COURSE OBJECTIVES

By the end of this course, participants will be able to:
Understand the purpose and function of excitation systems in generators. Identify and explain dierent types of excitation systems. Describe the working principles of Automatic Voltage Regulators (AVRs). Perform troubleshooting and maintenance of excitation systems. Analyze excitation system failures and implement corrective measures.

Target Audience:

  • Electrical Engineers
  • Power Plant Technicians
  • Maintenance Personnel
  • Control & Automation Engineers

Prerequisites:

  • Basic Electrical Engineering knowledge
  • Fundamentals of Power Generation

COURSE MODULES

MODULE 1:

INTRODUCTION TO GENERATOR EXCITATION SYSTEMS

  • Overview of Synchronous Generators.
  • Structure, Parts and principle of AC Alternator
  • Role of the Excitation System in Power Generation
  • Basics of Magnetic Fields and Induced EMF
  • Explain basic principles of electromagnetic induction
  • Importance of Voltage Regulation
  • Assessment: Quiz on basic excitation system concepts

MODULE 2:

TYPES OF EXCITATION SYSTEMS

  • DC Excitation Systems
  • AC Excitation Systems
  • Shunt Excitation System
  • Static Excitation Systems
  • Brushless Excitation Systems
  • PMG and AREP excitation system
  • Comparison of Dierent Excitation Methods
  • Assessment: Group discussion on selecting the right excitation system

MODULE 3:

AUTOMATIC VOLTAGE REGULATORS (AVR)

  • Function and Importance of AVR
  • AVR Control Loop and Components
  • Droop and Power Factor Control
  • AVR Protection Features
  • Hands-on Session: AVR Parameter Setting & Testing

MODULE 4:

EXCITATION SYSTEM COMPONENTS

  • Exciter & Exciter Field
  • Stator and Rotor Exciter
  • Main exciter
  • Rotating Diodes & Rectiers
  • Potential and Current Transformers in Excitation Control
  • Power System Stabilizers (PSS) and Their Role

MODULE 5:

PROTECTION AND FAULT DIAGNOSIS

  • Common Excitation System Faults
  • Overexcitation & Underexcitation Protection
  • Field Ground Fault Protection
  • Excitation Loss and Its Impact

MODULE 6:

TESTING AND MAINTENANCE OF EXCITATION SYSTEMS

  • Routine Maintenance Procedures
  • Excitation System Testing Methods
  • Insulation Resistance Testing
  • Performance Evaluation

MODULE 7:

ADVANCED TOPICS & CASE STUDIES

  • Digital Excitation Control Systems
  • Digital AVR,s
  • Excitation System Behavior during Grid Disturbances
  • Grid Code Compliance for Generators
  • Case Studies on Major Excitation System Failures

COURSE DELIVERY METHOD

  • Instructor-led Lectures (In-Person/Virtual)
  • Hands-on Practical Sessions (in house only )
  • Case Studies & Troubleshooting Exercises
  • Quizzes & Assessments
  • Final Certication Exam

REQUIRED TRAINING MATERIALS

  • Training Manual & Presentation Slides
  • Generator & AVR Simulations

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