lecture-10-03 - 10/3/2011 1 ME-340 Circuits &...

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Unformatted text preview: 10/3/2011 1 ME-340 Circuits & Mechatronics Lecture # 17 2010.10.03 Reminder exam and review session Exam: Fr 10/07 in class, Ch. 5, 6 Review: Tu 10/04, WEL 3.502 from 6-7:30pm, Chapters 5, 6 3 Reminder Problem Homework (Due We 10/05 in class) Hambley 5 th edition, Chapters 5, Problems (4): Circuit analysis: 5.49, 5.52 Power in AC circuits: 5.67 Thevenin/Norton Equivalent Circuits: 5.89 Hambley 5 th edition, Chapters 6, Problems (6): Transfer function: 6.11 1 st order lowpass: 6.33 Log scales: 6.40, 6.41 Bode plots: 6.54, 6.57 4 Reminder Chapter Reading Homework (Due Fr. 10/07 in class) Read chapter 10 Summarize each chapter in 10 lines Return it in class 5 10/3/2011 2 Videos 6 http://www.youtube.com/watch?v=_ghwOLCA35o Recap from previous class 7 Power in AC Circuits: Concepts I V Z V m Z I m ( t ) V m cos( t ) Generalized Load Z R jX R jX Z Resistance R Reactance X Power Factor & Power Angle P ( t ) ( t ) i ( t ) V m cos( t ) I m cos( t ) P ( t ) V m I m 2 cos( ) 1 cos(2 t ) sin( ) sin(2 t ) Since average of terms 2 t over a period is zero, ) cos( ) cos( 2 2 ) cos( 2 rms rms I V I V I V P m m m m i PF cos( ) Power Factor Power Angle cos( t )cos( t ) cos[ t ( t )] cos[ t ( t )] 2 cos[2 t ] cos[ ] 2 1 2 [cos(2 t )cos( ) sin(2 t )sin( ) cos( ) R: = 0 C: = 90 L: = -90 Gives power dissipated by Rs (if no Rs then...
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This note was uploaded on 02/07/2012 for the course M E 340 taught by Professor Staff during the Spring '08 term at University of Texas at Austin.

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lecture-10-03 - 10/3/2011 1 ME-340 Circuits &...

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