Course overview

The Substation Fundamentals Course

Course for power engineering students about substations and electric power systems (circuit breakers, grounding systems, ring main units, transmission lines, and more). 29 lectures in 5h 01m total course length.
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 What's included?

Welcome To Our Course "The Substation Fundamentals Course". This 5-hour course will discuss topics related to electrical power substations.
  • Function, classification and voltage of electrical substations.
  • Main components like power transformers, conductors, insulators, switch gears, current transformer, capacitor voltage transformer and voltage transformer.
  • Different types of circuit breakers, relays and their classification according to time, construction and function.
  • Learn the difference between circuit breaker and fuse, in addition to their applications.
  • Understand the definition of IP or ingress protection.
  • Grounding system including the effect of current on human body and components of grounding system.
  • Types of electric hazards and classification of earthing system.
  •  Measuring the earthing resistance by Megger and three point method.
  • Design of an earthing system using ETAP program.
  • Ring main unit and its importance in electrical power system.
  • Types of switches used in electrical power system and substations.
  • Overhead transmission lines, underground cables and difference between them.
  • Busbars in power system, its importance, its different schemes and how to select them.
  •  Lightning arrester and wave trap which are used in substations.
  • Air and gas insulated substations.
  • Overview on design an electrical substation and single line diagram of 66/11 kV substation.

 Course Overview

  • Access 29 lectures & 5 hours of content 24/7
  • Understand the purpose of electrical substations
  • Compare between insulators & conductors, and their importance in power system
  • Learn about the instrumental transformers including the current & potential or voltage transformer
  • Learn how to design electrical substation
  • Understand the great importance of the ring main unit in power system
  • Certificate of Completion
4 sections • 29 lectures • 5h 01m total length

 Who Is This Course For

  • Anyone who wants to learn about Electrical Engineering Power Systems.


  • Just Passion and Patience for Learning.

Ahmed Mahdy

Electrical Power Engineer and Instructor
About Ahmed
I am Ahmed Mahdy an electrical power engineer, I have been an instructor for more than 5 years in electrical engineering, I have helped more than 40,000 students from more than 170 countries achieving their career success with my simple and easy courses. In every one of my courses, you'll see that I am always available and always offer you support through each course. I will join your success and help you through any obstacles.

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