# Symmetrical Components for Three Phase Power Analysis

Asymmetrical Three Phase Voltages and Current Analysis

The method of symmetrical components is used to simplify asymmetrical three phase voltages and current analysis by converting the unbalanced system into two sets of balanced phasors and a set of single-phase phasors, or symmetrical components. These sets of phasors are called the positive, negative, and zero sequence components.

What you’ll learn

• In this course, you will learn exactly what symmetrical components are, their main advantages, how manufacturers of equipment use it..
• You will learn how to use symmetrical components to simplify asymmetrical three phase voltages and current to understand fault analysis used in modern day protection schemes..

Course Content

• Introduction –> 7 lectures • 1hr 31min.

Requirements

• The student should have an understanding of the laws and theorems related to three phase electrical power systems..

The method of symmetrical components is used to simplify asymmetrical three phase voltages and current analysis by converting the unbalanced system into two sets of balanced phasors and a set of single-phase phasors, or symmetrical components. These sets of phasors are called the positive, negative, and zero sequence components.

An understanding of this method is essential for the understanding of fault analysis and modern day protection schemes. This course will provide you with the knowledge to comprehend the concept and how it is applied