Standard

 

IDS 121 - Advanced Motor Controls

Course Description

Continues the study and application of motor control circuits with emphasis on sequencing circuits, complex circuits, and motor control centers. Topics include: sequencing circuits, reduced voltage starting, motor control centers, and troubleshooting.

 

Competency Areas

Hours

 

Sequencing Circuits

Class

1

Reduced Voltage Starting

D. Lab

0

Motor Control Centers

P. Lab/O.B.I.

3

Troubleshooting  w

Credit

2

 

Prerequisite/ Corequisite:

IDS 115

 

Course Guide

 

Competency

After completing this section, the student will:

Hours

Class

D.Lab

P.Lab/

O.B.I.

SEQUENCING CIRCUITS

2

0

2

Time delay relays

Identify the various types of timers used in motor control circuits.

 

 

 

 

Operate on-delay timers for applications in motor control circuits.

 

 

 

 

Operate off-delay timers for applications in motor control circuits.

 

 

 

 

Install a time delay relay for use in a motor control circuit.

 

 

 

 

Adjust the time on a time delay relay used in a motor control circuit.

 

 

 

Sequence two motors

Install a time delay relay and two magnetic starters to sequence the operation of two motors.

 

 

 

REDUCED VOLTAGE STARTING

8

0

10

Primary resistance starters

Install and operate a primary resistance starter motor controller.

 

 

 

Auto-transformer starters

Install and operate an auto-transformer starter in a motor control circuit.

 

 

 

Wye-delta starters

Install and operate a wye-delta starter in a motor control circuit.

 

 

 

Solid state starter

Install and operate a solid state starter in a motor control circuit.

 

 

 

MOTOR CONTROL CENTERS

2

0

4

Installation

Install various motor control components in a motor control center.

 

 

 

TROUBLESHOOTING

8

0

4

Troubleshooting techniques

Use proper troubleshooting techniques to eliminate problems in motor control systems.

 

 

 

Using a VOM

Use a VOM to troubleshoot a motor control circuit and diagnose the problems.

 

 

 

Motor control centers

Use motor controller schematic diagrams, a VOM, test terminals, and terminal strips to locate and diagnose problems at motor control centers.

 

 

 

 

Suggested Resources

 

Suggested Resources include textbooks shown below or most current edition.

 

Books

 

Miller, Rex and Mark, (1992) Electric Motor Controls  Englewood Cliffs, N.J.  Prentice Hall 

Alerich, W. N. (1991). Electricity three: Motors and generators, controls, transformers (5th ed.). Albany, NY: Delmar.

Cox, R. (1981). Electrician's guide to AC motor controls. Spokane, WA: Pond Oreilla.

Herman, S. L., & Alerich, W. N. (1992). Industrial motor control (3rd ed.). Albany, NY: Delmar.

Nadon, J. M., et al. (1989). Industrial electricity. Albany, NY: Delmar.

Rexford, K. B. (1991). Electrical control for machines (4th ed.). Albany, NY: Delmar.

Rockis, G., & Mazur, G. (1991). Electrical motor controls (3rd ed.). Homewood, IL: Am Technical.