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Mining Publication: Technology News 439 - Remote Reset Systems for Continuous Mining Machines Used In Extended Cuts
Keywords: Circuit breakers Coal mining Continuous mining Extended cut mining
Original creation date: August 1994
Authors: AJ Kwitowski, AL Brautigam
Technology News - August 1994
Download PDF Document (0.06 MB)
NIOSHTIC2 Number: 10005462
U.S. Department of the Interior, Bureau of Mines, Technology News 439, 1994 Aug; :1-2
The popularity of extended cut mining is increasing in U.S. coal mines. With this mining method, remote-controlled continuous miners are used to drive entries in excess of 6.1 m (20 ft) inby permanently supported roof. Industry-wide attention is focusing on safety considerations in extended cut mining. A particular problem area is the interruption of power to the continuous miner during an extended cut. Mine workers are tempted to dart under unsupported roof, disregarding regulations and personal safety, to reset circuit breakers on the continuous miner. Information was solicited from various organizations to determine the circumstances that cause power interruptions to extended cut continuous miners. The data accumulated permitted several conclusions to be drawn about why high-voltage circuit breakers trip. From this information, designs for remote reset systems were developed.
Image of publication Technology News 439 - Remote Reset Systems for Continuous Mining Machines Used In Extended CutsTechnology News - August 1994
Download PDF Document (0.06 MB)
NIOSHTIC2 Number: 10005462
U.S. Department of the Interior, Bureau of Mines, Technology News 439, 1994 Aug; :1-2
See Also
Application of Phased Array Technology for Identification of Low Frequency Noise Sources
A Comparison of Longwall & Continuous Mining Safety in U.S. Coal Mines 1988-1997
Guidelines for the Control and Monitoring of Methane Gas on Continuous Mining Operations
Passive Fiber Optic System for Locating, Tracking, and Communicating with Personnel in Coal Mines
Refuge Alternatives in Underground Coal Mines
Remote Methane Sensors
Technology News 453 - Navigation and Control of Continuous Mining Systems for Coal Mining
Technology News 472 - Ventilation of a 40-Foot, Two-Pass, Extended Cut
Underground Evaluation of Coated Flight Bars for a Continuous Mining Machine
Wireless Mesh Mine Communication System
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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