UNIT 1 DIRECT CURRENT (DC) MACHINERY (PART I)
1.0 Introduction to DC generator
1.1 The mechanism of DC generator
1.2 The main part of DC generator
1.3 Techniques of excitation field by DC generator
1.4 The basic type of self-excitation circuit
UNIT 2 DIRECT CURRENT (DC) MACHINERY (PART II)
2.1 Pinciple of DC generator
2.2 The formulae of the generate voltage;
2.3 The formulae of the terminal voltage;
UNIT 3 DIRECT CURRENT (DC) MACHINERY (PART III)
3.0 Introduction to DC motor
3.1 The concept of back EMF
3.2 The formulae of input voltage;
3.3 The formulae of torque by using power out put and speed rotation parameters;
UNIT 4 DIRECT CURRENT (DC) MACHINERY (PART IV)
4.1 The circuit and characteristic curve
4.2 The relation between speed motor and the change of flux and armature resistance
UNIT 5 ALTERNATING CURRENT (AC) MACHINERY (PART I)
5.0 Principle of alternator
5.1 The construction mechanism of alternator
5.2 The synchronous concept based on relation of speed, drive; generate frequency and number of pole
5.3 The basic formulae of AC generator voltage generate;
UNIT 6 ALTERNATING CURRENT (AC) MACHINERY (PART II)
6.1 Three phase induction motor
6.2 The basic construction of the three phase induction motor
6.3 Construction of the three phase squirrel cage induction motor and the three phase slip ring induction motor
6.4 The differences of squirrel cage induction motor and the slip ring induction motor
UNIT 7 ALTERNATING CURRENT (AC) MACHINERY (PART III)
7.0 Introduction
7.1 The development of rotating field in three phase
7.2 The development of induce torque in an AC motor
7.3 The concept of rotor slip
UNIT 8 ALTERNATING CURRENT (AC) MACHINERY (PART IV)
8.1 Operation principle of single phase motor
8.2 The development of rotating magnetic field in single phase
8.3 Auxiliary winding and main winding in split phase motor
8.4 Types and characteristics for starting single phase induction motor
UNIT 9 ALTERNATING CURRENT (AC) MACHINERY (PART V)
9.0 Introduction to synchronous motors
9.1 Basic principle of synchronous motors
9.2 Starting synchronous motors
9.3 Characteristics of three types exciting synchronous motors
UNIT 10 ELECTRIC MOTOR CONTROLLER (PART I)
10.0 Introduction to motor controller
10.1 Definition of motor controller
10.2 Components and symbols of motor controller
10.3 The main circuit and controller block diagram
UNIT 11 ELECTRIC MOTOR CONTROLLER (PART II)
11.0 Introduction to motor protection
11.1 Over current protection
11.2 Under-voltage protection
11.3 IEE rules
UNIT 12 AIR CONDITIONING (PART I)
12.0 Introduction
12.1 Definition of air conditioning
12.2 Types domestic air conditioning
12.3 Types of gas in air conditioning system
12.4 IEE rules
UNIT 13 AIR CONDITION (PART II)
13.1 The final circuit for air conditioning unit
13.2 Protection rate for air conditioning unit
13.3 Wiring cable size for air conditioning
MODULE GUIDELINES
To achieve maximum benefits in using this module, students must follow the instructions carefully and complete all the activities.
This module is divided into 13 units.
Each page is numbered according to the subject code, unit and page number.
E3106 / UNIT 1 / 5
Subject Unit 1 Page Number 5
The general and specific objectives are given at the beginning of each unit.
The activities in each unit are arranged in a sequential order and the following symbols are given:
OBJECTIVES
The general and specific objectives for each learning topic are stated in this section.
INPUT
This section introduces the subject matter that you are going to learn.
ACTIVITIES
The activities in this section test your understanding of the subject matter. You have to complete this section by following the instructions carefully.
FEEDBACK
Answers to the questions in the activity section are given here
SELF-ASSESSMENT
Self-assessment evaluates your understanding of each unit.
FEEDBACK OF SELF-ASSESSMENT
This section contains answers to the activities in the self-assessment.
You have to follow the units in sequence.
You may proceed to the next unit after successfully completing the unit and you are confident of your achievement.
GENERAL AIMS
This module is prepared for students in the third semester who are following the Certificate/Diploma programmes in Malaysian Polytechnics. It aims to expose students to the Mathematical concept in each unit and to lead them towards self-directed learning or with guidance from their lecturers.
PREREQUISITE SKILLS AND KNOWLEDGE
The prerequisite for this module is at least a pass in Mathematics at the SPM level and a successful completion of module E2001.
GENERAL OBJECTIVES
At the end of this module, students should be able to:
To understand the construction concept of direct current (DC) generator
To application of theoretical in solving mathematic of direct current (DC) generator
To understand the principle of the direct current (DC) motor
To understand and interpret the concept of DC motor
To understand the alternator
To understand and compare the three phase induction motor
To understand three phase induction motor
To interpret the concept of single-phase motors
To interpret and apply the concept of synchronous motors
To know and understand the basic of motor controller
To know the concept of motor protection
To know the concept of air conditioning
TEACHING AIDS AND RESOURCES NEEDED
Calculator
Laboratory machines and control
REFERENCES
H. Wayne Beaty & James L. Kirtley, Jr – (1998). Electric Motor
Handbook.McGraw-Hill. New York
2. Stephen J. Chapman – 3rd (1999). Electric Machinery Fundamentals;
McGraw-Hill Companies. New York : Schaums
3. Theodore Wildi – 5th (2002) . Electrical Machines,Drives, And Power Systems;
Prentice Hall
Hughes, (1994) . Electrical Technology . Longman Malaysia Sdn. Bhd
J.M Hyde (1994). Electrical Installation Principles and Prahles. Macmillan
Press Ltd
R.S Kurmi & J.K Gupta (2001). A Text Book of Refrigeration and air
Conditioning. Eurasia Publishing House (P) Ltd
William C. Whitman & William M. Johnson (0987). Refrigeration &
Conditioning Technology. Delmar Publisher INC
Rex Miller (1988). Electricity for Heating, Air conditioning and
Refrigeration. Harcout Brace Joranorich Publishers
Ray C. Mullin & Robert L. Smith (1993). Electrical Wiring Commercial 8th
edition. Delmar Publishers INC
C P Arora (2002). Refrigeration and Air Conditioning. Tata McGraw hill
Publishing Company Ltd
B.L Theraja & A.K Theraja (1994). A Text Book of Electrical Technology.
Nirja const & dev. Co. (P) Ltd.