On-line continuous monitoring of screw compressors
Multi-disciplinary technologies
- Motor current, Voltage & Phase Angle sensors
- 3D Smart wireless accelerometers
- Smart Wireless Ultra sound sensors
- RTD probes
- Control data from, for example, PI of OSIsoft inc
Main Functionality
- System customization
- On line signal processing
- Aggregation of tags, signature parameters into Software Diagnostics Sensors.
- Automatic trend tracking with early discovery of minor disturbances
Prognosis of time when a tag or a Software Sensor value reaches a threshold value.
Failures detected Method of detection |
Rotor Imbalance Spectral analysis of motor current and phase angle signals |
Synchro-mesh and step-up gear wear 3D Smart wireless accelerometers & Ultra sound sensors |
Sleeve and axial bearing wear Smart Wireless Ultra sound sensors |
Rolling bearing disruptions 3D Smart wireless accelerometers & Ultra sound sensors |
Loose foundation Phase angle and vibration analysis |
Seal problems Smart Wireless Ultra sound sensors |
Lubrication problems Smart Wireless Ultra sound sensors |
Coupling/Belt drive 3D Smart wireless accelerometers |
Short windings in electrical motors Spectral analysis of motor current and phase angle signals |
Rotor-stator gap problems Phase Angle fractals |
VFD improper performance Spectral analysis of voltage SINE in three phases |