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Advanced AC Generators

Course Purposes

This course is designed for those who have a need to understand most aspects of power plant generators This course addresses Theory of Generator Operation, Design Considerations, Construction, Relationships to the System, Excitation Systems, Auxiliaries, and Normal/Abnormal Operations, Protective Relaying associated with the Generator, Outage Planning, Disassembly, Inspection/Repair, and Reassembly.

Course Objectives:

By the end of this course the participant will be able to know
 
  •  How does a generator function?
  •  Why is it designed as it is?
  •   What happens if the generator is synchronized out-of-phase?
  •  What happened in the control room such that one would make such a large error when synchronizing?
  •   How can we avoid such an error?
  •    Just how bad (and what is) negative phase sequence currents?
  •   Corona discharge what does that mean?
  •   How do you repair fused stator punchings?
  •  What components should be high-potential tested?
  •   How can we avoid accidental injury when testing the generator?
  •  What are the probable causes of grounded fields?
  •  Why have we (recently) heard of hydrogen explosions?  How do we avoid?

Course Contents

  • Generator functions
  • Active and reactive power
  • The major components used in the construction of an AC generator
  • Operation and maintenance of the most common excitation systems
  • A speed governor alters generator output in response to a frequency deviation
  • The role of the governor is response to this speed/frequency change)
  • The voltage regulator alters generator output in response to a voltage deviation 
  • The causes and effects of both voltage and frequency oscillations and the impact they each have on power system dynamics
  • Generator normal/safe startup and shutdown procedures
  • The generator synchronizing process is as it is
  • Abnormal generator operation and recommended actions for generator protection
  • The major activities associated with generator maintenance
  • Proper generator disassembly and reassembly sequences
  • The procedures for cleaning generator components
  • The procedures for inspection of generator components
  • Generator component, the types of damage that might be found, and what probable causes of that damage are
  • The various repair methods for defective component condition
  • Electrical tests commonly performed on large AC generators
  • The procedures for the various generator tests
  • Safety precautions for the conducting of these electrical tests

Course Recipients

This course is suited for
 
  • Electrical Engineers, Superintendents, Supervisors, Foremen & Technicians
  • Plant Maintenance Engineers, Superintendents, Supervisors, Foremen & Technicians
  • Utility Engineers, Superintendents, Supervisors, Foremen & Technicians
  • Mechanical Engineers, Superintendents, Supervisors, Foremen & Technicians
  • Control Engineers, Superintendents, Supervisors, Foremen & Technicians

Duration

4 Days

Methodology of teaching

Classroom lectures and exercises & Final test

Certificates

Core Certificate

Available DATE

Duration Start End
4 Days 2018-02-25 2018-02-28 Apply



4 Days 2018-04-22 2018-04-25 Apply



4 Days 2018-08-12 2018-08-15 Apply



4 Days 2018-10-07 2018-10-10 Apply



4 Days 2018-12-23 2018-12-26 Apply




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