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Protective Relaying Principles & Applications

 

This program presents the fundamental concepts of protective relaying. It begins with the basic concepts, advances to important setting considerations, demonstrates how short circuit currents are calculated, demonstrates how phase distance and overcurrent relay settings are determined, and concludes with a discussion of fault and disturbance analysis. Upon completing this course, participants should be able 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

  • Learn criteria used to select protective relay settings
  • Understanding of 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

  • Single line diagrams
  • Zones of protection
  • Per unit system
  • Symmetrical components
  • Short circuit calculations
  • Three line diagrams
  • 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
  • Arc flash considerations

System Protection

  • Overvoltage and undervoltage relays
  • Voltage comparison relays
  • Overfrequency and underfrequency relays

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
  • Distributed generation considerations

Protection of Selected Equipment

  • Large motors
  • Shunt reactors
  • Series reactors
  • Large capacitor banks (series parallel can arrangements)

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

Communication Aided

Relaying Schemes

  • Permissive over-reaching schemes
  • Direct under-reaching schemes
  • Direct transfer tripping schemes
  • Directional comparison

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This program can be applied toward the:

 
  Sessions  
Tue.-Thu., Oct. 22-24
8am-4:30pm
Location: UWM School of Continuing Education (Click link for directions)
Instructor: Anthony F. Sleva, P.E., Adjunct Faculty
Fee: $1190
Discount Information
CEUs: 2.0/PDHs: 20
Program No. 4830-6015
Add To Registration Form   Check Registration Form
 
Tue.-Thu., Apr. 8-10, 2014
8am-4:30pm
Location: UWM School of Continuing Education (Click link for directions)
Instructor: Anthony F. Sleva, P.E., Adjunct Faculty
Fee: $1190
CEUs: 2.0/PDHs: 20
Program No. 4830-6034
Add To Registration Form   Check Registration Form
 
  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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