How Harmonics are Generated (WEBINAR)

Course Number: E-2011WN
Credit: 2 PDH
Subject Matter Expert: Robert J. Scoff, P.E.
Scheduled: Monday, July, 23, 2018, 10:00am - 12:00pm ET (9am CT, 8am MT, 7am PT)
Type: Live Interactive Webinar
Price: $119.90
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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

A PDHengineer webinar is just like being there.

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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-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
  • Harmonic generation in 6-pulse and 12-pulse full-wave rectifiers
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.) Indiana (P.E.)
Iowa (P.E. - Live Course) 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. Live Course) North Carolina (P.E.)
North Dakota (P.E.) Ohio (P.E. Timed & Monitored) 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. Live Course) Wyoming (P.E.)
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PDH credits

Webinars earn PDH credits for engineers in all states, unless otherwise stated in the literature for a specific webinar. For more details, check your state requirements.

ATTENTION NEW YORK, WISCONSIN AND IOWA ENGINEERS: Your states specifically require a certain number of "live" credit hours as a part of your PDH requirement. This webinar is provided by Decatur Professional Development, LLC and has been accepted by the New York State Board to fulfill this requirement. This webinars also meets the "live training" requirements of the Wisconsin and Iowa Boards.

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PDH credits for licensed professional engineers are issued by Decatur Professional Development, LLC.

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