Understanding power systems in Electrical Engineering can be challenging due to the complex concepts and mathematical calculations involved. However, there are several effective revision techniques that can help students grasp these concepts more easily.

1. Review Basic Concepts:
Before diving into the intricacies of power systems, it is important to have a strong foundation of basic electrical engineering concepts. Review topics such as circuit analysis, electrical networks, and electromagnetic principles. This will provide a solid framework for understanding power systems.

2. Break Down Complex Topics:
Power systems consist of various components and subsystems, such as generators, transformers, transmission lines, and distribution systems. Break down these complex topics into smaller, more manageable sections. Focus on understanding each component individually before exploring their interactions within the power system.

3. Utilize Visual Aids:
Visual aids, such as diagrams, flowcharts, and graphs, can greatly enhance understanding. Use these tools to illustrate the different components of a power system, their connections, and the flow of power. Visual representations provide a clearer picture of how the system functions.

4. Solve Numerical Problems:
Power systems heavily rely on mathematical calculations. Practice solving numerical problems related to power flow, fault analysis, load flow, and voltage regulation. Work through examples step by step, paying attention to the units and formulas used. This will improve problem-solving skills and reinforce understanding of the underlying concepts.

5. Collaborate and Discuss:
Engage in group study sessions or discussions with classmates and professors. Explaining concepts to others and discussing different perspectives can deepen understanding and clarify any doubts. Active engagement in discussions can also help identify any gaps in knowledge that need further revision.

6. Use Online Resources:
Take advantage of online resources such as educational videos, tutorials, and lecture notes. Websites like EduRev offer a wide range of study materials specifically designed for electrical engineering students. These resources can provide additional explanations, examples, and practice problems to reinforce learning.

7. Review Previous Exams and Assignments:
Go through previous exams and assignments to identify recurring patterns and topics. This will give an idea of the areas that require more focus during revision. Reviewing past work can also help identify any misconceptions or errors in understanding.

8. Stay Updated with Industry Trends:
Power systems are constantly evolving with advancements in technology and renewable energy sources. Stay updated with the latest industry trends, research papers, and case studies. This will provide a broader perspective on power systems and their real-world applications.

In conclusion, understanding power systems in Electrical Engineering requires a systematic approach to studying and revising the concepts. By reviewing basic concepts, breaking down complex topics, utilizing visual aids, solving numerical problems, collaborating with others, using online resources, reviewing previous work, and staying updated with industry trends, students can enhance their understanding of power systems and excel in their studies.