2017 December: Rectification
Author: ELEVATOR WORLD
Format: CEU (CONTINUING EDUCATION)
Publication Date: 2017
Article Link: Read Article
SPECIAL NOTICE: Please check each course for verification of approval before purchasing.
This test is based on the article, Rectification, published in the December 2017 issue and counts as one contact hour (0.1 CEU) of elevator industry continuing education credit. Most courses are 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.
After reading this article, you should have learned about:
- Comparison of AC and DC for different applications
- Principal uses of DC for elevators
- Circuitry and outputs for various types of rectifiers
- Types of filtering
- The anatomy of a VFD
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Elevator World, Inc. is the largest publisher in the world devoted to the elevator industry: publishing a monthly journal; compiling the Elevator World SOURCE, the most inclusive directory in the industry; publishing numerous books used for industry education; maintaining ELENET, a biweekly email newsletter; and developing the Elevator World online network, a group of specialized websites with more than 70,000 users a month. Elevator World is the publisher and distributor of the print-based materials for the four-year Certified Elevator Technician (CET) Education Program. The company is 62 years old and has played a key role in the transfer of knowledge in the vertical-transportation industry.