SEL University

In August 2015 Tech West Power traveled to Pullman Washington State as a part of its ongoing commitment to training, excellence and knowledge.

PROT 301: Protecting Power Systems for Technicians was an excellent course consisting of the following topics:

• Power System Basics
• Electrical Equipment Damage
• Power System Balanced Faults
• Introduction to Symmetrical Components
• Power System Unbalanced Faults
• Relaying Fundamentals
• Instrument Transformers: CTs and VTs
• Protective Relay Design
• Introduction to Line Overcurrent Protection

• Coordination of Overcurrent Protection in Radial Systems
• Line Directional Overcurrent Protection
• Transformer Overcurrent and Mechanical Protection
• Transformer Differential Protection
• Bus Protection
• Transmission Line Distance Protection Concepts
• Transmission Line Distance Protection Issues
• Line Pilot Protection

• System Aspects of Protection
• Symmetrical Components Sequences
• Criteria to Avoid CT Saturation
• Philosophy for Feeder Overcurrent Relay Settings
• Philosophy for Distance Element Fault Detector Settings
• Coordination Between Fuses
• Additional Resources
• ANSI Device Codes

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