How Harmonics are Generated (Video On Demand)

Course Number: E-2059
Credit: 2 PDH
Subject Matter Expert: Jayachandra N. Sakamuri, Electrical Engineer
Type: Video on Demand - video is streamed directly to your computer.
Price: $59.90 Purchase using Reward Tokens. Details
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Overview
This Video on Demand course is a recording of a live webinar. As a recording of a live event, you will hear the discussion that occurred between the instructor and those who attended this webinar.

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

  • What harmonics are and how they are generated
  • How modern electronic devices cause harmonic distortion
  • How harmonics are generated in diodes, silicon-controlled rectifiers, and triodes for alternating currents
  • How the third harmonic produces excessive neutral currents

Overview

PDHengineer Course Preview

Preview a portion of the video before you purchase it.

Credit: 2 PDH

The purpose of this webinar is to show how harmonics are generated by modern electrical and electronic systems. Harmonics claim our attention because they can affect other electrical equipment and even other customers on the electric grid. Even if they are not seen, harmonics can cause problems for power companies, which are responsible for delivering clean, usable power to their customers.

We will begin by examining and discussing classical harmonic generators and some older electronic devices. Our emphasis will be on single-phase systems and the way harmonics are generated by diodes, silicon-controlled rectifiers (SCRs), and triodes for alternating currents (TRIACs). At the end of the webinar, we will look at examples of how the third harmonic can cause excessive neutral currents to flow in a three-phase Wye voltage source feeding a three-phase balanced resistive load.

This webinar requires very little math, but it does use graphs generated by Excel programs, so it would be helpful, though not necessary, for you to understand how Excel can generate graphs and charts.

Special Note: Course E-2059, E-3018, and webinar 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
  • Harmonic generation in 6-pulse and 12-pulse full-wave rectifiers

Video on Demand

This course is a recorded version of a live lecture and will be streamed directly to your computer's media player. Our format is generally compatible with media players included with all computers and mobile devices. After watching the video presentation, you will return to your account to take the online quiz. While this is a recording of a live presentation, please note that this recording will not qualify as a "live" or "interactive" continuing education activity in those jurisdictions where it is required.

Certificate of Completion

You will be able to immediately print a certificate of completion after passing a multiple-choice quiz consisting of 10 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.) District of Columbia (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.) South Carolina (P.E.) South Dakota (P.E.)
Tennessee (P.E.) Texas (P.E.) Utah (P.E.)
Vermont (P.E.) Virginia (P.E.) West Virginia (P.E.)
Wisconsin (P.E.) Wyoming (P.E.)
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Credit: 2 PDH

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