November 2009 An Intro. to Permanent-Magnet Gearless Motors & Drive Control Systems
This course is based on the article, "An Introduction to Permanent-Magnet Gearless Motors and Drive Control Systems" published in the November 2009 issue and counts as 1 Contact Hour (0.1 CEU) towards recertification. Approved by: NAEC for CET/CAT, QEI Services and NAESA for QEI, (A maximum of 0.2 CEU for online courses per annual renewal period can be applied towards maintenance of qualifications for NAESA certified inspectors.) and the State of Florida and Pennsylvania.
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Learning Objectives - After reading this article you should have learned about the:
Benefits of PMs: efficiency and potential regen applications
Difference between AC asynchronous induction and PM synchronous gearless motors
Similarity of commutation between DC and PM AC machines
Importance of synchronism
Encoder feedback; absolute position, resolution and technique
Ride quality control: why more adjustment is needed
Enrollment Procedures:
1. Register and pay online with a credit card.
2. Within 2 to 3 business days you will receive an email with the article and instructions for taking the exam.
3. Study article.
4. Use the provided online link, ID, and Password to login to the Online Testing Center.
5. If you scored 80% or above, you will receive your certificate of completion via email.