December Edition
2013
MINISTRY OF EDUCATION, MALAYSIA COURSE INFORMATION
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December 2013
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PROGRAMME
:
ELECTRICAL TECHNOLOGY
COURSE NAME
:
DIRECT CURRENT MACHINES
CODE NAME
:
ETE 104
LEVEL
:
1 SEMESTER 1
CREDIT UNIT
:
4.0
CONTACT HOUR
:
FACE TO FACE
: 6.0 HOURS/WEEK
NON FACE TO FACE
:
COURSE TYPE
:
VOCATIONAL
PREREQUISITE
:
-
CORE REQUISITE
:
-
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December Edition
2013
COURSE OUTCOMES At the end of the course, students should be able to:1. 2. 3. 4. 5. 6. 7.
State the principle operation of DC motor and DC generator. Identify DC motor starter. Construct torque curve of DC motor. Drawing circuits of face plate starter. Connect DC motor, motor control unit and DC generator. Operate DC motor. Operate DC generator.
COURSE DESCRIPTION This course is designed to equip the students with knowledge in electrical principle operation of DC motor, DC generator, and operation as preparation to the careers as a technician and eventually pursue courses at higher certificate level. The course also covers the principle operation of DC motor and DC generator, DC motor starter and operate DC motor to enable students understand and applied the key concepts and principles of electrical circuit and fault. The course is formulated by taking into consideration the relevant principle operation of DC motor and DC generator, DC motor starter and operate DC motor covered in this course, which are extended further to broaden the students competence in electrical installation and testing.
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December Edition
2013
CONTENT AND LEARNING STANDARDS
PROGRAMME
:
ELECTRICAL TECHNOLOGY
COURSE NAME
:
DIRECT CURRENT MACHINES
CODE NAME
:
ETE 104
CONTENT STANDARD 1. OPERATE DIRECT CURRENT (DC) MOTOR
LEARNING STANDARD 1.1 Define the production of electricity in 1.1.1 the armature propulsion.
1.2 Explain function of DC motor.
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PERFORMANCE CRITERIA Clarify response force concerning electricity production according to motor specifications.
1.1.2
Define motor operating principle according to motor specifications.
1.2.1
Describe Faraday’s Law according to electrical term.
1.2.2
List characteristics of magnetic field according to electrical term.
1.2.3
Identify function of armature according to motor specification.
1.2.4
Identify function of commutator according to motor specification.
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December Edition
1.3 State types of DC motors.
1.4 Describe terms used in the DC motor.
1.5 Construct torque curve of motor.
1.6 Obtain starter and DC motor.
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1.3.1
Identify types and characteristics of DC motor according to motor specification.
1.3.2
Differentiate types of DC motors according to motor specification.
2.1
Define back electromotive force (EMF) according to electrical term.
2.2
Define the armature reaction according to motor specification.
2.1
Draw torque curve of series motor according to specification.
2.2
Draw torque curve of shunt motor according to specification.
2.3
Draw torque curve of compound motor according to specification.
2.1
Identify types of DC starter according to specifications.
2.2
Identify types of DC motor according to specifications.
2.3
Explain DC starter and DC motor according to specifications.
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1.7 Construct face plate circuits.
1.8 Erect cables from starter to motor.
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2.4
Determine and wear personal protection equipments according to safety requirement.
2.5
Practice good housekeeping according to procedure.
2.1
Draw circuits of face plate 2 point starter according to specification.
2.2
Draw circuits of face plate 3 point starter according to specification.
2.3
Draw circuits of face plate 4 point starter according to specification.
2.1
Identify cable sizing, type of cable and current rating according to connection requirement.
2.2
Identify wiring rules and regulations according to electrical standard.
2.3
Mark position and cable route according to connection requirement.
2.4
Install and lay cables from starter to motor according to connection requirement.
2.5
Determine and wear personal protection equipments according to safety requirement.
2.6
Practice good housekeeping according to procedure.
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1.9 Fix DC Motor and terminal termination.
1.10 Operate DC motor and motor control unit.
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2.1
Determine DC motor component and fittings according to specification.
2.2
Identify step to assemble motor according to procedure.
2.3
Differentiate AC and DC machines according to characteristics.
2.4
Identify motor connection according to procedure.
2.5
Identify accessible motor and fittings according to specification.
2.6
Wired connection and terminations according to specification.
2.7
Determine and wear personal protection equipments according to safety requirement.
2.8
Practice good housekeeping according to procedure.
2.1
Connect DC motor and motor control unit according to specification.
2.2
Control the rotation of DC motor according to specification.
2.3
Change the direction rotation of DC motor in control unit according to specification.
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December Edition
2013
CONTENT AND LEARNING STANDARDS
PROGRAMME
:
ELECTRICAL TECHNOLOGY
COURSE NAME
:
DIRECT CURRENT MACHINES
CODE NAME
:
ETE 104
CONTENT STANDARD 2. OPERATE DIRECT CURRENT (DC) GENERATOR
LEARNING STANDARD 2.1 State main part of DC generator.
2.2 Define magnetic field, armature and commutator of DC generator.
2.3 Operate DC generator.
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PERFORMANCE CRITERIA 2.1.1
Define DC generator operating principle according to generator specifications.
2.1.2
Identify main part of DC generator according to specification.
2.1.3
State function of DC generator according to specification.
2.2.1
List out characteristics of magnetic field according to electrical term.
2.2.2
State function of armature according to specification.
2.2.3
State function of commutator according to specification.
2.3.1
Connect and control rotation of DC generator according to specification.
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