NDLI: Design of a continuous miner motor monitoring system

Content Provider	IEEE Xplore Digital Library
Author	Thalimer, J.R.
Copyright Year	1989
Description	Author affiliation: US Bur. of Mines, Pittsburgh, PA, USA (Thalimer, J.R.)
Abstract	The US Bureau of Mines has been investigating the early detection of insulation failure in squirrel cage induction motors using sophisticated empirical data modeling techniques based on engineering values calculated from the motor line voltage and line current phasors. The research has now progressed sufficiently to design and build a prototype system that simultaneously monitors six motors on a continuous miner. This prototype system consists of a single-board computer-based motor monitor for each motor. Each monitor is connected through a parallel interface to a BITBUS digital I/O (input/output) board. The control computer regularly requests, through BITBUS, a set of three-phase line voltage and line current phasors from each monitor from which it calculates two deterioration values for the motor, one for fault current and one for fault power. An alarm sounds if any value exceeds a preset deterioration threshold. While the monitoring is taking place the system can also display the deterioration history of any motor or display and change system parameters.<>
Starting Page	1576
Ending Page	1579
File Size	364560
Page Count	4
File Format	PDF
DOI	10.1109/IAS.1989.96853
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1989-10-01
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Condition monitoring Insulation Design engineering Computer displays Induction motors Computerized monitoring Prototypes Data engineering Voltage control Fault currents
Content Type	Text
Resource Type	Article

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