COURSE OUTLINE ENERGY CONVERSION

COURSE OUTLINE IN EE105

Course Number: EE 105
Course Title: ENERGY CONVERSION
Credit: 4 units (3 hrs Lecture, 3 hrs Laboratory)
Pre-requisite: Co-requisite:
Course Description: This course provides an introduction to energy conversion. Emphasis is placed upon the development of motors and generators. Topics include: Electrical Machinery Generalization DC Generator and Motor Principles Generator and Motor Constructions, DC Generator Characteristics
DC motor Characteristics Efficiency, Ratings and Applications of Dynamos AC Generators, Transformers, Batteries.

Inclusive Date Topics to be covered in the Course:
I. Electrical Machinery Generalization

1. Rotating Electrical Machines
2. Armature Windings
3. Field poles
4. Types of DC Generators
5. Voltage Characteristics of DC motors
6. Transformers

QUIZ 1
II. DC Generator and Motor Principles

1. Principle of Generator Action
2. Faradays Law
3. General Voltage Equation for DC Generator
4. Direction of Generated Voltage
5. Lorentz Law
6. Lenz Law
7. Force and Torque Developed by DC Motors

QUIZ 2

QUIZ 3

III. Generator and Motor Constructions

1. Types of Armature windings
2. Coin span for all types of winding
3. Commutator pitch for lap windings
PRELIM EXAM

QUIZ 4
IV. DC Generator Characteristics
1. Types of DC Generators
2. No load characteristics of generators
3. Degrees of Compounding Adjustment


QUIZ 5
V. DC motor Characteristics
1. Operating differences between motors and generators
2. Classification of Dc motors
3. Counter EMF
4. Voltage generated by a motor
5. Starting a DC motor

QUIZ 6

VI. Efficiency, Ratings and Applications of Dynamos
1. Power losses in dynamos
2. Efficiency of Dc motors and generators
3. Importance of Efficiency
4. Rating of Generators and motors

QUIZ 7

VII. AC Generators

1. Alternator Construction
2. Frequency of AC generators
3. The Revolving Field



QUIZ 8

VIII. Transformers

1. Transformer Action
2. Transformer Construction
3. Transformer voltage and the general transformer equation
4. Voltage and current ratios in transformers

QUIZ 9


IX. Batteries

1. Primary Cells
2. Lead Acid batteries
3. Specific Gravity
4. Hydrometers
5. Water for Batteries
6. Capacity of a batteries
7. Maintaining lead-Acid Cells
8. Other chemical Cells

Basis Grading:

*quizzes will be unannounced
*expect a quiz after the topic
Passing Cut-off Score = 75%
Subject Grade = Lec (75%) + Lab (25%)
Lec Grade = ((PG+ MG + FG)/3)
Lab Grade = ((PG+ MG + FG)/3)

Lecture: Per Period Laboratory: Per Period
Quizzes 40% Lab Work 30%
Lab Exam 20%
Major Exam 60% Practical Exam 50%
100%
100%

Schedule of Major Examination:
Prelim Exams July 25-26, 2005 Mon. & Tue.
Midterm Exams September 1-2, 2005 Thurs. & Fri.
Final Exams October 10-13, 2005 Mon – Thurs.

INSTRUCTIONAL MATERIALS:
TEXT: Electrical Machineries
By: Charles Siskind

REFERENCES: Industrial Electronics
By: Timothy J. Maloney