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How to Test Overcurrent Relays: An Introduction to Protective Relaying Online Seminar – 06/2022 Update

All of the main videos of Lesson 5: Introduction to the Power System Studies Used to Create Relay Settings have been recorded and are in the editing process! Here are the topics in this lesson:

  1. Introduction to Power System Study Single Line Drawings
  2. Introduction to Load Flow Studies
  3. How to Calculating Maximum Fault Current Using An Infinite Buss
  4. How Does the System MVA Affect the Fault Voltage and Current in a System
  5. How Does a Device Impedance Affect the Fault Voltage and Current in a System
  6. How Does a Connected Motor Affect the Fault Voltage and Current in a System
  7. Introduction to Short Circuit Studies
  8. Introduction to Time Coordination Curves for Relays
  9. Introduction to Time Coordination Curves for Cables
  10. Introduction to Time Coordination Curves for Transformers
  11. Introduction to Time Coordination Curves Through Transformers
  12. Introduction to Time Coordination Curves for Motors
  13. How Motors Affect Non-Motor Relay Coordination
  14. Introduction to Arc Flash
  15. How Relay Settings Affect Arc Flash
  16. How to Get Time Test Values from a Time Coordination Chart
  17. How to Get Time Test Values from a Coordination Study
  18. All the Extras – Downloads, Credits, and Additional Training options

The next lesson will be about testing Modern Digital Multifunction Relays (IEDs). We’ve already covered all of the different testing options for this generation of relays in the How to Test Protective Relays Online Seminar (https://relaytraining.com/online-protective-relay-training-v3/), so this lesson will be a brief summary about how I now think that these relays should be tested.

You can get more info about the rest of the course here (https://relaytraining.com/how-to-test-overcurrent-relays-an-introduction-to-protective-relaying-online-seminar-2022-update/) and here (https://relaytraining.com/how-to-test-overcurrent-relays-an-introduction-to-protective-relaying-online-seminar-05-2022-update/)

Existing customers will have early access to this seminar before the end of June 2022. We expect to release the full course soon!

About the Author Chris Werstiuk

Chris is an Electrical Engineering Technologist, a Journeyman Power System Electrician, and a Professional Engineer. He is also the Author of The Relay Testing Handbook series and founder of Valence Electrical Training Services. You can find out more about Chris here.

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