How Harmonics are Generated

Course Number: E-3018
Credit: 3 PDH
Subject Matter Expert: Robert J. Scoff, P.E.
Price: $89.85 Purchase using Reward Tokens. Details
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Overview

In How Harmonics are Generated, you'll learn ...

  • Historical causes of harmonic distortion
  • Harmonics of a square wave
  • Harmonics caused by half wave single phase rectifiers
  • Harmonics caused by full wave single phase rectifiers

Overview

PDHengineer Course Preview

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Credit: 3 PDH

Length: 28 pages

The intention of this course is to show how harmonics are generated by modern electrical and electronic systems. It starts with classical harmonic generators and some older electronic devices. It emphasizes single phase systems and how harmonics are generated by diodes, silicon controlled rectifiers, and triacs.

Special emphasis is made of the fact that it is the harmonic currents that flow that cause the harmonic voltages to be present. These harmonic voltages can affect other equipment, and even other customers on the electric grid. Many pictures and graphs are presented to show how harmonics can be present. At times, it is not at all obvious that harmonics are present in a signal. Even if they are not seen, the harmonics can cause problems for the power companies, which have the responsibility of delivering clean usable power to their customers.

This course was designed for electrical engineers as well as engineers of other disciplines. Electrical engineers will have a deeper understanding of how harmonics are generated. Engineers from other disciplines will get an idea of the problems faced by the people responsible for delivering power to their facilities. This will help engineers understand each other's special problems. The more that we, as engineers, understand the problems faced by other engineers, the better that we will be able to do our specific jobs.

There is very little math involved in this course. Graphs were generated by use of Excel programs. It helps, but is not necessary, to understand how Excel can generate graphs and charts.

Special Note: Course E-3018 and course E-2011W are alternate presentations of the same course material. Therefore, only one version, either the course or webinar, can be taken during a renewal cycle. If you have any questions regarding course eligibility, please contact our Customer Service Team.

Specific Knowledge or Skill Obtained

This course teaches the following specific knowledge and skills:

  • Historical causes of harmonic distortion
  • Harmonics of a square wave
  • Harmonics caused by half wave single phase rectifiers
  • Harmonics caused by full wave single phase rectifiers
  • Harmonics in three phase systems
  • Understanding harmonic generation in 6 and 12 pulse full wave rectifiers

Certificate of Completion

You will be able to immediately print a certificate of completion after passing a multiple-choice quiz consisting of 20 questions. PDH credits are not awarded until the course is completed and quiz is passed.

Board Acceptance
This course is applicable to professional engineers in:
Alabama (P.E.) Alaska (P.E.) Arkansas (P.E.)
Delaware (P.E.) Florida (P.E. Area of Practice) Georgia (P.E.)
Idaho (P.E.) Illinois (P.E.) Illinois (S.E.)
Indiana (P.E.) Iowa (P.E.) Kansas (P.E.)
Kentucky (P.E.) Louisiana (P.E.) Maine (P.E.)
Maryland (P.E.) Michigan (P.E.) Minnesota (P.E.)
Mississippi (P.E.) Missouri (P.E.) Montana (P.E.)
Nebraska (P.E.) Nevada (P.E.) New Hampshire (P.E.)
New Jersey (P.E.) New Mexico (P.E.) New York (P.E.)
North Carolina (P.E.) North Dakota (P.E.) Ohio (P.E. Self-Paced)
Oklahoma (P.E.) Oregon (P.E.) Pennsylvania (P.E.)
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Texas (P.E.) Utah (P.E.) Vermont (P.E.)
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Wyoming (P.E.)
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PDHengineer Course Preview

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Credit: 3 PDH

Length: 28 pages

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