This is a five-day course.
Course Base Fees: $3,000 USD
PROT 401 provides an overview of the principles and schemes for protecting power lines, transformers, buses, generators, and motors. The course provides basic guidelines for relay application and settings calculation. It also reviews basic power system concepts and describes instrument transformers.
This course is also available as ePROT 401, a self-paced virtual course.
This course is intended for engineers who need a comprehensive understanding of the challenges and solutions for protecting electrical power systems.
- Power System Basics and Balanced Faults
- Class Exercise: Power System Balanced Faults
- Symmetrical Components
- Class Exercise: Symmetrical Components
- Power System Unbalanced Faults
- Class Exercise: Power System Unbalanced Faults
- Relaying Fundamentals
- Instrument Transformers
- Line Overcurrent Protection
- Class Exercise: Overcurrent Protection Coordination
- Line Directional Overcurrent Protection
- Class Exercise: Line Directional Overcurrent Protection
- Line Distance Protection
- Class Exercise: Line Distance Protection
- Line Pilot Protection
- Transformer Protection
- Class Exercise: Transformer Differential Protection
- Class Exercise: Transformer Overcurrent Protection
- Bus and Breaker Failure Protection
- Class Exercise: Bus Protection
- Generator Protection
- Class Exercise: Generator Protection
- Motor Protection
- Class Exercise: Motor Protection
Note: This course teaches fundamental knowledge but does not provide hands-on experience with SEL relays.
At the conclusion of this course, students can:
- Identify the challenges and solutions to power system protection problems.
- Select the appropriate protection schemes for various applications.
- Analyze power system faults for balanced and unbalanced conditions using symmetrical components.
- Describe current and voltage transformers and their impact on protection scheme performance.
- Identify, apply, and calculate settings for distribution and transmission line protection schemes, including overcurrent, directional overcurrent, distance, and pilot protection schemes.
- Identify and apply power swing blocking and out-of-step tripping schemes.
- Identify, apply, and calculate settings for transformer, bus, and breaker failure protection schemes.
- Identify, apply, and calculate settings for generator and motor protection schemes.
Student Background and Knowledge
A degree in electrical engineering or equivalent experience is recommended. In addition, we recommend that you have:
- A basic knowledge of power systems.
- A working knowledge of ac three-phase electrical circuits, trigonometry, basic calculus, complex numbers, and phasor concepts.
- 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.