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Protective Relaying Principles & Applications

 

Learn the fundamental concepts of protective relaying – beginning with the basics, advancing to important setting considerations, and eventually ending with a discussion of fault and disturbance analysis. Gain confidence in your ability to recognize key protective relaying considerations for distribution lines, transmission lines, substations, transformers, buses and circuit breakers.

Who Should Attend

Analysts, designers, engineers and technicians involved with the design, development or utilization of transmission lines, distribution lines, substations or medium voltage motors as well as anyone involved in protective relay selection and application.

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Benefits and Learning Outcomes

  • Know criteria used to select protective relay settings
  • Understand key design considerations and operations
  • Examine case studies that include examples of correct and incorrect operation of protective relaying schemes

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Course Outline/Topics

Tools of the Trade

  • Three line diagrams
  • Single line diagrams
  • Zones of protection
  • Per unit system
  • Symmetrical components
  • Short circuit calculations
  • Current transformers – polarity and connections
  • Voltage transformers – polarity and connections
  • Circuit breaker tripping schemes
  • Redundancy
  • Dependability
  • Security
  • Reliability

Substation Protection

  • Transformer differential relays
  • Transformer overload relays
  • Bus differential relays
  • Ring bus differential considerations
  • Circuit breaker failure considerations
  • Shunt reactor protection
  • Shunt capacitor banks (series parallel can arrangements) protection
  • Arc flash considerations

Distribution System Protection

  • Overhead and underground lines
  • Phase time overcurrent relays
  • Phase instantaneous overcurrent relays
  • Ground time overcurrent relays
  • Ground instantaneous overcurrent relays
  • Steady state load limits
  • Cold load pickup inrush
  • Voltage recovery inrush
  • Coordination with downstream fuses
  • Coordination with downstream reclosers
  • Protection of Selected Equipment
  • Distributed generation considerations
  • Automated distribution system considerations

Transmission System Protection

  • Phase relays (Zone 1, Zone 2 & Zone 3)
  • Arc resistance
  • Steady state load limits
  • Transient load limits
  • Directional time overcurrent ground relays
  • Directional instantaneous overcurrent ground relays
  • Multi-terminal lines
  • Apparent impedance
  • Ground bank action
  • Series reactors

Communication Aided Relaying Schemes

  • Permissive Over-reaching Schemes
  • Directional Comparison Schemes
  • Direct Transfer Tripping Schemes
  • Line Differential Schemes

Special Protection Schemes

  • Undervoltage protection
  • Transmission System Undervoltage Protection
  • Transmission System FIDVR Protection
  • Overvoltage protection
  • Voltage comparison
  • Overfrequency protection
  • Underfrequency protection
  • Large Motor Protection

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This program can be applied toward the:

  Sessions  
Tue.-Thu., May 5-7, 2015
8am-4:30pm
Location: UWM School of Continuing Education (Click link for directions)
Instructors:
    Anthony F. Sleva, P.E., Adjunct Faculty
    David Price
$1295
CEUs: 2.0/PDHs: 20
Program No. 4840-7530
Register Now
 
  Related Courses  
Introduction to Power System Load Models
Discussion of Widespread Power System Blackouts
 
  Resources  
  Protective Relyaing Principles & Applications course details PDF
 
For more information, contact:
Murali Vedula, mvedula@uwm.edu, 414-227-3121
Marcia Gabriel, gabrielm@uwm.edu, 414-227-3378
 

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