Digital Protection Course: Structure and Relay Operation Techniques

This course covers principles of digital power system protection systems and their algorithms and applications. You will learn digital against analog processing techniques, digital relay structure and organization of hierarchical protection systems. 3 lessons in 1 hour 37 mins.
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Course Description

The main features which have encouraged many researchers to investigate the feasibility of designing digital relays for power system protection are its economy, reliability, flexibility, improved performance over conventional relays and the possibility of integrating a digital relay into the hierarchical computer system.

In this course, mentioned features (economy, reliability, flexibility, and performance ) are illustrated, and the advantages of using digital techniques are pointed. This course is the first of a Digital Power System Protection series.

After completing this course, the student will be able to:

  1. Understand principles of Digital Power System Protection System.
  2. Be ready for studying digital power system protection algorithms and applications.

Course Summary

  1. Digital against analog processing techniques.
  2. Advantages of using digital techniques in power systems protection.
  3. Digital relay structure.
  4. Organization of hierarchical protection systems.


  • Knowledge of basic electrical principles
  • A basic understanding of electrical engineering

Downloadable course materials

After purchasing the course, students can download the following document:

  1. Lessons in digital electric circuits: Fundamentals of solving the problems (PDF)

About Instructor

Dr. Eng. Yesri Al-harbawi

I am a highly educated senior electrical engineer with long practical and academic experience. I worked as a power plant, HV networks, and technical purchasing engineer for more than 15 years. I have PhD and MSc in Electrical Engineering from the University of Wroclaw of Science and Technology/ Poland. I have been teaching Digital Power System Protection, Power Systems, Instrumentations, and Renewable Energy in many technical universities and colleges across Iraq, Jordan and Canada. I have published many articles and books on power system protection, renewable solar energy and energy storage systems (ESS).

3 Courses

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Course Includes

  • 4 Lessons
  • 1 Quiz
  • Course Certificate
  • Lifetime Access