Standard

 

IFC 102 Alternating Current I

Course Description

Introduces the theory and application of varying sine wave voltages and current. Topics include: magnetism, AC wave generation, AC test equipment, inductance, capacitance, and basic transformers.

 

Competency Areas

Hours

 

Magnetism    

Class

3

AC Wave Generation

D. Lab

2

AC Test Equipment

P. Lab/O.B.I.

0

Inductance

Credit

4

Capacitance

 

 

Basic Transformers

 

 

 

 

 

Prerequisite:

IFC 101

Corequisite:

 

 

Course Guide

 

Competency

After completing this section, the student will:

Hours

Class

D.Lab

P.Lab/

O.B.I.

MAGNETISM

2

1

0

Magnetism

Explain the principles of magnetism.

 

 

 

 

Demonstrate magnetic principle application.

 

 

 

AC WAVE GENERATION

2

1

0

Sine wave

Describe sine waves generated by alternating current.

 

 

 

Alternating current

Define alternating current.

 

 

 

Voltage and current values

Measure AC voltage and current values.

 

 

 

Alternating voltage generator

Describe basic AC generator principles.

 

 

 

AC TEST EQUIPMENT

6

4

0

Oscilloscope use

Explain oscilloscope control functions.

 

 

 

Frequency and period

Calculate and measure AC sine wave frequency and period.

 

 

 

 

Use an oscilloscope for sinusoidal wave form voltage, period, and/or frequency measurements.

 

 

 

INDUCTANCE

8

6

0

Inductors

Define inductance and identify inductor symbols.

 

 

 

 

Explain inductor operation.

 

 

 

 

Demonstrate the effect of connecting inductors in series and in parallel.

 

 

 

 

Draw a vector diagram showing inductor's phase relationships of voltage and current.

 

 

 

 

Determine the inductance value of an inductor.

 

 

 

 

Define and determine the reactance of an inductor when given the inductance and the frequency.

 

 

 

CAPACITANCE

6

4

0

Capacitors

Define capacitance and identify capacitor symbols.

 

 

 

 

Explain capacitor operation.

 

 

 

 

Demonstrate the effect of connecting capacitors in series and in parallel.

 

 

 

 

Draw a vector diagram showing voltage and current phase relationships.

 

 

 

 

Determine the capacitance value of a capacitor.

 

 

 

 

Define and determine the reactance of a capacitor when given the capacitance and frequency.

 

 

 

BASIC TRANSFORMERS

6

4

0

Terminology

Apply, define, and explain fundamental electrical terminology and electrical parameters for transformers.

 

 

 

Mutual inductance

Explain transformer outputs in relation to inputs.

 

 

 

Core losses

Explain core losses, mutual inductance, and types of transformers.

 

 

 

Impedance

Use an oscilloscope for transformer voltage and phase measurements.

 

 

 

Multiple-winding transformers

Calculate voltage-turns ratio.

 

 

 

 

Calculate voltage-current ratio.

 

 

 

 

Determine impedance matching.

 

 

 

Types of transformers

Test and identify transformers.

 

 

 

 

Suggested Resources

 

Electronic databases

 

Georgia Department of Technical and Adult Education

 

http://www.dtae.tec.ga.us/

LINK: Office of Technical Education

Menu Items: Educational Resource Services and Informational Resource Services

 

Occupational Research Group, UGA

 

http://www.coe.uga.edu/~jcoker/

LINK: Educational Resources

Menu Items: GALILEO/Databases/General Indexes/Books in Print

 

Publishers

 

American Technical Publishers: http://www.americantech.org

Delmar: http://www.delmar.com/

Directory - Book Port: http://www.bookport.com/source/9505.html

Directory - ElectricNet: http://www.electricnet.com/main.htm

Directory - Publishers’ Directory: http://www.lights.com/publisher/usej.html

Directory - Publishers’ Place: http://www.books.com/scripts/place.exe

Directory - Yahoo: http://www.yahoo.com/Business/Corporation/Publishing/

Glencoe/McGraw-Hill: http://www.glencoe.com/

Goodheart-Wilcox: http://www.opampbooks.com/

Lab-Volt Systems: http://www.labvolt.com/

Macmillan Publishing: http://www.mcp.com/

McGraw-Hill: http://www.books.mcgraw-hill.com/

National Fire Protection Association: http://www.nfpa.com/

Prentice Hall: http://www.prenhall.com/

 

Instructional Media

 

Bergwall Productions: http://www.bruce@bergwall.com/

Heathkit Educational Systems: http://www.heathkit.com/

Lab-Volt Systems: http://www.labvolt.com/

Oklahoma CIMC: http://www.okvotech.com/cimc/home.htm

Technical Training Aids: http://www.ttaweb.com/

 

Magazines

 

ElectricNet Publications: http://www.electricnet.com/pubs.htm

tech - design by Lab-Volt: http://www.labvolt.com/ [menu item: tech-design]