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New Online Seminar for Overcurrent Testing is Now in Production

We should have started this several months ago, but we’re on task now and the amount of content has already doubled since we first envisioned what this seminar would look like. It looks like we’ll cover over 40 hours of content for this online seminar about overcurrent testing. If the How to Test Protective Relays Online Seminar is any indication, it will probably be closer to 60 hours.

Here’s an index of the topics we plan to cover:

Lesson S0 – Introduction Videos

OS2-L-01 – Creating a Single Line
OS2-T-01-01_The Big Picture
OS2-T-01-02_Calculating Current
OS2-T-01-03_Choosing Cables
OS2-T-01-04_Choosing Bus and Breakers
OS2-T-01-05_Choosing Power Transformers
OS2-T-01-06_Choosing the CTs

OS2-L-02 – Understanding the Power System
OS2-T-02-01_Where Does the Power Come From?
OS2-T-02-02_Determining Current Flow
OS2-T-02-03_What Happens During a Fault

OS2-L-03 – Introduction to Power System Studies
OS2-T-03-01_Creating the Single Line
OS2-T-03-02_Performing a Fault Study
OS2-T-03-03_Fault Study Considerations
OS2-T-03-04_Performing a Coordination Study
OS2-T-03-05_Creating the TCC
OS2-T-03-06_Choosing the Correct Curves
OS2-T-03-07_Relays vs. Breaker Coordination
OS2-T-03-08_Relays vs. Fuses Coordination
OS2-T-03-09_Digital Relays vs. Electrical-Mechanical Relays Coordination
OS2-T-03-10_Coordination Study Considerations
OS2-T-03-11_Creating Arc Flash Studies
OS2-T-03-12_Power System Study Reports

OS2-L-04 – Testing Non-Directional Electro-Mechanical Overcurrent Relays
OS2-T-04-01 Introduction to Electro-Mechanical Relay Components
OS2-T-04-02 Introduction to Electro-Mechanical Relay Testing
OS2-T-04-03a Pickup Testing
OS2-T-04-03b Pickup Testing Using Manta Test Systems
OS2-T-04-03c Pickup Testing Using Omicron Test Universe
OS2-T-04-03d Pickup Testing Using Protection Software
OS2-T-04-03e Pickup Testing Using Relay Test Software
OS2-T-04-03f Pickup Testing on an ABB/Westinghouse CO Relay
OS2-T-04-03g Pickup Testing on a GE IAC Relay
OS2-T-04-04a Time Testing
OS2-T-04-04b Time Testing Using Manta Test Systems
OS2-T-04-04c Time Testing Using Omicron Test Universe
OS2-T-04-04d Time Testing Using Protection Software
OS2-T-04-04e Time Testing Using Relay Test Software
OS2-T-04-04f Time Testing on an ABB/Westinghouse CO Relay
OS2-T-04-04g Time Testing on a GE IAC Relay
OS2-T-04-05a Instantaneous Overcurrent Testing
OS2-T-04-05b Instantaneous Overcurrent Testing Using Manta Test Systems
OS2-T-04-05c Instantaneous Overcurrent Testing Using Omicron Test Universe
OS2-T-04-05d Instantaneous Overcurrent Testing Using Protection Software
OS2-T-04-05e Instantaneous Overcurrent Testing Using Relay Test Software
OS2-T-04-05f Instantaneous Overcurrent Testing on an ABB/Westinghouse CO Relay
OS2-T-04-05g Instantaneous Overcurrent Testing on a GE IAC Relay
OS2-T-04-06a Target Testing
OS2-T-04-06b Target Testing Using Manta Test Systems
OS2-T-04-06c Target Testing Using Omicron Test Universe
OS2-T-04-06d Target Testing Using Protection Software
OS2-T-04-06e Target Testing Using Relay Test Software
OS2-T-04-06f Target Testing on an ABB/Westinghouse CO Relay
OS2-T-04-06g Target Testing on a GE IAC Relay
OS2-T-04-07a Other Electro-Mechanical Relay Testing
OS2-T-04-07b Other Electro-Mechanical Relay Testing on an ABB/Westinghouse CO Relay
OS2-T-04-07c Other Electro-Mechanical Relay Testing on a GE IAC Relay

OS2-L-05 –Testing Non-Directional Overcurrent Elements in Digital Relays
OS2-T-05-01a Understanding the Basic Operation of the Element using Coordination Studies    
OS2-T-05-01b Understanding the Basic Operation of the Element in SEL Relays    
OS2-T-05-01c Understanding the Basic Operation of the Element in GE SR Relays    
OS2-T-05-01d Understanding the Basic Operation of the Element in GE UR Relays    
OS2-T-05-01e Understanding the Basic Operation of the Element in Beckwith Relays    
OS2-T-05-01f Understanding the Basic Operation of the Element in Basler Relays    
OS2-T-05-01g Understanding the Basic Operation of the Element in SIEMENS Relays    
OS2-T-05-01h Understanding the Basic Operation of the Element in ABB Relays    
OS2-T-05-01i Understanding the Basic Operation of the Element in ALSTOM Relays    
OS2-T-05-02a Choosing the Appropriate Fault Type    
OS2-T-05-02b Applying Phase-to-Ground Faults    
OS2-T-05-02c Applying Phase-to-Phase Faults
OS2-T-05-02d Applying Three-Phase Faults
OS2-T-05-02e Understanding Residual Current

OS2-L-06 – Perform a Ramping Pickup Test
OS2-T-06-01a Choose a Method to Detect Pickup in SEL Relays    
OS2-T-06-01b Choose a Method to Detect Pickup in GE SR Relays    
OS2-T-06-01c Choose a Method to Detect Pickup in GE UR Relays    
OS2-T-06-01d Choose a Method to Detect Pickup in Beckwith Relays    
OS2-T-06-01e Choose a Method to Detect Pickup in Basler Relays    
OS2-T-06-01f Choose a Method to Detect Pickup in SIEMENS Relays    
OS2-T-06-01g Choose a Method to Detect Pickup in ABB Relays    
OS2-T-06-01h Choose a Method to Detect Pickup in ALSTOM Relays    
OS2-T-06-02a Perform a Positive Ramping Pickup Test
OS2-T-06-02b Perform a Positive Ramping Pickup Test Using Manta Test Systems
OS2-T-06-02c Perform a Positive Ramping Pickup Test Using Omicron Test Universe
OS2-T-06-02d Perform a Positive Ramping Pickup Test Using Protection Software
OS2-T-06-02e Perform a Positive Ramping Pickup Test Using Relay Test Software
OS2-T-06-02a Perform a Negative Ramping Pickup Test
OS2-T-06-02b Perform a Negative Ramping Pickup Test Using Manta Test Systems
OS2-T-06-02c Perform a Negative Ramping Pickup Test Using Omicron Test Universe
OS2-T-06-02d Perform a Negative Ramping Pickup Test Using Protection Software
OS2-T-06-02e Perform a Negative Ramping Pickup Test Using Relay Test Software

OS2-L-07 – Perform a Pulsing Pickup Test
OS2-T-07-02a Perform a Pulsing Pickup Test
OS2-T-07-02b Perform a Pulsing Pickup Test Using Manta Test Systems
OS2-T-07-02c Perform a Pulsing Pickup Test Using Omicron Test Universe
OS2-T-07-02d Perform a Pulsing Pickup Test Using Protection Software
OS2-T-07-02e Perform a Pulsing Pickup Test Using Relay Test Software

OS2-L-08 – Perform a Timing Test
OS2-T-08-01a Calculate Time Delays Using Coordination Studies    
OS2-T-08-01b Calculate Time Delays in SEL Relays    
OS2-T-08-01c Calculate Time Delays in GE SR Relays    
OS2-T-08-01d Calculate Time Delays in GE UR Relays    
OS2-T-08-01e Calculate Time Delays in Beckwith Relays    
OS2-T-08-01f Calculate Time Delays in Basler    
OS2-T-08-01g Calculate Time Delays in SIEMENS Relays    
OS2-T-08-01h Calculate Time Delays in ABB Relays    
OS2-T-08-01i Calculate Time Delays in ALSTOM Relays    
OS2-T-08-02a Perform a Manual Timing Test
OS2-T-08-02b Perform a Manual Timing Test Using Manta Test Systems
OS2-T-08-02c Perform a Manual Timing Test Using Omicron Test Universe
OS2-T-08-02d Perform a Manual Timing Test Using Protection Software
OS2-T-08-02e Perform a Manual Timing Test Using Relay Test Software
OS2-T-08-03a Perform an Automatic Timing Test
OS2-T-08-03b Perform an Automatic Timing Test Using Manta Test Systems
OS2-T-08-03c Perform an Automatic Timing Test Using Omicron Test Universe
OS2-T-08-03d Perform an Automatic Timing Test Using Protection Software
OS2-T-08-03e Perform an Automatic Timing Test Using Relay Test Software

OS2-L-09 – Perform a Dynamic Pickup/Timing Test
OS2-T-09-01a Understanding Dynamic Pickup/Timing Tests
OS2-T-09-01b Perform a Dynamic Pickup/Timing Test Using Manta Test Systems
OS2-T-09-01c Perform a Dynamic Pickup/Timing Test Using Omicron Test Universe
OS2-T-09-01d Perform a Dynamic Pickup/Timing Test Using Protection Software
OS2-T-09-01e Perform a Dynamic Pickup/Timing Test Using Relay Test Software

OS2-L-10 – Perform a Dynamic/System Test
OS2-T-10-01a Understanding Dynamic/System Tests
OS2-T-10-01b Perform a Dynamic/System Test Using Manta Test Systems
OS2-T-10-01c Perform a Dynamic/System Test Using Omicron Test Universe
OS2-T-10-01d Perform a Dynamic/System Test Using Protection Software
OS2-T-10-01e Perform a Dynamic/System Test Using Relay Test Software

OS2-L-11 – Testing Directional Elements
OS2-T-11-01 Understanding Direction in the Power System    
OS2-T-11-02 Determine Direction Through a Relay    
OS2-T-11-03a Understanding Directional Control Using Coordination Studies    
OS2-T-11-03b Understanding Directional Control in SEL Relays    
OS2-T-11-03c Understanding Directional Control in GE SR Relays    
OS2-T-11-03d Understanding Directional Control in GE UR Relays    
OS2-T-11-03e Understanding Directional Control in Beckwith Relays    
OS2-T-11-03f Understanding Directional Control in Basler Relays    
OS2-T-11-03g Understanding Directional Control in SIEMENS Relays    
OS2-T-11-03h Understanding Directional Control in ABB Relays    
OS2-T-11-03i Understanding Directional Control in ALSTOM Relays    
OS2-T-11-04a Traditional Directional Relay Testing
OS2-T-11-04b Modern Directional Relay Testing
OS2-T-11-05a Perform a Simple Directional Test Using Manta Test Systems
OS2-T-11-05b Perform a Simple Directional Test Using Omicron Test Universe
OS2-T-11-05c Perform a Simple Directional Test Using Protection Software
OS2-T-11-05d Perform a Simple Directional Test Using Relay Test Software
OS2-T-11-06a Perform a Modern Directional Test Using Manta Test Systems
OS2-T-11-06b Perform a Modern Directional Test Using Omicron Test Universe
OS2-T-11-06c Perform a Modern Directional Test Using Protection Software
OS2-T-11-06d Perform a Modern Directional Test Using Relay Test Software
OS2-T-11-07a Perform a Directional Relay Test in SEL Relays    
OS2-T-11-07b Perform a Directional Relay Test in GE SR Relays    
OS2-T-11-07c Perform a Directional Relay Test in GE UR Relays    
OS2-T-11-07d Perform a Directional Relay Test in Beckwith Relays    
OS2-T-11-07e Perform a Directional Relay Test in Basler Relays    
OS2-T-11-07f Perform a Directional Relay Test in SIEMENS Relays    
OS2-T-11-07g Perform a Directional Relay Test in ABB Relays    
OS2-T-11-07h Perform a Directional Relay Test in ALSTOM Relays    

OS2-L-12 – Testing Negative-Sequence Elements
OS2-T-12-01 Understanding Negative-Sequence in the Power System    
OS2-T-12-02a Why Use Negative-Sequence    
OS2-T-12-02b Creating Negative-Sequence the Easy Way    
OS2-T-12-02c Creating Negative-Sequence the Hard Way    
OS2-T-12-03a Understanding Negative-Sequence Protection in SEL Relays    
OS2-T-12-03b Understanding Negative-Sequence Protection in GE SR Relays    
OS2-T-12-03c Understanding Negative-Sequence Protection in GE UR Relays    
OS2-T-12-03d Understanding Negative-Sequence Protection in Beckwith Relays    
OS2-T-12-03e Understanding Negative-Sequence Protection in Basler Relays    
OS2-T-12-03f Understanding Negative-Sequence Protection in SIEMENS Relays    
OS2-T-12-03g Understanding Negative-Sequence Protection in ABB Relays    
OS2-T-12-03h Understanding Negative-Sequence Protection in ALSTOM Relays    
OS2-T-12-04a Perform a Negative-Sequence Test Using Manta Test Systems
OS2-T-12-04b Perform a Negative-Sequence Test Using Omicron Test Universe
OS2-T-12-04c Perform a Negative-Sequence Test Using Protection Software
OS2-T-12-04d Perform a Negative-Sequence Test Using Relay Test Software
OS2-T-12-05a Perform a Negative-Sequence Test in SEL Relays    
OS2-T-12-05b Perform a Negative-Sequence Test in GE SR Relays    
OS2-T-12-05c Perform a Negative-Sequence Test in GE UR Relays    
OS2-T-12-05d Perform a Negative-Sequence Test in Beckwith Relays    
OS2-T-12-05e Perform a Negative-Sequence Test in Basler Relays    
OS2-T-12-05f Perform a Negative-Sequence Test in SIEMENS Relays    
OS2-T-12-05g Perform a Negative-Sequence Test in ABB Relays    
OS2-T-12-05h Perform a Negative-Sequence Test in ALSTOM Relays    

OS2-L-13 – Testing Breaker Fail Elements
OS2-T-13-01 Understanding Breaker Fail in the Power System    
OS2-T-13-02a Why Use Breaker Fail    
OS2-T-13-02b Creating Breaker Fail the Easy Way    
OS2-T-13-02c Creating Breaker Fail the Hard Way    
OS2-T-13-03a Understanding Breaker Fail Protection in SEL Relays    
OS2-T-13-03b Understanding Breaker Fail Protection in GE SR Relays    
OS2-T-13-03c Understanding Breaker Fail Protection in GE UR Relays    
OS2-T-13-03d Understanding Breaker Fail Protection in Beckwith Relays    
OS2-T-13-03e Understanding Breaker Fail Protection in Basler Relays    
OS2-T-13-03f Understanding Breaker Fail Protection in SIEMENS Relays    
OS2-T-13-03g Understanding Breaker Fail Protection in ABB Relays    
OS2-T-13-03h Understanding Breaker Fail Protection in ALSTOM Relays    
OS2-T-13-04a Perform a Breaker Fail Test Using Manta Test Systems
OS2-T-13-04b Perform a Breaker Fail Test Using Omicron Test Universe
OS2-T-13-04c Perform a Breaker Fail Test Using Protection Software
OS2-T-13-04d Perform a Breaker Fail Test Using Relay Test Software
OS2-T-13-05a Perform a Breaker Fail Test in SEL Relays    
OS2-T-13-05b Perform a Breaker Fail Test in GE SR Relays    
OS2-T-13-05c Perform a Breaker Fail Test in GE UR Relays    
OS2-T-13-05d Perform a Breaker Fail Test in Beckwith Relays    
OS2-T-13-05e Perform a Breaker Fail Test in Basler Relays    
OS2-T-13-05f Perform a Breaker Fail Test in SIEMENS Relays    
OS2-T-13-05g Perform a Breaker Fail Test in ABB Relays    
OS2-T-13-05h Perform a Breaker Fail Test in ALSTOM Relays    

OS2-L-14 – Conclusion
OS2-T-14-01 Other Thoughts on Relay Testing    
OS2-T-14-02 ???    
OS2-T-14-02 ???    

Did we miss something?  Is there a specific topic or question you want answered? Add it in the comments below.

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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