Course Description:

This course covers topics related to transient performance of electric power systems, such as introduction to power systems, fundamental notions about electrical transients, mathematical tools necessary for transient analysis of power systems, simple switching transients, damping, abnormal switching transients, travelling waves and other transients on transmission lines, transient overvoltages in power system, protection of system equipment against overvoltages, and inertia effects of rotating masses

Course Goal:

To enhance the participant’s knowledge, skills, and abilities necessary to understand transient performance of electric power systems

Course Objectives:

By the end of this course the participant will be able to:

1. Understand power systems
2. Be familiar with the fundamental notions about electrical transients
3. Understand mathematical tools necessary for transient analysis of power systems
4. Be familiar with abnormal switching transients
5. Be familiar with travelling waves and other transients on transmission lines
6. Understand transient overvoltages in power system
7. Be familiar with protection of system equipment against overvoltages
8. Be familiar with effects of rotating masses

Course Outline:

• Introduction to Power Systems
• Fundamental Notions about Electrical Transients
• Mathematical Tools necessary for Transient Analysis of Power Systems
• Simple Switching Transients

• 1. Transients in simple RL, RC and RLC Circuits
  2. Double-Frequency Transients

• Damping

• 1. Damping in RL. RC and RLC Circuits
  2. Damping and Frequency
  3. Resistance Switching
  4. Load Switching
• Abnormal Switching Transients
  1. Current Interruption
  2. Capacitance Switching
  3. Restriking Phenomena
  4. Transformer Magnetizing Inrush Current
  5. Ferroresonance
• Traveling Waves and other Transients on Transmission Lines
  1. Circuits with Distributed Parameters
  2. Wave Propagation on Transmission Lines
  3. Reflection and Refraction of Traveling Waves
  4. Attenuation of Traveling waves
• Transient Overvoltages in Power System
  1. Switching Overvoltages
  2. Lightning Overvoltages
  3. Transient Overvoltages and System Grounding Practices
• Protection of System Equipment against Overvoltages
  1. Protection of Transmission Lines against Lightning
  2. Lightning Shielding of Substations
  3. Surge Suppressors and Surge Arresters
• Inertia Effects of Rotating Masses
  1. Starting of Electrical Machines
  2. Mechanical Oscillations in Alternating-Current Machinery
  3. Impacts on Synchronous Machines from Switching

Who Can Benefit?

The course is designed for Electrical Engineers working on Power System Planning, Protection, Operation and Control.