Relay Philosophies
November 8-11, 2021 | San Antonio, TX
Training Curriculum
Power Systems 101 is an intense four (4) day course, eight (8) hours per day, which covers the following curriculum. Participants who complete the course will earn 32 Credit Hours:
Substation Layouts & Protection Zone Diagrams
- Transmission System Overview
- Types of Generation
- What is a Fault?
- Substation Layouts
- Protection Zone Diagrams
Functional Diagram Exercise
- Hands-on Functional Diagram
- Line Protection
- Bus Protection
- Transformer Protection
- Breaker Failure
- Lockouts
Current Transformers
- CT Basics
- Ratios
- CT Classes T&C
- CT Ratings
- Saturation Current and Curves
- Equivalent Circuits
- CT Testing
- IEEE Standards
Breaker Control
- Mechanical Operation
- Trip circuits
- Close Circuits
- Anti-Pump Circuits
- Reclosing
- Specifications and Ratings
- Alarms
- IEEE Standards
Differential
- Bus Differentials
- KCL Theory
- Differential CT Circuits
- Calculating Current in Differential Circuits
- Mismatches CTs
- Rolled CTs
- CT Polarity
- High Impedance Differential Application
- IEEE Standards
Transformer Protection
- Transformer Theory
- Equivalent Circuit
- Types of Transformers
- Transformer Losses
- Transformer Ratings
- Tap Changes
- IEEE Standards
Line Protection
- Physical Characteristics of Transmission Lines
- Mho Circle
- Theory of Impedance Protection
- Zones of Protection
- POTT, PUTT, DCB, & DCUB End-to-End Schemes
- Reliability and Security
- IEEE Standards
Breaker Failure
- Breaker Failure Initiates
- Current Requirements
- Breaker Position
- Critical Clearing Time
- System Stability
- Various Breaker Failure Logic Schemes
- Trip and Lockout Theory
- IEEE Standards