This course was written with the intention of removing the magic and mystique that surrounds the idea of Power Factor Correction. With that in mind, the course starts by reviewing direct current and single phase alternating current circuits, including resistive, capacitive, and inductive circuits. This is a quick review emphasizing voltage, current, and power relationships in these three common circuit elements. Waveforms and their relationship to vectors are shown. Line voltage drops and line power losses are examined.
This course was designed for both engineers in disciplines other than electrical, and electrical engineers who desire to deepen their understanding of power factor correction. This course contains some basic electrical theory, but is easily adapted to the practical world of industrial and commercial electrical systems, and specifically Power Factor Correction.
The material in this course is presented with numerous diagrams, waveforms, and vectors to help students understand how electrical power works and what power factor means. The material assumes some skill in basic mathematics, trigonometry, vector analysis, and the ability to convert between polar and rectangular co-ordinates. A calculator that does polar to rectangular and rectangular to polar conversions is very helpful, but not necessary, in working through this material.
The student must take a multiple choice quiz consisting of twenty questions at the end of the course to obtain PDH credits. It is the author’s intention that the material presented in this course will help the students be better versed in power factor correction, and therefore be more comfortable when working with engineers, technicians, and craftsmen in the field.
Specific Knowledge or Skill Obtained
This course teaches the following specific knowledge and skills:
- Definitions of specific electrical terms.
- Relationship between voltage, current, and power versus time for alternating current circuits.
- The importance of minimizing current flow in AC electrical systems
- How power companies charge for the electricity they transport to their customers.
- How Capacitors actually correct for reactive power in industrial plants.
- How much money can be saved by implementing a Power Factor Correction program.
Click on the following link to the PDF document to review the course material before taking the quiz for credit.
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