Power Systems: Why You Need to Know Per Unit Analysis

In the field of electrical engineering's power systems analysis, the per unit system is utilized to express system quantities as fractions of a defined base unit quantity. This simplifies calculations as quantities expressed as per unit remain constant when referred from one side of a transformer to the other.

Understanding Per Unit Analysis

In this course, you will gain a comprehensive understanding of Per Unit Analysis, its primary advantages, the utilization and rating of products by equipment manufacturers, and the technique of converting to and from the Per Unit system. By delving into the intricacies of Per Unit Analysis, you will develop a solid foundation in this fundamental concept of power systems analysis.

The course includes several practical examples to illustrate working with the Per Unit system in a clear and concise manner, ensuring a thorough understanding upon completion. Through these examples, you will learn how to apply the Per Unit system to real-world scenarios, enabling you to confidently analyze power systems and make informed decisions.

Importance for Power Engineers and Technicians

It is crucial for power engineers and technicians to familiarize themselves with the concept of Per Unit as it is extensively utilized in daily power flow analysis, short circuit evaluation, and motor starting studies. By mastering the Per Unit system, power engineers and technicians can accurately assess the performance and stability of power systems, identify potential issues, and implement effective solutions.

Furthermore, understanding the Per Unit system allows power engineers and technicians to communicate effectively with equipment manufacturers, as product ratings are often specified in per unit values. This knowledge ensures that power engineers and technicians can select and integrate the appropriate equipment into power systems, optimizing their performance and reliability.

In conclusion, the Per Unit system is a vital tool in power systems analysis, providing a standardized and efficient method for expressing system quantities. By acquiring a comprehensive understanding of Per Unit Analysis, power engineers and technicians can enhance their analytical capabilities, make informed decisions, and contribute to the reliable and efficient operation of power systems.

1. Managers
2. Engineers
3. Technologists
4. Maintenance Personnel working in the electrical power protection industry.

1. The best practical explanation I have seen to date. Awesome. Thank You ~ M West
2. Yes, graphics were carefully prepared and explanations are easy to follow ~ A F Carrero
3. Great step by step walkthrough of AC Analysis ~ C Hayden
4. Very well presented. The approach to this subject was excellent ~ Yeprem A
5. This course is one of the best courses you would need for setting up a solid foundation on power system analysis. As a new learner, I love the courses Graham is offering. They are all in good quality and well demonstrated. Knowledge is invaluable. Thanks so much for these great courses Graham! ~ Hannah
6. It filled the blanks in my three phase calculation understanding. Thanks ~ Karolina

In this course, you will learn exactly what Per Unit Analysis is and how manufacturers of equipment use it to rate their equipment.

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