Centrifugal Compressors - Operation & Maintenance

GE Oil & Gas Centrifugal Compressors Introduction & Overview

Compressors - General Description and Key Features
  • Shaft
  • Impellers/Blades
  • Balance drum and thrust collar
  • Casing and diaphragm bundle/stator vanes
  • Journal & thrust bearings
  • Oil seals
  • Instrumentation
Gas Path
  • Fluid Flow in an Centrifugal
  • Compressor
  • Axial thrust
Abnormal Operating Conditions -Overview
  • Centrifugal compressor unsteady flows
  • Rotating stall
  • Surge
Choking (or Stonewall)

Compressor Performance Curves
  • Design considerations
  • Efficiency considerations
  • Operating planes
Compressor Regulation
  • Basic principle of compressors operations
  • System resistance curve modification
Off Design Operations
  • Effect of molecular weight variation
  • Suction temperature variation
  • Suction pressure variation
  • Compressor internal leakage
  • Fouling effect
Antisurge Protection System
  • Protection system philosophy overview
Lube Oil System
  • Description of components
  • Electrical instruments-typical loops
  • Jacking oil system (if applicable)
  • Alarm and shut-down
  • Routine check during normal operation
  • Identifying malfunctions & faults
Sealing System
  • Scope of the system
  • Description of Components
  • Electrical instruments-typical loops
  • Alarm and shut-down
  • Seal operation
  • Routine check during normal operation
  • Identifying malfunctions & faults
Assembly and Disassembly Operations
  • Special tools
  • Clearance measurements
Maintenance Philosophy
  • Minor and major maintenance
  • Preventive maintenance
How to use the Unit Service Manuals

The following training dates are available in 2008:

Dates Location Length Language Price/Person(Euro)
12-16 May Florence 5 Days English 2200
10-14 November Florence 5 Days English 2200

The following training dates are available in 2009:

Dates Location Length Language Price/Person(Euro)
18-22 May Florence 5 Days English 2400
09-13 November Florence 5 Days English 2400