Compressor Performance Monitoring
Understand how operators and engineers use pressure, temperature, flow, vibration and map position to evaluate centrifugal-compressor performance and degradation.
System context
Compression systems
Technical topic pages show the knowledge scope behind LNG University learning. Course, assessment and credential availability depends on the applicable program.
Relevant roles
Reliability engineers · Process engineers · Control-room personnel · Rotating-equipment engineers
Prerequisites
Centrifugal compressors · Compressor anti-surge control
Knowledge level
Advanced technical coverage with system and operational context.
Learning outcomes
What this topic is intended to help you understand
- Interpret common compressor performance indicators.
- Recognize drift in efficiency, head or operating margin.
- Differentiate process-driven changes from potential equipment degradation.
Technical scope
Equipment, concepts and terminology
- Suction and discharge conditions
- Head
- Efficiency
- Corrected flow concepts
- Map position
- Vibration trends
- Temperature trends
- Performance baseline
Operating context
How the topic connects to plant operation
- Trend review
- Comparing expected versus observed performance
- Monitoring proximity to operating limits
- Escalating abnormal deterioration
Safeguards and controls
Protection and risk-control context
- Validated instrumentation
- Operating-envelope limits
- Anti-surge protection
- Mechanical protection systems
Technical learning does not replace site procedures, OEM documentation, engineering calculations, permits, supervision or facility-specific authorization.
Engineering documents
Documents commonly connected to this subject
- Compressor map
- Performance test report
- Trend data
- OEM guidance