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Course Objective

To obtain an understanding of how to troubleshoot, maintain and improve GE Gas Turbine (GT) operation using the GE Speedtronic™ Mark IV (mk4) Turbine Control Panel (TCP).

Course Description

Covering the fundamentals, architecture, software, operation, and maintenance of a mk4, the course introduces the GT major components, associated systems, and TCP preparation for operation. The Case studies resulted from actual customer questions and remote support calls resolved by GTC. The Cases provide a unique insight, and understanding with direct application, as practical tips, or potential enhancements.

For courses delivered at our Hawthorne, NY Training Center, we utilize our energized Mark IV panel. For Customer Site training, unless otherwise agreed with the customer, the Mark IV panel is visited for hardware and screens descriptions only, without executing any operation.


Course Outline

Duration: 5 Days

Day 1
  • Intro: Instructor’s background. Delegates. Brief overview.
  • Manuals and Drawings
  • Welcome to boot camp: where are we? Initial Test
  • Rung Ladder Logic: Intro. to the programming language
  • Photo album #1 – Layout: Processors, Boards, Power Up/Down
  • GT Operation – Article: This is Droop Control. Feat. Isochronous
  • Droop Control Exercise
  • Photo album #2 – Detailed description of screen displays
  • Rung Ladder Logic Reading – Inversion masks, Failsafe Design
  • Rung Ladder Logic: Exercises + L86CB – Code it, check w/actual
Day 2
  • Nomenclature Review of Device Function Numbers
  • Elementary Drawings/Panel – Page by Page
  • MCC Drawings – Relationship with Elementary Drawing
  • Photo album #3 – Description of screen displays – continued
  • Case Study 01 – Nothing Works!
  • Max Case Conn. Diagram – Spares Analysis → Inventory
  • MLI 0400s – Lube, Trip Oil, Gas, Liq. Fuel, IGV, Hydraulics
  • Ready to Start/Speed Relays – Start checks, settings and function
  • Case Study 02 – Happily Burning Fuel
Day 3
  • Main Protection Trip Circuits. Description
  • Protection Systems – Auto-Synch. Breaker circuit – Load Control
  • Case Study 03 – Whiskey Tango Foxtrot
  • FSR – Firing/Warmup/Accel./Speed/Temperature/Manual
  • Case Study 04 – Stubborn Attemperator
  • Photo album #4 Screen displays + HSAA Card
  • LVDT Calibr. – HSAA jumpers, Elec. Vs. Mech. Stroke – Non-Linearity
  • Case Study 05 – Calibrations: things that make you go hmmm
Day 4
  • Maintenance Practices – EEPROM Backup
  • Algorithm review – Control System Specifications
  • Sequencing Functions – Sequencing Exercises
  • Case Study 06 – Complete sequence, not.
  • Case Study 07 – Rude Reminder
  • Case Study 08 – It takes two to Tango
  • Protection Systems – Comb. Monitor, Vibration, O/Speed, O/Temp
  • Vibration Protection Channels + Control Constant Adjust
  • GER 3620 – Turning Gear/Ratchet. Maintenance Factors
  • Case Study 09 – Cool turbines don’t ratchet
  • Case Study 10 – Had a chance, and missed: No start for you
Day 5
  • Troubleshooting tips: Find the ground – Follow the alarm
  • Case Study 11 – Ground Fault Alarm Promoted
  • Check your knowledge – Final Questions
  • Q&A – Your turn
  • Course Evaluation
  • Certificates. Adjourn