CT518 - (Seimens V84.2) Combustion Turbine Maintenance

2.5 days - 1.6 Continuing Education Units Awarded

This 2 ½ day Seminar was developed to improve the effectiveness of the operations and maintenance activities of Siemens V84.2 combustion turbines. Increase your ability to reduce forced outages and increase unit reliability and availability.

This Seminar has been designed for plant personnel who are involved in safely and effectively operating and maintaining Siemens V84.2 combustion turbine/generators. It will provide the attendee with a thorough understanding of operations and maintenance of Siemens V84.2 combustion turbines.

OBJECTIVES
Upon successful completion of this Seminar the participant should be able to:

1. Describe the major components and systems associated with Siemens V84.2 combustion turbines.
2. Describe the sequencing that occurs in a normal startup, synchronization and operation.
3. Describe the Siemens V84.2 support systems and requirements for operation.
4. Demonstrate the ability to use effective and safe maintenance procedures.
5. Properly plan the maintenance outage prior to shutdown.
6. Demonstrate the knowledge necessary to measure and interpret information as it relates to the unit outage
7. Demonstrate the knowledge necessary to disassemble/reassemble equipment in an orderly and safe manner.
8. Demonstrate the knowledge necessary to properly clean and inspect turbine components.
9. Describe combustion turbine control concepts and protective features.

Seminar OUTLINE

1. Introduction
2. Combustion (Gas) Turbine Fundamentals
   1. Basic Cycle
   2. Gas Turbine Relationships
   3. Power Relationships
3. Siemens V84.2 Turbine Construction & Operating Principles
   1. Flow Path
   2. Component Description
      1. Turbine Flow
      2. Air Inlet Equipment
      3. Compressor Section
      4. Combustion Section
      5. Turbine Section
      6. Exhaust Section
      7. Bearings
      8. Compressor Spindle/Rotor
      9. Turbine Spindle/Rotor
4. Turbine Auxiliary Systems
   1. Lube Oil System
   2. Hydraulic Supply
   3. Cooling and Sealing Air System
   4. Fuel Systems
   5. NOx Control System
   6. Atomizing Air System
   7. Compressor Cleaning System
   8. Starting System
5. CT Controls Overview
   1. Control Philosophy
   2. Major Components
   3. Speed Control
   4. Temperature Control
   5. Alarm & Protection
6. Maintenance Preparation & Planning
   1. Periodic Inspections
   2. Running Inspections
   3. Combustion Section Inspection
   4. Turbine Inspection
   5. Major Inspection
   6. Documentation
   7. Component and Parts Requirements
   8. Safety
   9. Tools & Measuring Equipment
   10. Scheduling
7. Combustion Section Inspection
   1. Parts Identification
   2. Disassembly
      1. Fuel System
      2. Ignition and Flame Detection
      3. Combustion Components
      4. Borescope Inspection
      5. Inspection Data
      6. Reassembly
8. Turbine Inspection
   1. Turbine Shell Disassembly
   2. Nozzle Disassembly
   3. Inspection
   4. Reassembly
9. Major Inspection
   1. Disassembly
   2. Bearings
   3. Rotor
   4. Compressor Stator
   5. Reassembly
10. Alignment
    1. Obtaining Data
    2. Corrections
11. Startup & Test
    1. Pre-Startup Checks
    2. Startup Checks
    3. Evaluation
12. Seminar Conclusion