ELEC 226 Class Notes, Spring 2011

January 24:

• Illustrations of sinusoids and phasors
• Rotating phasors
• Review of phasors, impedance, and circuit analysis: http://web.cecs.pdx.edu/~prasads/Phasors.pdf
• What is Reactive Power?
• Analogies for reactive power
• True, reactive, and apparent power
• Power factor correction
• Is Power Factor Correction Justified in the Home? and pdf version with figures

January 25:

• Formulas and definitions in Chapter 8
• Matlab script ACpower.m to demonstrate steady-state power in Chapter 8.

February 1:

• Matlab script maxpower.m to demonstrate maximum power transfer in sinusoidal steady-state circuits.

February 3 & 8:

• Matlab script lab1_freq_mod.m to make Bode plots of RC low-pass filter.

February 15:

• Insights for Filter Design

February 24:

• Topics for Exam 1

Week of March 7:

• Linear Transformer
• Ideal Transformer
• Linear and Ideal Transformer Equivalence

March 22:

• Transformer illustration #1
• Transformer illustration #2
• Transformer purposes
• Transmission lines for power

April 7:

• Review of current, voltage, energy for R, C, L
• Time constant:
  e^-1=0.37
  e^-2=0.14
  e^-3=0.050
  e^-4=0.018
  e^-5=0.007

April 12:

• Notes on step and natural response for RC and RL

April 19:

• Fourier series approximation demo