Subj: check this out:
Date: 7/3/00 4:22:06 PM Pacific Daylight Time



http://ourworld.compuserve.com/homepages/g_knott/elect98.htm

http://robotics.eecs.berkeley.edu/~sastry/ee20/modulation/node6.html

http://www.its.bldrdoc.gov/fs-1037/dir-029/_4235.htm

http://www.aaroncake.net/circuits/motorcon.htm
http://www.csw.com/apogee/md_html/mdatpul.htm
http://www.cs.tamu.edu/course-info/cpsc463/common/Physical/tsld015.htm
http://www.cs.tamu.edu/course-info/cpsc463/common/Physical/sld024.htm


Conversion and control of electric power by means of switched networks. Generic
power converter and its operation
modes. Square-wave operation versus pulse width modulation (PWM). Power
spectra of voltage and current.
PWM principles, variables, and parameters (switching variables, switching
intervals, switching frequency, modulating
function, local-averaged voltage, duty ratio, modulation index).
PWM dc-to-dc converters (choppers). Single-, two-, and four-quadrant
choppers.
PWM ac-to-ac converters (ac voltage controllers). Single- and three-phase
controllers. PWM voltage-source rectifier.
PWM voltage-source inverters. Basic PWM methods for voltage control
(carrier-comparison, modulating-function,
harmonic-elimination, space-vector, random). Current control (non-linear
and linear controllers). PWM current-source
inverters.
PWM current-source rectifier as an inverse of the voltage-source inverter.
PWM ac-to-ac converters (voltage-source and current-source).

Remember the power inverter thread needed to work the gear under GIZA?
Like a shield system?

More later

DF