May 02, 2026  
2025-2026 Undergraduate Catalog 
    
2025-2026 Undergraduate Catalog

ET 280 - Protective Relay Systems


Offered Fall: No Offered Winter: Yes Offered Summer: No Offered Other: No
3 Credits
Hours (Lecture - Discussion - Lab): 2-0-2
Prerequisites: ET 255  and ET 270 .

This course looks at the protective relay system that is used to insure dependable distribution of electrical power. The system is developed from the basics of relay operation to the modern communication based relay tripping.