This course explores the various systems and relays used to protect power systems and solve problems, beginning with an overview of how zones of protection prevent complete system collapse during severe disturbances. Students will learn the principle of operation and underlying philosophy for various types of relays
Then the discussion goes deeper into specific types of relays such as directional overcurrent relay, distance relays, differential relays, back-up relays, permissive transfer trips, and system load shedding.
Terminal Objective: The trainee shall explain how zones of protection prevent complete system collapse during severe disturbances.
Enabling Objective: The trainee shall discuss frequently used relays.
Enabling Objective: The trainee shall summarize the principle of operation for various types of relays.
Enabling Objective: The trainee shall describe how directional overcurrent relay works.
Terminal Objective: The trainee shall identify various types of relays.
Enabling Objective: The trainee shall explain how distance relays operate.
Enabling Objective: The trainee shall explain how differential relays operate.
Terminal Objective: The trainee shall summarize the underlying philosophy followed by most utilities when they apply protective relays to their systems.
Enabling Objective: The trainee shall recall how primary relays work and when back-up relays may be necessary.
Enabling Objective: The trainee shall identify the two general classifications for back-up relaying.
Enabling Objective: The trainee shall explain how remote back-up relaying works.
Enabling Objective: The trainee shall discuss how and why local back-up is used.
Terminal Objective: The trainee shall identify ways relays can solve problems on electric power systems.
Enabling Objective: The trainee shall explain of permissive transfer trips work.
Enabling Objective: The trainee shall summarize how system load shedding protection disconnects selected loads throughout the system when frequency falls.
5116 Power System Operation Protective Relaying - North American Electric Reliability Corporation (NERC)
- North American Electric Reliability Corporation (NERC)
- (609) 452-8060
- (609) 452-9550
- Website URL:
- Email Address:
- 116-390 Village Boulevard
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End of Course Instructions
"Upon successful completion of the course and the accompanying survey, you will get your certificate and, if appropriate, have your success reported to the relevant regulatory body.
NERC CE: If you selected this option at the course launch, your credits will automatically be reported for NERC CE through the NERC SOCCED reporting tool. In case of reporting failure, your credits would be manually reported within 48 hours. It is important to provide the correct License Number in order to obtain the completion certificate and get reported. You can also use this Certificate for PDH Reporting and reporting to any other Regulator (example PJM, etc.).
RCEP: If you selected this option at the course launch, you will NOT receive a certificate directly from the training page. Instead, your credits will be reported to RCEP and you would receive a certificate from them through email.
360training: If you selected this option at the course launch, you are seeking NO credit reporting. The training you are taking is for professional development only. You will receive a generic 360 certificate."
You will not be required to pass the knowledge check questions to move on to the next lesson. These will not be counted as a grade, but each question gives you insight into what you should have learned and the sorts of things you'll need to remember moving forward.
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