E2063 Teknologi Elektrik 2 UNIT0

E2063/Unit 0/ 0

C 3363MECHANICAL SERVICES 2

NAWI BIN BERAHIM (PDT)MOHD HANAPI BIN JUSOH (PDT)

MODULE E 2063ELECTRICAL TECHNOLOGY 2

MALAYSIAPOLYTECHNICS

MINISTRY OF EDUCATION

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Name : Nawi bin BerahimAddress : Jabatan Kejuruteraan Mekanikal

Politeknik Dungun Terengganu Km 8, Jalan Paka 23000 Dungun

TerengganuTelephone No. : 09-8458820 ext.2047e-mail : [email protected] Qualifications : Bacelor of Engineering (Electronic/Computer)

Diploma in EducationPosition : Polytechnic Lecturer

Name : Mohd Hanapi bin JusohAddress : Jabatan Kejuruteraan Mekanikal

Politeknik Dungun Terengganu Km 8, Jalan Paka 23000 Dungun

TerengganuTelephone No. : 09-8458820 ext.2050e-mail : [email protected] Qualifications : Diploma in Mechanical Eng.(Metallurgy)

with Education Position : Polytechnic Lecturer

Proof Reader

Name : Krishnan a/l VengidasamyAddress : Jabatan Pengajian Am

Jalan Raja Musa Mahadi,Politeknik Ungku Omar, 31400, Ipoh, Perak

Telephone No. : 05-5457622 ext. 2225e-mail : [email protected] : M.Ed TESP (Exeter, UK), B.Ed TESL (UPM)

Sp. Cert. Ed. TESOL, Cert. Ed TESLPosition : Lecturer, English Language Unit

BIODATA OF MODULE WRITERSE2063 ELECTRICAL TECHNOLOGY

2

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What Do You Think Of This Module?

Title of Module: _______________________ Module Code : ___________

Student’s Name: _______________________ Registration No. : ___________

Course: ____________________________________

Module Writers: ______________________________

Please use the following scale for your evaluation:

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Instruction : Please on the space provided.

No. How much do you agree with the following statements? SCALE

A. FORMAT 1 2 3 4

1 The pages are organized in an interesting manner.2 The font size makes it easy for me to read the module.

3The size and types of pictures and charts used are suitable for the input.

4 The pictures and charts are easy to read and understand.5 The tables used are well-organised and easy to understand.6 The arrangement of the Input makes it easy for me to follow.7 All the instructions are displayed clearly.

B. CONTENTS 1 2 3 4

8 I understand all the objectives clearly.9 I understand the ideas conveyed.

10 The ideas are presented in an interesting manner.11 All the instructions are easy to understand.12 I can carry out the instructions in this module.13 I can answer the questions in the activities easily.14 I can answer the questions in the self-assessment.15 The feedback section can help me identify my mistakes.16 The language used is easy to understand.17 The way the module is written makes it interesting to read.18 I can follow this module easily.19 Each unit helps me understand the topic better.

20I have become more interested in the subject after using this module.

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CURRICULUM GRID

The curriculum grid of this module is based on the curriculum used by Malaysian polytechnics.

No. TOPIC UNIT TotalHours

1 Basic Principles of Electromagnetism

1(4 H)

4 Hours

2 Introduction to Direct Current Generator

2(2 H)

3(3 H)

5 Hours

3 Introduction to Direct Current Motor

4(4 H)

5(5 H)

9 Hours

4 Alternating Current Electric Machine

6 (3 H)

7(4 H)

7 Hours

5 Transformer 8(5 H)

5 Hours

UNIT 1 ELECTROMAGNETISM1.0 Current-carrying conductor and magnetism

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1.1 Magnetic field strength1.2 Magnetic Quantity Characteristics and Their Relevant Formulae1.3 Electromagnetic Induction

UNIT 2 INTRODUCTION TO DC GENERATOR (Part 1)

2.0 Types of D.C Generator2.1 Principles of operation of D.C generator

UNIT 3 INTRODUCTION TO DC GENERATOR (Part 2)3.1 Schematic circuit of D.C generator3.2 Electromotive Force generation3.3 Efficiency and Power Losses

UNIT 4 INTRODUCTION TO DC MOTOR (Part 1)4.0 Principles of operation of D.C motor4.1 Types of D.C Motor and their characteristics

UNIT 5 INTRODUCTION TO DC MOTOR (Part 2)5.1 Back Electromotive Force5.2 Factors that influence speed control of D.C motors5.3 Reverse direction methods5.4 Efficiency and Power Losses

UNIT 6 AC ELECTRIC MACHINES (Part 1)6.0 Principles of operation of A.C. generator (alternator)6.1 The differences between Alternator and DC Generator

UNIT 7 AC ELECTRIC MACHINES (Part 2)7.1 Introduction7.2 Three phase motor components7.3 The Differences between AC Motor and DC Motor7.4 Types of AC Motor7.5 Rotating Magnetic Field7.6 Types of Starting Induction Motor7.7 Reverse Direction of Motor Rotation

UNIT 8 TRANSFORMER 8.0 Introduction8.1 Principles of operation of transformer

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8.2 Types and uses of transformers8.3 E.m.f. equation of a transformer8.4 Transformer losses and Efficiency8.5 Principles of operation of Auto transformer

MODULE GUIDELINES

To achieve maximum benefits in using this module, students must follow the instructions carefully and complete all the activities.

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1. This module is divided into 5 units. 2. Each page is numbered according to the subject code, unit and page number.

E2063 / UNIT 1 / 5

Subject Unit 1 Page Number 5

3. The general and specific objectives are given at the beginning of each unit.4. 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.

ACTIVITIESThe activities in this section test your understanding of the subject matter. You have to complete this section by following the instructions carefully.

FEEDBACKAnswers to the questions in the activity section are given here

SELF-ASSESSMENTSelf-assessment evaluates your understanding of each unit.

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FEEDBACK ON SELF-ASSESSMENT This section contains answers to the activities in the self-assessment. .

5. You have to follow the units in sequence.6. 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 second semester who are following the Certificate/Diploma programmes in Malaysian Polytechnics. It aims to expose students to the Electrical Technology concept in each unit and to lead them towards self-directed learning or with guidance from their lecturers.

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PREREQUISITE SKILLS AND KNOWLEDGE

No prerequisite skills and knowledge

GENERAL OBJECTIVES

At the end of this module, students should be able to:

1. state the law of magnetic attraction and repulsion for two current-carrying conductors in close proximity

2. define magnetic flux, , and magnetic flux density, B3. define magnetomotive force, Fm, and magnetic field strength, H, and state their

units4. perfom simple calculations involving Fm = NI and H = NI/l5. understand that magnetic fields are produced by electric currents6. apply the screw rule and grip rule to determine magnetic field direction 7. recognize practical application of an electromagnet, i.e. electric bell, relay and

telephone receiver.8. appreciate factors upon which the force F on a current-carrying conductor depends9. perform calculation using F = BIl and F= BIl sin10. describe types of DC generators and their characteristics11. calculate generated emf for a generator using E = V+IaRa12. state typical applications of DC generators13. list DC machines loses and calculate efficiency14. calculate back emf for a DC motor using E = V – IaRa15. describe types of DC motor and their characteristics16. state typical applications of DC motors17. describe a DC motor starter18. describe methods of speed control of DC motors19. list types of enclosure for DC motors20. describe the principles of operation of an A.C Generator21. state the differences between DC motor and AC motor22. describe the principles of operation of an A.C motor23. state the synchronous speed, rotor speed and slip24. state and describe methods of starting induction motors25. describe how to reverse the direction of motor rotation.26. understand the principles of operation of a transformer

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27. use in calculations on transformers

28. describe transformer construction29. describe losses in transformer and calculate efficiency30. describe an auto transformer, its advantages/disadvantages and uses

TEACHING AIDS AND RESOURCES NEEDED

1. Calculator

REFERENCES

1. Christopher R Robertson – 2nd edition 2001. Fundamental Electrical & Electronic Principles: Newnes

2. John Bird – 2nd edition 2001. Electrical Circuit Theory and Technology: Newnes

3. D.F Warne (2000). Electrical Engineers Handbook: Newnes

4. Abd. Samad Hanif – Cetakan Pertama 2000. Prinsip Kejurteraaan Elektrik dan Elektronik : Dewan Bahasa Dan Pustaka

5. John Bird Reprint 2001– Electrical And Electrical Principles And Technology:Newnes

6. Mohd Isa bin Idris Cetakan Pertama 2000. Pengajian Kejuruteraaan Elektrik dan Elektronik : Dewan Bahasa Dan Pustaka

7. Stephen C. Harsany – © 2000. Introduction to Electronics : DC/AC Circuits : Prentice Hall

8. Thomas E. Kissel – Third Edition. Industrial Electronics Application for Programmable Controllers, Instrumentation and Process Control, and Electrical Machines and Motor Controls : Prentice Hall

9. Allan R. Hambley – Second Edition. Electrical Engineering Principles and Applications : Prentice Hall

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10. Abdul Latiff Md. Ahood - 1994. Mesin Elektrik : Penerbit USM

11. V.K. Mehta – First Edition 1996. Principles of Electrical Engineering and Electronics : Crescent

12. Donald G. Fink, H. Wayne Beaty – Fourteenth Edition. Standard Handbook For Electrical Engineers :McGraw-Hill International Edition

13. Edward Hughes – Eight Edition. Electrical Electronic Technology : Prentice Hall

14. http://www.tpub.com