UTILIZATION OF ELECTRICAL POWER (18EE742)

UTILIZATION OF ELECTRICAL POWER

Course Code 18EE742
CIE Marks 40
Teaching Hours/Week (L:T:P) (3:0:0) 
SEE Marks 60
Credits 03 
Exam Hours 03

Course Learning Objectives:

• To discuss electric heating, air-conditioning, and electric welding.
• To explain laws of electrolysis, extraction and refining of metals, and electrodeposition.
• To explain the terminology of illumination, laws of illumination, construction, and working of electric
lamps.
• To explain the design of interior and exterior lighting systems- illumination levels for various purposes
light fittings- factory lighting- flood lighting-street lighting
• To discuss systems of electric traction, speed time curves, and mechanics of train movement.
• To discuss motors used for electric traction and their control.
• To discuss braking of electric motors, traction systems, and power supply, and other traction systems.
• Give awareness of the technology of electric and hybrid electric vehicles.

Module-1

Heating and welding: Electric Heating, Resistance ovens, Radiant Heating, Induction Heating, High frequency Eddy Current Heating, Dielectric Heating, The Arc Furnace, Heating of Buildings, Air – Conditioning, Electric Welding, Modern Welding Techniques. Electrolytic Electro – Metallurgical Process: Ionization, Faraday’s Laws of Electrolysis, Definitions, Extraction of Metals, Refining of Metals, Electro Deposition.

Module-2

Illumination: Introduction, Radiant Energy, Definitions, Laws of Illumination, Polar Curves, Photometry, Measurement of Mean Spherical Candle Power by Integrating Sphere, Illumination Photometer, Energy Radiation and luminous Efficiency, electric Lamps, Cold Cathode Lamp, Lighting Fittings, Illumination for Different Purposes, Requirements of Good Lighting.

Module-3

Electric Traction Speed - Time Curves and Mechanics of Train Movement: Introduction, Systems
of Traction, Systems of electric Traction, Speed - Time Curves for Train Movement, Mechanics
of Train Movement, Train Resistance, Adhesive Weight, Coefficient of Adhesion. Motors for Electric traction: Introduction, Series and Shunt Motors for Traction Services, Two Similar Motors (Series Type) are used to drive a Motor Car, Tractive Effort and Horse Power, AC Series Motor, Three Phase 

Induction Motor. Control of motors: Control of DC Motors, Tapped Field Control or Control by Field Weakening, Multiple Unit Control, Control of Single Phase Motors, Control of Three Phase Motors.

Module-4

Braking: Introduction, Regenerative Braking with Three Phase Induction Motors, Braking with Single
Phase Series Motors, Mechanical braking, Magnetic Track Brake, Electro-Mechanical Drum
Brakes. Electric Traction Systems and Power Supply: System of Electric Traction, AC Electrification,
Transmission Lines to Sub-Stations, Sub–Stations, Feeding and Distribution System of AC Traction Feeding and Distribution System for DC Tramways, Electrolysis by Currents through Earth, Negative Booster, System of Current Collection, Trolley Wires. Trams, Trolley Buses, and Diesel – Electric Traction: Tramways, The Trolley – Bus, Diesel Electric Traction.

Module-5

Electric Vehicles: Configurations of Electric Vehicles, Performance of Electric Vehicles, Tractive Effort
in Normal Driving, Energy Consumption. Hybrid Electric Vehicles: Concept of Hybrid Electric Drive Trains, Architectures of Hybrid Electric Drive Trains.

Course Outcomes: At the end of the course the student will be able to:

• Discuss different methods of electric heating & welding.
• Discuss the laws of electrolysis, extraction, refining of metals and electro deposition process.
• Discuss the laws of illumination, different types of lamps, lighting schemes and design of lighting
systems.
• Analyze systems of electric traction, speed time curves and mechanics of train movement.
• Explain the motors used for electric traction, their control & braking and power supply system used
for electric traction.

Question paper pattern:

• The question paper will have ten full questions carrying equal marks.
• Each full question will be for 20 marks.
• There will be two full questions (with a maximum of four sub- questions) from each module.
• Each full question will have sub- question covering all the topics under a module.
• The students will have to answer five full questions, selecting one full question from each module.

Textbooks

1 A Text Book on Power System Engineering A. Chakrabarti et al DhanpatRai and Co 2nd Edition, 2010
2 Modern Electric, Hybrid Electric, and Fuel Cell Vehicles: Fundamentals Theory, and Design (Chapters 04 and 05 for module 5) Mehrdad Ehsani et al CRC Press 1st Edition, 2005

Reference Books

1 Utilization, Generation and Conservation of Electrical Energy Sunil S Rao Khanna Publishers 1st Edition, 2011
2 Utilization of Electric Power and Electric Traction G.C. Garg Khanna Publishers 9th Edition, 2014