MPP 301.doc

Learning Outline Draft, Vocational College, MoE

MINISTRY OF EDUCATION, MALAYSIA

TEACHING OUTLINE

CONFIDENTIAL

PROGRAMME

COURSE:: MECHANICAL AND MANUFACTURING ENGINEERING AND TECHNOLOGYAIR CONDITIONING AND REFRIGERATION

MODUL CODE: MPP 301

MODULE TITLE:ELECTRIC MOTOR AND MOTOR CONTROL

LEVEL:2 SEMESTER 3

CREDIT UNIT:3.0

CONTACT HOUR:THEORY 1.0 HOURS / WEEK

PRACTICAL 4.0 HOURS / WEEK

PREREQUISITE:-

NO. OF COMPETENCY:9 COMPETENCIES

MODULE OUTCOMES

At the end of the course, the students should be able to:-

1. Basic electricity for refrigeration and air-conditioning2. Magnetic fundamental

3. Diagnose the electrical system - Direct On Line ( DOL ) starter

4. Diagnose the electrical system - sequence motor control

5. Diagnose the electrical system - star delta

6. Diagnose the electrical system - auto transformer starter

7. Check the load consumption

8. Check & service single phase electrical motor

9. Check & service three phase electrical motor

MODULE DESCRIPTION

This course is designed as an introduction in fundamantals of electricity and electronics used in refrigeration and air conditioning field , basic of electric , ohms law, magnetic fundamental, computers in refrigeration controls, components of an electrical circuit, electrical symbols, single phase and three phase electric motor, types of electrics motor, servicing electric motor and motor controls used in RAC systems.COMPETENCY 1:BASIC ELECTRICITY FOR REFRIGERATION AND AIR-CONDITIONING

CONTENT STANDARD 1. BASIC ELECTRICITY FOR REFRIGERATION AND AIR-CONDITIONINGLEARNING STANDARD

1. Define the term electricity and electronics

2. Distinguish between types of electricity static and current.

3. Explain the difference between direct and alternating current.

4. Explain electricity supply system.

5. Explain the difference between parallel circuits and series circuits.

6. Describe the basic theory of electric motors and related devices.

7. Use various electrical formulas to solve problems

8. Explain the use of computers in refrigeration controls.

9. Identify the electrical symbols

10. Follow approved safe procedures.TEACHING STRATEGIES 1. explain the term electricity and electronics according to IEE regulation.2. explain how to generate static electricity according to proper procedure.3. explain how to generate current electricity according to proper procedure.4. describe the definition of direct current according to electrical standard.5. describe the definition of alternating current according to electrical standard.6. discuss alternating current single phase and three phase supplied by TNB.

7. state voltage and frequency supply by TNB .

8. identify live wire, neutral wire and earth according to color-coded in electrical supply system.

9. describe the definition and uses series circuits according to electric standard.10. describe the definition and uses parallel circuits according to electric standard.11. describe the definition and uses series- parallel circuits according to electric standard.

12. Use Ohms Law to solve series-parallel circuit explain various types of electrical measuring instruments13. use various types of electrical measuring instruments to check series-parallel circuit according to proper procedure.14. explain the basic theory of electric motors and related device according to electric standard.15. calculate by use various electrical formulas to solve problems in electric according to electric theory.16. use of computers in refrigeration and air-conditioning industry control accordingly latest technology17. list the electrical symbols correctly use in RAC industry.18. obey safety procedures in handling electrical equipment accordingly to safety and health regulation.SUGGESTED LEARNING ACTIVITIES1. MEMBERI CADANGAN AKTIVITI KERJA AMALI YANG BERKAITAN DENGAN KEPERLUAN CONTENT DAN LEARNING STANDARD.

CONTOH

SUGGESTED ITEM EVALUATION1. ITEM PENTAKSIRAN DIBINA BERDASARKAN GARIS PANDUAN INSTRUMEN PENTAKSIRAN YANG AKAN DITENTUKAN OLEH LEMBAGA PEPERIKSAANCOMPETENCY 2:MAGNETIC FUNDAMENTAL

CONTENT STANDARD MAGNETIC FUNDAMENTALLEARNING STANDARD

1. describe the magnetic flux

2. describe the electromagnet3. discuss the operating principles of electric motors .TEACHING STRATEGIES 1. explain the definition of magnetic flux according to electric standard. 2. explain how the electromagnetic generated correctly .

3. identify the polarity of the electromagnet using a Cork Screw Rule.

4. specify the use of electromagnet in electric motor.

5. justify the electrical components in RAC field using electromagnet principles.6. various types of single phase motor use in RAC are identified :7. Split-phase motor8. Capacitor start induction run motor9. Capacitor start capacitor run motor10. Permanent split capacitor motor11. shaded pole motor 12. name the parts of the electric motor construction.13. functions of electric motors parts are explain correctly.

SUGGESTED LEARNING ACTIVITIES

2. MEMBERI CADANGAN AKTIVITI KERJA AMALI YANG BERKAITAN DENGAN KEPERLUAN CONTENT DAN LEARNING STANDARD.

CONTOH

Menerangkan kedudukan pendesak (turbocharger) pada enjin sebenar berpandukan sevis manual pengeluar.

Menerangkan kegunaan waste gate pendesak berpandukan sevis manual pengeluar.

Menerangkan kendalian pendesak (turbocharger) Mengenalpasti komponen-komponen pendesak (turbocharger).

SUGGESTED ITEM EVALUATION

3. ITEM PENTAKSIRAN DIBINA BERDASARKAN GARIS PANDUAN INSTRUMEN PENTAKSIRAN YANG AKAN DITENTUKAN OLEH LEMBAGA PEPERIKSAANCOMPETENCY 3:DIAGNOSE THE ELECTRICAL SYSTEM DIRECT ON LINE STARTER( DOL )

CONTENT STANDARD DIAGNOSE THE ELECTRICAL SYSTEM DIRECT ON LINE STARTER ( DOL )LEARNING STANDARD

1. service the components2. check all electrical wiring

3. Identify defective components or cables4. Repair all defective components or cablesTEACHING STRATEGIES 1. switch off the system according to correct procedure.2. clean electrical components according to proper procedure. 3. perform testing components according to proper method.4. perform checking components according to proper method.

5. Interpret DOL wiring circuits according to blueprint.

6. wire DOL control circuit according to blue print.

7. wire DOL main circuit according to blue print.

8. defective components or cables are identified according to proper procedure.

9. Identify all defective components or cables according to procedure.10. Replace all defective components according to proper procedure



CONTOH

Mengenalpasti tekanan supercharger boost berpandukan sevis manual pengeluar.

Mengambil bacaan vacuum / pressure gauge. Menanggal supercharger belt / chain. Memasang supercharger belt / chain.SUGGESTED ITEM EVALUATION

2. ITEM PENTAKSIRAN DIBINA BERDASARKAN GARIS PANDUAN INSTRUMEN PENTAKSIRAN YANG AKAN DITENTUKAN OLEH LEMBAGA PEPERIKSAANCOMPETENCY 4:DIAGNOSE THE ELECTRICAL SYSTEM SEQUENCE CONTROL

CONTENT STANDARD DIAGNOSE THE ELECTRICAL SYSTEM SEQUENCE CONTROLLEARNING STANDARD

1. service the components2. check all electrical wiring

3. Identify defective components or cables4. Repair all defective components or cablesTEACHING STRATEGIES 1. switch off the system according to correct procedure.

2. clean electrical components according to proper procedure. 3. perform testing components according to proper method.4. perform checking components according to proper method.5. interpret sequence control wiring circuit according to blue print

6. wire control circuit sequence control according to blue print.7. wire main circuit according to wiring diagram.

8. defective components or cables are identify according to proper procedure.

9. repair or replace all defective components or cables according to specification

10. reset all setting according to specification11. adjust all setting according to specification

12. check the wiring correctly according to blue print.



CONTOH



4. ITEM PENTAKSIRAN DIBINA BERDASARKAN GARIS PANDUAN INSTRUMEN PENTAKSIRAN YANG AKAN DITENTUKAN OLEH LEMBAGA PEPERIKSAANCOMPETENCY 5:DIAGNOSE THE ELECTRICAL SYSTEM-STAR DELTA

CONTENT STANDARD DIAGNOSE THE ELECTRICAL SYSTEM SEQUENCE CONTROLLEARNING STANDARD

1. service the components2. check all electrical wiring3. Identify defective components or cables4. readjust all setting5. test and confirm the electrical systemTEACHING STRATEGIES 1. switch off the system according to correct procedure.

2. clean electrical components according to proper procedure. 3. perform testing components according to proper method.4. perform checking components according to proper method.5. interpret sequence control wiring circuit according to blue print

6. wire control circuit sequence control according to blue print.7. wire main circuit according to wiring diagram.

8. defective components or cables are identify according to proper procedure.

9. repair or replace all defective components or cables according to specification


12. check the wiring correctly according to blue print.



CONTOH



6. ITEM PENTAKSIRAN DIBINA BERDASARKAN GARIS PANDUAN INSTRUMEN PENTAKSIRAN YANG AKAN DITENTUKAN OLEH LEMBAGA PEPERIKSAANCOMPETENCY 6:DIAGNOSE THE ELECTRICAL SYSTEM AUTO TRANSFORMER STARTER

CONTENT STANDARD DIAGNOSE THE ELECTRICAL SYSTEM AUTO TRANSFORMER STARTERLEARNING STANDARD

1. service the components2. check all electrical wiring3. Identify defective components or cables4. readjust all setting5. test and confirm the electrical systemTEACHING STRATEGIES 1. switch off the system according to correct procedure.

2. clean electrical components according to proper procedure.3. perform testing components according to proper method.4. perform checking components according to proper method.5. interpret auto-transformer wiring circuit according to blue print6. wire control circuit auto-transformer according to blue print.7. wire main circuit auto-transformer according to wiring diagram.8. defective components or cables are identify according to proper procedure.9. repair or replace all defective components or cables according to specification


12. check the wiring correctly according to blue print.SUGGESTED LEARNING ACTIVITIES7. MEMBERI CADANGAN AKTIVITI KERJA AMALI YANG BERKAITAN DENGAN KEPERLUAN CONTENT DAN LEARNING STANDARD.

CONTOH



8. ITEM PENTAKSIRAN DIBINA BERDASARKAN GARIS PANDUAN INSTRUMEN PENTAKSIRAN YANG AKAN DITENTUKAN OLEH LEMBAGA PEPERIKSAANCOMPETENCY 7:CHECK THE LOAD CONSUMPTION

CONTENT STANDARD CHECK THE LOAD CONSUMPTIONLEARNING STANDARD

1. Compute power consumption of the load2. Adhere to safety factors

TEACHING STRATEGIES 1. Run electric system with load

2. Read and record voltage and running ampere according to proper procedure.

3. compute load consumption and compare load consumption according to specification

4. adhere all safety factors accordingly.



CONTOH



10. ITEM PENTAKSIRAN DIBINA BERDASARKAN GARIS PANDUAN INSTRUMEN PENTAKSIRAN YANG AKAN DITENTUKAN OLEH LEMBAGA PEPERIKSAANCOMPETENCY 8:CHECK & SERVICE SINGLE PHASE ELECTRIC MOTOR

CONTENT STANDARD CHECK & SERVICE SINGLE PHASE ELECTRIC MOTORLEARNING STANDARD

1. disconnect motor from electrical system

2. Identify defective parts3. Install motor to the system4. adhere to safety factorsTEACHING STRATEGIES 1. switch off the motor power according to correct procedure

2. clean the exterior part of the motor according to proper procedure3. use various electrical measuring instruments to identify fault according to proper procedure.

4. dismantle and assembling various types of single phase motors accordance to service manual.

5. repair or replace defective parts according to proper procedure

6. check defective parts of the motor accordance to service and repair manual.

7. install motor correctly accordance to service manual.8. test run the motor accordance to service manual.9. motor performance is check accordance to specification.

10. adhere all safety factors accordingly.SUGGESTED LEARNING ACTIVITIES


CONTOH



12. ITEM PENTAKSIRAN DIBINA BERDASARKAN GARIS PANDUAN INSTRUMEN PENTAKSIRAN YANG AKAN DITENTUKAN OLEH LEMBAGA PEPERIKSAANCOMPETENCY 9:CHECK & SERVICE THREE PHASE ELECTRIC MOTOR

CONTENT STANDARD CHECK & SERVICE THREE PHASE ELECTRIC MOTOR

LEARNING STANDARD

1. disconnect motor from electrical system

2. Identify defective parts3. Install motor to the system4. adhere to safety factorsTEACHING STRATEGIES 1. switch off the motor power according to correct procedure

2. clean the exterior part of the motor according to proper procedure3. use various electrical measuring instruments to identify fault according to proper procedure. 4. dismantle and assembling various types of single phase motors accordance to service manual.

5. repair or replace defective parts according to proper procedure

6. check defective parts of the motor accordance to service and repair manual.

7. install motor correctly accordance to service manual.8. test run the motor accordance to service manual.9. motor performance is check accordance to specification.

10. safety factors must be follow accordingly to safety and health regulation.SUGGESTED LEARNING ACTIVITIES


CONTOH



14. ITEM PENTAKSIRAN DIBINA BERDASARKAN GARIS PANDUAN INSTRUMEN PENTAKSIRAN YANG AKAN DITENTUKAN OLEH LEMBAGA PEPERIKSAAN

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MPP 301.doc