G404 - Generator Protection

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4.5 days - 2.2 Continuing Education Units Awarded

Course Dates Download Brochure PDF
USD 2,995.00


At the completion of this Seminar, the participant will be able to discuss the fundamentals of Generator Protection, to include one-line diagramming, relaying fundamentals, a basic relaying channels, relay coordination and zoning, as well as various voltage, current, and differential protection schemes used in power systems.
Upon successful completion of this Seminar the participant will be able to:
  1. Demonstrate the ability to interpret generator one-line diagrams.
  2. Explain the purpose of a protective relay.
  3. Describe the different types of relays available.
  4. Discuss a basic relay circuit.
  5. Explain the importance of relay coordination.
  6. Discuss current and voltage transformers used in protective relaying schemes.
  7. Discuss a current, voltage, or differential relaying scheme, from the development of a signal to providing a protective function.
  8. Discuss differential relaying and its applications in a power system in protecting generators, transformers, and buses from overloads and faults.
  1. Generator Operations: Generator Normal Operations, Abnormal Operations, Generator Risk Assessment, One-Line Diagrams.
  2. Introduction to Protective Relaying: The Purpose and Application of Protective Relays; Protective Relay Applications, The Generic Protective Relay Channel, Protective Relay Fundamentals, Relay Ratings and Definitions, Relay Performance Measures, Power System Protection, Power System Functional Layout, Zones of Protection, Coordinating Principles
  3. Protective Relay Construction: Types of Relays, Electromagnetic, Solid State
  4. Instrument Transformers: Potential Transformers, Potential Transformer Problems, Potential Transformer Testing, Current Transformers, Current Transformer Design and Operation, Current Transformer Accuracy
  5. Overcurrent Protection: Application, Instantaneous Relays, Time Overcurrent Relays, Overcurrent Relaying, Coordination, Relay Adjustments, Solid State Overcurrent Relays
  6. Voltage Relaying: Construction, Relay Types
  7. Frequency Relaying: Purpose and Application, Types of Protection, Types of relays
  8. Differential Relaying: The Differential Principle, Differential Circuit Advantages, CT Saturation in Differential Relay Schemes, Percent Differential Relaying, Alternative Differential Relaying Schemes, Generator Differential Protection, Transformer Differential Protection