3-14-07

OEET 120 Motors
www.mounttaylor.com/t120
Bruce McDowell
e-mail address and phone
Spring 2007

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Homework
b = beginning of class period, e = end of class period
 

Assignment
No.
Max.
Points
Date Assigned

Date Due

Reading Problems
HW 1 1-19 1-24 b pp. 109 - 125 up to DC Generators. Special attention (italics indicate section names): Molecular Theory of Magnetism; effects of turns, current, and permeability of the core; Solenoid Construction; Solenoid Characteristics; Transients. p. 139 #3, 5, 14
HW 2 1-29 2-5 b pp. 77 - 103 up to` Control Circuit Troubleshooting. Special attention: Symbols on pp. 78 & 79; line diagrams
HW3 1-31 2-5 b Learn DC motor and generator characteristics on the DC Motor & Generator Reference Page
HW4
(GB9-12)
15 2-9 2-16 b pp. 125 - 138 Click here for the problems.

Lab Work & Class Exercises
MS = MultiSim, RC = Real components, PP = pencil and paper, b = beginning of class period, e = end of class period

Assignment
No.

Date Assigned

Date Due

Points   Description
GA10-8 1-19 1-24 e  MS Handout: Inductive Time Constant (Anything that's blue and underlined is a link, and you can click on it to bring up the page that's linked to it.)
GA19-16 1-19 1-24 e

RC

Capacitor-start motor coupled to DC generator; DC generator supplying power to run DC motor. Observe increase in speed of DC motor as field strength is decreased.
GA22-13
part 1
1-22 1-31 e 10 MS Start/stop buttons and contactor, Multisim
GA22-13
part 2
1-22 1-31 e 15 RC Start/stop buttons and contactor,  real components
 GA29 - 14 1-29  2-5 e  15 MS  Starting on p. 101, simulate Fig. 5-23, 5-24, 5-26, and 5-28. When you're finished, show me all four circuits at once.
GA31-12 1-31 2-5 e 50 MS Ladder Diagram Logic Circuits. Handout.
GA31-19 2-1 2-9 e 30 RC Loaded Motors & Generators. Click here for directions.
GB5-12 2-12 2-12 e 10 RC Remove the coil from a contactor, put it back in, and show that it works.

Extra Credit
MS = MultiSim, RC = Real components, PP = pencil and paper, b = beginning of class period, e = end of class period

Assignment
No.

Date Assigned

Date Due   Description
GB2-11  2-5  2-12 e  RC  Build a 120 VDC power supply. Handout. 
         

Reference
DC Motor & Generator Reference Page
My links to Web sites with information about electronics and the electrical trades: mounttaylor.spaces.live.com
(Additions are frequently made to these links.)  
MultiSim Hierarchical Blocks