems

100502

Theory Course • 5 Units

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Module 1: Introduction to control problem (4 hours)

Industrial Control examples
Mathematical models of physical systems
Control hardware and their models
Transfer function models of linear time-invariant systems
Feedback Control: Open-Loop and Closed-loop systems
Benefits of Feedback
Block diagram algebra
Signal flow graph

Module 2: Time Response Analysis (10 hours)

Standard test signals
Time response of first and second order systems for standard test inputs
Application of initial and final value theorem
Design specifications for second-order systems based on the time-response
Concept of Stability
Routh-Hurwitz Criteria
Relative Stability analysis
Root-Locus technique
Construction of Root-loci

Module 3: Frequency-response analysis (6 hours)

Relationship between time and frequency response
Polar plots, Bode plots
Nyquist stability criterion
Relative stability using Nyquist criterion – gain and phase margin
Closed-loop frequency response

Module 4: Introduction to Controller Design (10 hours)

Stability, steady-state accuracy, transient accuracy, disturbance rejection, insensitivity and robustness of control systems
Root-loci method of feedback controller design
Design specifications in frequency-domain
Frequency-domain methods of design
Application of Proportional, Integral and Derivative Controllers, Lead and Lag compensation in designs
Analog and Digital implementation of controllers

Module 5: State variable Analysis (6 hours)

Concepts of state variables
State space model
Diagonalization of State Matrix
Solution of state equations
Eigen values and Stability Analysis
Concept of controllability and observability
Pole-placement by state feedback
Discrete-time systems
Difference Equations
State-space models of linear discrete-time systems
Stability of linear discrete-time systems

Microprocessors

100504

Theory Course • 6 Units

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Module 1: Fundamentals of Microprocessors (7 Hours)

Fundamentals of Microprocessor Architecture
8-bit Microprocessor and Microcontroller architecture
Comparison of 8-bit microcontrollers, 16-bit and 32-bit microcontrollers
Definition of embedded system and its characteristics
Role of microcontrollers in embedded Systems
Overview of the 8051 family

Module 2: The 8051 Architecture (8 Hours)

Internal Block Diagram
CPU, ALU, Address, Data and Control bus
Working Registers, SFRs
Clock and RESET circuits
Stack and Stack Pointer
Program Counter
I/O ports
Memory Structures, Data and Program Memory
Timing diagrams and Execution Cycles

Module 3: Instruction Set and Programming (8 Hours)

Addressing modes: Introduction, Instruction syntax, Data types, Subroutines
Immediate addressing, Register addressing, Direct addressing, Indirect addressing, Relative addressing, indexed addressing
Bit inherent addressing, bit direct addressing
8051 Instruction set, Instruction timings
Data transfer instructions, Arithmetic instructions, Logical instructions
Branch instructions, Subroutine instructions, Bit manipulation instruction
Assembly language programs, C language programs
Assemblers and compilers
Programming and debugging tools

Module 4: Memory and I/O Interfacing (6 Hours)

Memory and I/O expansion buses, control signals, memory wait states
Interfacing of peripheral devices such as General Purpose I/O, ADC, DAC, timers, counters, memory devices

Module 5: External Communication Interface (6 Hours)

Synchronous and Asynchronous Communication
RS232, SPI, I2C
Introduction and interfacing to protocols like Blue-tooth and Zig-bee

Module 6: Applications (6 Hours)

LED, LCD and keyboard interfacing
Stepper motor interfacing, DC Motor interfacing, sensor interfacing

Power Electronics

100506

Theory Course • 4 Units

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Module 1: Power switching devices (8 Hours)

Diode, Thyristor, MOSFET, IGBT: I-V Characteristics
Firing circuit for thyristor
Voltage and current commutation of a thyristor
Gate drive circuits for MOSFET and IGBT

Module 2: Thyristor rectifiers (7 Hours)

Single-phase half-wave and full-wave rectifiers
Single-phase full-bridge thyristor rectifier with R-load and highly inductive load
Three-phase full-bridge thyristor rectifier with R-load and highly inductive load
Input current wave shape and power factor

Module 3: DC-DC converter (10 Hours)

Elementary chopper with an active switch and diode
Concepts of duty ratio and average voltage
Power circuit of a buck converter, analysis and waveforms at steady state
Duty ratio control of output voltage
Power circuit of a boost converter, analysis and waveforms at steady state
Relation between duty ratio and average output voltage

Module 4: Single-phase and 3-phase voltage source inverter (14 Hours)

Power circuit of single-phase voltage source inverter
Switch states and instantaneous output voltage
Square wave operation of the inverter
Concept of average voltage over a switching cycle
Bipolar sinusoidal modulation and unipolar sinusoidal modulation
Modulation index and output voltage
Power circuit of a three-phase voltage source inverter
Switch states, instantaneous output voltages
Average output voltages over a sub-cycle
Three-phase sinusoidal modulation
Current Source Inverter

Program Elective - 1: Linear Control System

104503

Theory Course • 5 Units

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1. Control Systems (8 Hrs.)

Basics & Components, Introduction to basic terms, Classifications and types of Control Systems
Block diagrams & Signal flow graphs
Transfer function, Determination of transfer function using Block diagram reduction techniques and Mason's Gain formula
Control system components: Electrical, Mechanical, Electronic, AC/DC Servo Motors, Stepper Motors, Tacho Generators, Synchro's, Magnetic Amplifiers, Servo Amplifiers

2. Time-Domain Analysis (8 Hrs.)

Time domain performance specifications
Transient response of first and second order systems
Steady state errors and Static error constants in unity feedback control systems
Response with P, PI and PID controllers
Limitations of time domain analysis