Title :
Early warning of developing problems in rotating Machinery as provided by monitoring shaft Voltages and grounding currents
Author_Institution :
Magnetic Products & Services, Inc, Holmdel, NJ, USA
fDate :
6/1/2004 12:00:00 AM
Abstract :
A unique and independent unit condition monitoring technology for rotating machinery, called Shaft Condition Monitoring (SCM) provides early warning of developing problems by monitoring and analyzing shaft voltage and grounding current profiles. The process begins with capturing and trending of critical information inherent in raw signals derived from reliable shaft-riding brushes. Through analysis of this critical information, problems in rotating machinery are detected at their inception or long before they are apparent on traditional instruments. With this data in hand, a proactive plan of monitoring and maintenance is facilitated, possibly averting the extreme costs of failure and forced shutdown.
Keywords :
alarm systems; condition monitoring; earthing; electric machines; alarm systems; electric machines; grounding currents; rotating machinery; shaft condition monitoring; shaft voltages; Brushes; Condition monitoring; Grounding; Information analysis; Instruments; Machinery; Maintenance; Shafts; Signal processing; Voltage; Alarm systems; compressors; electric machines; generators; monitoring; motors; pumps; rotating machines; signal analysis; turbines;
Journal_Title :
Energy Conversion, IEEE Transactions on
DOI :
10.1109/TEC.2004.827471