This course is based on the article, "Modern VVVF Drives" published in the February 2010 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:
Types of VVVF drives
The comparison of a VVVFinverter to a vector drive
Power consumption of AC-VVVFdrives
The sizing of a drive
Advantages of a DC drive unit
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.