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Gas Turbine - 6,7,9, B,E, F, HA Class : Gas Turbine - Gas Turbine Operation HA-Class (Advanced)


Location :  Houston, TX

Start Date
TXSeptember 23,24,25,26,27 (2024)
TXDecember 16,17,18,19,20 (2024)

Course Description






Course Description     This course is designed to enhance GE H-class gas turbine-generator operation skills and provides a detailed overview of H-class turbine operating sequences and control and protection functions. The course builds upon student's operational skills and develops a background in                                    gas turbine-generator operation that enables participants to properly analyze operating problems and take the necessary corrective action. Focus will be on the gas turbine and generator control and protection and does not include discussions on auxiliary support                                                            systems. Participants may wish to bring their unit specific "Control Specification" with them to facilitate correlating classroom discussions with specific unit parameters.

Duration                     5 days


Target Audience     

  • Operations
  • Supervisors

General Prerequisites

  • Instruction is given in English; therefore, a reasonable ability to read and understand spoken English is required
  • Experience with Gas Turbine Operation.


Course Prerequisites     N/A


Class Size                 Maximum number of students: 15

Learning Objectives

                              This course will provide basic knowledge on the following:

  • Gas turbine operating sequences and modes: Start, Synchronize, Loading and Shutdown
  • Control and protection functions for the turbine, generator and auxiliary systems
  • How to interpret and understand HMI screen graphics, information and commands
  • Responding to an alarm from the HMI screen and how to locate/trace signals to the control logic
  • Alarm causes and alarm response database utilization in respect to the equipment and systems
  • Maintaining availability, optimum performance and reliability by quickly addressing operational issues, alarms and recovering from a trip or Not Ready to Start condition
  • The effects of abnormal operating conditions on the turbine and generator components
  • Navigation of GE Documentation such as the O&M, P&IDs and Device Summary
  • To identify nominal and alarm settings from device summary and control specifications
  • Generator Hydrogen and Seal Oil Systems Operations
  • How operations affect the turbine maintenance inspection intervals

Course Content


  • Instructor Background
  • Participant Background
  • Course Schedule


  • HA-Class Turbine Theory
  • Documentation: Device Summary and Control Specifications
  • Turbine Devices and Operating Conditions


  • Startup & Shutdown Sequence Procedure
  • Control Functions: Speed, Temperature
  • Protection: Over Speed, Over Temperature, Vibration
  • Variable Inlet Guide Vane Operation
  • Exhaust Temperature Spreads and Combustion Monitoring


  • Primary Operator Interface < HMI >: Menus & Screens
  • Alarms, Trips and Troubleshooting
  • Tour of the gas turbine manufacturing and assembly areas


  • Generator Component Overview
  • Generator Off Line & On-Line Operation Fundamentals
  • Hydrogen Generator Hydrogen Gas and Seal Oil Systems


  • Advanced Topics:

  • DLN Fuel System Operation
  • Inlet Bleed Heat Protection
  • Temperature Matching

  • Operational Affects on Maintenance Intervals