ePROT 405: Industrial Power System Protection

Audience

Engineers who need a comprehensive understanding of the challenges and solutions for protecting industrial power systems would benefit from this online, self-paced eLearning course.

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Agenda

• Power System Faults
• Introduction to Industrial Power Systems
• Industrial Power System Protection Fundamentals
• Instrument Transformers
• Line Overcurrent Protection
• Class Exercise: Overcurrent Protection Coordination
• Line Directional Overcurrent, Distance, and Pilot Protection
• Transformer Protection
• Class Exercise: Transformer Differential Protection
• Class Exercise: Transformer Overcurrent Protection
• Bus Protection
• Class Exercise: Bus Protection
• Generator Protection
• Class Exercise: Generator Protection
• Motor Protection
• Class Exercise: Motor Protection
• Special Topics in Industrial Power Systems

Note: This course teaches fundamental knowledge but does not provide hands-on experience with SEL relays.

Course Outcomes

At the conclusion of this course, students can:

• Identify the challenges and solutions to industrial power system protection problems.
• Select the appropriate protection schemes for various applications.
• Analyze power system faults for balanced and unbalanced conditions using symmetrical components.
• Explain industrial power system topology and grounding methods
• Describe current and voltage transformers and their impact on protection scheme performance.
• Identify, apply, and calculate settings for overcurrent devices in industrial power systems.
• Describe directional overcurrent, distance, and pilot protection schemes.
• Identify, apply, and calculate settings for transformer and bus protection schemes.
• Identify, apply, and calculate settings for generator and motor protection schemes.
• Identify and apply wide-area protection schemes for industrial power systems.

Student Background and Knowledge

A degree in electrical engineering or equivalent experience is recommended. In addition, we recommend that you complete PROT 401: Protecting Power Systems for Engineers. or ePROT 401: Protecting Power Systems for Engineers. before taking ePROT 405 or have the following:

• A basic knowledge of power systems and power system protection.
• Familiarity with transformer, generator, and induction motor characteristics.
• A working knowledge of ac three-phase electrical circuits, trigonometry, basic calculus, complex numbers, and phasor concepts.

Recommended reading:

• Any electric machinery book of your choosing that covers transformers, synchronous generators, and induction motors.
• Any power system analysis book of your choosing that covers per-unit quantities, symmetrical components, and fault analysis.
• A. Amberg and A. Rangel, ”Tutorial on Symmetrical Components, Part 1: Examples,” Schweitzer Engineering Laboratories, Inc., 2012
• A. Amberg and A. Rangel, ”Tutorial on Symmetrical Components, Part 2: Answer Key,” Schweitzer Engineering Laboratories, Inc., 2012

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