Electric Motors

http://www.e-traction.com
*** Check semiconductor mfgrs ***

"traction motors"
http://www.railway-technical.com/tract-01.html
http://en.wikipedia.org/wiki/Traction_motor
http://peerlesselectric.com/traction.htm
http://www.trainweb.org/tgvpages/motrice.html
http://www.e-traction.com/TheWheel.htm
http://www.solarnavigator.net/lynch_motor.htm
http://www.solarnavigator.net/lynch_motor_achievements.htm
http://www.irieen.com/intro3phase.htm
http://www.northeast.railfan.net/diesel_faq.html
http://www.greencarcongress.com/2005/02/the_ford_marine.html
http://acc6.its.brooklyn.cuny.edu/~scintech/hybrid/Technology.html
http://www.control.com

Overview of Motor Types Tutorial
http://www.oddparts.com/acsi/motortut.htm

*****
Basic Motor Theory
http://www.reliance.com/mtr/mtrthrmn.htm
http://en.wikipedia.org/wiki/Electric_motors
http://www.simplemotor.com/

Electric motors and generators
http://www.phys.unsw.edu.au/~jw/HSCmotors.html

Chapter 1 Direct Current Generators
http://www.tpub.com/content/neets/14177/
http://www.howstuffworks.com/motor.htm
http://www.motorcontrol.com/Tutorials/tutorials-motors.htm

Alex's Electronic Resource Library ****
http://htdconnect.com/~alexx/lib/motors.htm

Servo Motors
http://notepad.mail.yahoo.com/YYY,cea6b2/srt,0/?v=161&i=119&SW=&PSW=&POS=0&CID=0

electric motor efficiency

http://www.nasatech.com/NEWS/rpd.599mathworks.html
http://www.evtworld.com/pressrelease_71403.asp
http://www.fsec.ucf.edu/hydrogen/research/utilization.htm

Kodak Focuses on NEMA Premium™ Motors
http://www.copper.org/applications/electrical/energy/casestudy/Kodak_A6092.html
http://www.copper.org/applications/electrical/energy/motor_text.html
http://www.reliance.com/prodserv/motgen/b7087.htm
http://www.anti-state.com/article.php?article_id=173

You will want to review the following websites in order to gain a full understanding of electric motor efficiency:
1. http://www.srpnet.com/businessenergymanager/library/MISC003.asp
2. http://www.oit.doe.gov/bestpractices/motors/factsheets/mc-0382.pdf

http://www.flyinglead.info/bb/viewtopic.php?p=28282

http://www.commutercars.com/