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Courses

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


There are currently no Courses Scheduled for Gas Turbine - Operation E-Class (Advanced).

Course Description

O-GAS22101

$3,855

Course Description                   

This course is designed to enhance GE E-Class (7EA and 9E) gas turbinegenerator operator knowledge and skills. The course provides a detailed overview of gas turbine operating sequences and control and protection functions. The course builds on prior knowledge and experience of the participants. They will learn to properly analyze operating problems of their gas turbine and take the necessary corrective action. Participants gain competence to interpret fault annunciations and how to determine if the annunciated fault can be remedied by operator action or by the assistance of instrumentation and/or maintenance personnel.This course will focus on the gas turbine and generator control and protection, the operational relationships of the compressor, combustion and turbine sections and generator systems. Discussion on turbine auxiliary systems is limited to key operational interfaces Participants may wish to bring their unit specific HMI control screens, alarm lists, control specification and device summary with them to facilitate correlating classroom discussions with specific unit parameters.Participants are also encouraged to bring information concerning issues their gas turbine may currently have or have experienced in the past, for discussion.

 

Duration                                    

5 days

 

Target Audience                        

Operations

Supervisors

 

General Prerequisites               

Participants should have:

  1. Prior Gas Turbine experience as control room or outside operator, I&C or Mechanical Technician
  2. Have attended a GE Gas Turbine Operation course, or possesses equivalent knowledge
  3. Technical background (Mechanical or Controls)
  4. Reasonable computer skills

NOTE: Participants will have difficulty to follow this course content if they do not fulfill the prerequisites listed above

 

Class Size                                 

Maximum number of students: 12

 

Learning Objectives                  

This course will provide basic knowledge on the following:

  1. Familiarize with gas turbine operating sequences and modes: Start, Loading and Shutdown
  2. Understand control and protection functions for the turbine, and auxiliary systems
  3. How to interpret and understand HMI screen graphics, information and commands
  4. Respond to an alarm from the HMI screen and how to locate/trace signals to the control logic
  5. Be able to utilize alarm causes response database in respect to the equipment and systems
  6. Maintain availability, optimum performance and reliability by quickly addressing operational issues, alarms and recovering from a trip or Not Ready to Start condition
  7. Be able to assess the effects of abnormal operating conditions on the turbine and generator components
  8. Navigate through GE Documentation such as the O&M manual, P&IDs and Device Summary
  9. Identify nominal and alarm settings from device summary and control specifications
  10. Learn the impact of operations on the turbine maintenance inspection intervals

Course Content                          INTRODUCTION

  1. Instructor background
  2. Participant background
  3. Course schedule

LESSON 1 -GAS TURBINE FUNDAMENTALS AND COMPONENT REVIEW

  1. Gas Turbine Fundamentals
  2. Gas Turbine Performance including correction curves
  3. Gas Turbine Construction features of main components

LESSON 2 -DOCUMENTATION: DEVICE SUMMARY AND CONTROL SPECIFICATIONS

  1. Device Summary
  2. Control Specification

LESSON 3 -ALARMS, TRIPS AND TROUBLESHOOTING

  1. Unit Alarm List, interpretation, tracing and responses
  2. Trip Prevention
  3. MarK™ VI ToolBox or MarK™ VIe ToolBoxST™ Usage

LESSON 4 - TURBINE DEVICES AND OPERATING CONDITIONS

  1. Turbine Devices -Description and Operating Parameters
  2. Compressor inlet and discharge thermocouples and pressure transmitters
  3. Wheelspace Thermocouples
  4. Exhaust Thermocouples
  5. Vibration sensors – Seismic and Proximeter
  6. Flame Detectors
  7. Spark Plugs and Ignition Transformers

LESSON 5- FUEL SYSTEMS AND ASSOCIATED AUXILIARIES

  1. DLNx and Non-DLNx Fuel Systems Operations
  2. Fuel Gas – P&ID and control logics
  3. Liquid Fuel – P&ID, equipment and control logic
  4. Purge Air
  5. Atomizing Air
  6. Water Injection

LESSON 6–VARIABLE INLET GUIDEVANE (VIGV)

  1. VIGV arrangement and function
  2. VIGV critical operating parameters

LESSON 7-COMPRESSOR BLEED INLET AIR HEATING (IF APPLICABLE)

  1. Inlet Air Heating arrangement & functions
  2. Inlet Air Heating Faults

LESSON 8 –CONTROL AND PROTECTION FUNCTIONS

    1. Fundamentals of Mark™ VI / Mark™ VIe Control and Protection
    2. Fuel Stroke Reference
    3. Speed Control
    4. Temperature Control
    5. Startup Control
    6. Shutdown Control
    7. Acceleration Control
    8. Manual Control
    9. Digital Watt Control
    10. Compressor Operating Limit Control
    11. Vibration Protection
    12. Overspeed Protection
    1. Overtemperature Protection
    2. Loss of Flame Protection
    3. Exhaust Temperature Spreads and Combustion Monitoring

LESSON 9 -PRIMARY OPERATOR INTERFACE : MENUS & SCREENS

  1. Unit HMI Control Screens – Site Specific
  2. HMI Control Screen Content and Functional Description

LESSON 10 -DOCUMENTATION: DEVICE SUMMARY AND CONTROL SPECIFICATIONS

    1. Pre-Start Check and Trip Signal Resolution
    2. Startup Sequence
    3. Synchronization: Automatic and Manual
    4. Steam Temperature Matching
    5. Exhaust Temperature / Variable Inlet Guide Vane Control
    6. Loading: MW, VARS
    7. Excitation –Off Line & On-Line operation
    8. Generator Operation including capability curves
    9. Basic Combined Cycle Startup and Operating Procedures (not site specific)
    10. Shutdown & Trips
    11. Cooldown

LESSON 11–GENERATOR OVERVIEW

  1. Generator Description & arrangement including rotor assembly
  2. Hydrogen Control and Seal Oil Systems (if applicable)
  3. Schematic Diagram—Load Equipment
  4. Generator Air/Gas Flows
  5. Rotating Exciters or Brush Rigging and Collector Rings
  6. Shaft Grounding Brushes
  7. Jacking Oil (as applicable)

LESSON 12- EXCITATION

  1. EX2100 / EX2100e Hardware and Functionality Overview
  2. Electrical One-Line Diagram

LESSON 13 –STARTING SYSTEMS

  1. Starting motor
  2. Torque convertor
  3. Turning gear / ratchet assemblies