2013 February Electric Motors for Elevators
SPECIAL NOTICE: Please check each course for verification of approval before purchasing. This test is based on the article, Electric Motors for Elevators published in the February 2013 issue and counts as one contact hour (0.1 CEU) of elevator industry continuing education credit. Most courses approved by NAEC for CET/CAT and NAESAI for QEI and in the following states: Alabama, Arkansas, Florida, Georgia, Illinois, Indiana, Kentucky, Maryland, Mississippi, Missouri, Montana, Oklahoma, Pennsylvania, Vermont, Virginia, Washington, West Virginia, Wisconsin.. Learning Objectives - After reading this article, you should have learned about:
- How DC motors work
- How synchronous motors work
- How induction motors work
- How the speed of an AC motor is controlled
- How to troubleshoot a variable frequency drive (VFD)
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