Mark VI Operation and Maintenance

Course outline

Day 1

• Introduction Speedtronic Mark VI GE Gas Turbine Fundamentals and control basics.
• System overview and Architecture Panel, modular concept discussion
• Mark VI cards
• Internal and external Mark VI wiring
• Hardware documentation
• The main protection system VPRO
• Supply voltage.

Day 2

• Data structure of the operator interface Brief discussion of the Windows 2000/XP based operator interface
• Most important files of the operator interface and their function
• Failure of the operator interface, what to do.
• Communications with the operator interface, Ethernet and DCS communications
• Operator interface facilities, TOOLBOX and Cimplicity Watch Windows
• The M6B file, functions, modules and tasks
• The Finder
• Trip log
• Alarm display
• Trouble shooting procedure
• Control constants
• Mark VI tools (TOOLBOX practice) Trend Recorder, Historical trip display, Alarms and SOE's

Day 3

• Mark VI software structure M6B file, MKVI I/O and functions Programming languages of the Mark VI Macro's and Modules
• Practice: Making Mark VI software with TOOLBOX Digital input.
• Analog input with software by students
• Digital input with software example by Students
• Gas turbine sequence Control modes
• Start up and permissive for start
• IGV sequence
• Normal stop
• Emergency stop
• Discussion of the following controls and sequencing Fuel control
• Start up, Speed, Acceleration, Temperature, Shut-down control and Manual FSR control Special control loops Inlet Guide Vane, Anti icing, Water / steam injection and Start and stop.
• Control loops The protection systems Flame detection, Overspeed, Vibration, Exhaust temperature, Lube oil pressure and temperature, Fire protection system.
• Discussion of the following controls and sequencing Synchronization, auto and manual Power factor control MVAR control
• Dry Low NOx Explanation of the system
• Discussion of the controls, implementation in Mark VI
• controls and logics

Day 4

• Trouble shooting, alarm analysis and limited software changes in practice Diagnostics of card failure-Card replacement procedure.
• Alarm display-Setup and configuration
• Alarm Management (flow chart explanation)
• Exercise of different simulated alarms trouble shooting
• Changing control constants, adding alarms
• Trip Log display and interpretation.

Day 5

• Trouble shooting using simulation Configuring Trip log display
• Adding Sequencing (CI, CO etc.), Build, Downloading, HMI device
• Configuring a new Cimplicity screen.
• Case study: Unit "not ready to start". Start Checks, Trip logs. First failure analyses for trips (emergency stop)
• Class Discussion and Evaluation of the course