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  • Online Course 1-1: The Three-Phase Power System (4 NETA CTDs)

Online Course 1-1: The Three-Phase Power System (4 NETA CTDs)

(47 customer reviews)

$29.95 USD

  • Have you ever wondered how generators create electricity in a three-phase power system?
  • If your test set reports time delays in seconds, but the relay is supposed to operate in 6 cycles, how would you figure out if the test passed?
  • Have you ever noticed that your SEL relay frequency tests are always a little off? And the further the test frequency gets from 60 Hz, the worse it gets?
  • Can you tell the difference between an ABC or ACB in a three-phase power system by looking at the waveforms?

We have your answers in this online training course.

Relay testers are often thrown to the wolves and expected to just “figure it out.” Unfortunately, this often means that you figure out what you need to do to get that pass on your test sheet, not realizing why your tweak to the test plan worked. This usually works for a while until it doesn’t, and you’re back to square one. It would be an easy fix if you would have received the proper training from day one.

We will cover the following topics in this lesson to give you a foundation in three-phase electrical theory to help you become a relay testing craftsman that will help you quickly and easily troubleshoot some basic problems with test-plans that leave others frustrated:

Introduction to Electrical Fundamentals and Frequency

  • How electricity is created
  • What is a cycle
  • How to count cycles
  • Understand how frequency and cycles are related
  • Converting cycles to seconds
  • Converting seconds to cycles
  • Converting cycles to cycles

Three-Phase Electric Power Systems

  • How three-phase electric power systems are created
  • How to determine what kind of three-phase electric power system is being generated
  • How to change one kind of three-phase electric power into another

Still not sure if this course is right for you?

Test your knowledge with this quick quiz:

Test Your Knowledge

If you can’t answer all of the questions correctly,

Sign Yourself Up for the Course Today ($29.95)

You get access to the course within one hour if you pay with a credit card. All of our online courses include:

  • High-quality video presentations introducing you to theory behind the topic to help you understand how it works
  • Real-world examples that show you how to apply the theory
  • Interactive exercises and quizzes that simulate the most realistic situations possible to help you learn by doing
  • A comment section where you can ask your questions and get your answers from instructors or fellow students

The The Three-Phase Power System online training course is eligible for 4 NETA Continuing Technical Development Credits (CTDs). NETA Certified Technicians (Level III and Level IV) are required to earn a minimum of 48 CTDs every three years to maintain their certification. For more information about the CTD program and requirements, please contact the NETA office at [email protected] or 888-300-6382.

Do you want to enroll more than one person into our online training courses?  No problem!  

Go to our Team Registration Page at the Valence Training Academy

Click Here To Buy Courses For Multiple Students or Another Person

You control who gets enrolled into the course via the “Manage Teams” page. Enroll one at a time, or upload your entire team via a simple csv file. We’ll automatically create everything they need to start the course and send them an email with their user name, password, and course links.

Click the “Add to cart” Button Below To Purchase This Course For Yourself! 

47 reviews for Online Course 1-1: The Three-Phase Power System (4 NETA CTDs)

  1. Eric (verified owner) –

    I found this course to be very useful in understanding the fundamentals of three phase power systems. It was extremely easy to follow along. Very clear, cadenced rhythm with the video narration allowed me to understand without having to backtrack.

    The course material would be suitable for technicians or students looking to get a grasp on three-phase power systems and converting between cycles and seconds; a must have for any relay technician.

    I appreciated the real world examples and exercises, which will help me when I come across these specifics problems in the microprocessor based world of protection relays.

    Overall I highly recommend this course!

  2. joe (verified owner) –

    I learned a lot from this course. Having no relay testing experience, I was grateful the real world examples were shown. I will definitely continue with this program, as they become available

  3. Online Student –

    very informative

  4. Ahmad Shabazz –

    Great fundamental courses, preparing you for any relay testing out there.

  5. Post-Course Evaluation Form Comments –

    Excellent refreshers for someone in the field who doesn’t deal with phasers and/or frequency/time/cycles conversions very often.

  6. Customer Review Form –

    Great for satisfying NETA training requirements.

  7. Customer Review –

    Why should someone take this course?

    “To prepare you for a career in relaying protection.”

  8. Customer Review –

    If you want to improve your overall knowledge of three phase power systems you should take this course

  9. Online Student –

    Very good course to take online!

  10. Relay Testing Class Evaluation –

    Relay Testing Class Evaluation

  11. Customer Review –

    If you are in relay P&C, you need this course for success in your field

  12. Brandon H. –

    The course was easy to follow along, very interactive, and descriptive.

  13. Rob P. –

    In order to clarify already understood concepts and learn new ones in order to make themselves a more confident and reliable relay tester and commissioning tech. Also to be able to mentor in the correct manner to hopefully eliminate some of the so many bad habits of testers in the industry.

  14. A Relay Course Evaluation –

    If you want to take your relay testing knowledge to the next level, this course is a must!

  15. A Relay Course Evaluation –

    Excellent

  16. Relay Course Evaluation –

    If you don’t have any experience about relay testing, this will be little bit hard to understand. However, in my case, I just watched this course so many times before relay testing and now, I can go on right way to do it with confidence. This is really valuable for your carrier as relay tester.

  17. Relay Course Evaluation –

    How did you feel about testing relays before the course?
    I have never experienced before and just did bench top relay testing.
    How did the course help you?
    increase my knowledge regarding protection relay world and now I did my first job of SEL-700G for FAT testing.
    How do you feel about relay testing now?
    Very exciting and there are lots of fun and interests.
    Why should someone take this course?
    to verify their knowledge with other expert. since sometimes, they are very stubborn and tend to believe their experience.

  18. A Relay Course Evaluation –

    Everyone who works on power systems in any capacity needs a thorough understanding of phase sequence/rotation because its not a matter of if you’ll need it, but when. Without it, the probability is very high you’ll end up in a situation you don’t understand with no idea how you got there.

  19. A Relay Course Evaluation –

    I’ve done enough coursework in my life in various disciplines and trade crafts to have forgotten some of them. In all of my studies, I have rarely met an instructor who knew their material better, delivered it more clearly and effectively, or who obviously enjoyed teaching their subject more. His class helped me understand relay testing at a level far above what I knew before I took it. It would be difficult to overstate the value of his classes.

  20. Protective Relay Training Class/Course Evaluation Form –

    good course

  21. Public Review –

    How did you feel about testing relays before your purchase?

    Good, I have been testing relays for over 15 years

    How did the material help you?

    I was unaware of relays either using nominal frequency or generated frequency so this helped alot.

  22. Protective Relay Training Class/Course Evaluation Form –

    Take your time as you receive good information that will help remind you of the things you might pass over, as this was information taught to most in the early stages of electrical schooling.

  23. Public Review –

    I like the nuts and bolts approach showing how an easily understood concept.

    What would you tell someone who was thinking about a purchase? *
    Do it

  24. Protective Relay Training Class/Course Evaluation Form Response –

    What did you enjoy most about the course?
    simplicity and clarity

    What would you tell someone who was thinking about taking the course?
    Great choice!

  25. Protective Relay Training Class/Course Evaluation Form –

    take this course

  26. Protective Relay Training Class/Course Evaluation Form –

    It will make you a better relay engineer.

  27. Protective Relay Training Class/Course Evaluation Form –

    Take it – it’s worth the money!

  28. Protective Relay Training Class/Course Evaluation Form –

    Best course i’ve ever taken

  29. Protective Relay Training Class/Course Evaluation Form –

    Give your self enough time go over some things more than once.

  30. Protective Relay Training Class/Course Evaluation Form –

    Take the course

  31. Protective Relay Training Class/Course Evaluation Form –

    This is a great beginner course to 3-phase power for relay testers that are thrown in to relay testing through programs rather than having the electrical theory to back up troubleshooting and expected results.

  32. Forest Vallad –

    This is the best training I have seen for 3 phase power systems! The animations are terrific. These are things that I am constantly drawing by hand to help illustrate concepts to other technicians but they just aren’t the same when I can’t draw them in motion. The links to other sites that are referenced have an abundance of additional theory topics and more animated illustrations. I very highly recommend this course.

  33. Protective Relay Training Class/Course Evaluation Form –

    Go for it!

  34. Protective Relay Training Class/Course Evaluation Form –

    What would you tell someone who was thinking about taking the course?
    Definitely it will be helpful.

  35. Protective Relay Training Class/Course Evaluation Form –

    Great way of increasing your electrical knowledge

  36. Protective Relay Training Class/Course Evaluation Form –

    do it

  37. Protective Relay Training Class/Course Evaluation Form –

    Do it

  38. Protective Relay Training Class/Course Evaluation Form –

    If you want to have a better understanding of the electrical theory and / or single phase and 3 phase systems this is a perfect class to start at. Especially before entering the relay testing world

  39. Protective Relay Training Class/Course Evaluation Form –

    Take responsibility in getting training for yourself. The class is the first step to get your feet wet and moving toward increasing your knowledge and interest .

  40. Protective Relay Training Class/Course Evaluation Form –

    Definitely take it!

  41. Protective Relay Training Class/Course Evaluation –

    take up this three phase power system course as a refresher and a foundation for protective relaying.

  42. Protective Relay Training Class/Course Evaluation Form –

    good introduction to waveform basics

  43. Protective Relay Training Class/Course Evaluation Form –

    Take it

  44. Protective Relay Training Class/Course Evaluation Form –

    Well worth the money and time

  45. Protective Relay Training Class/Course Evaluation Form –

    very informative and digestible for anyone at any level of knowledge.

  46. Protective Relay Training Class/Course Evaluation Form –

    It is worth taking because it is designed to help you regardless of your knowledge level and you can learn at your own pace.

  47. Protective Relay Training Class/Course Evaluation Form –

    A good start or refresher for anyone who is eager to learn.

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