DocumentCode
1497763
Title
Stray electric currents in coal mines
Author
Harrison, L. H.
Author_Institution
Bureau of Mines, Birmingham, Ala.
Volume
68
Issue
5
fYear
1949
fDate
5/1/1949 12:00:00 AM
Firstpage
423
Lastpage
423
Abstract
THE HAZARDS represented by stray electric currents in coal mines and earth strata have been a major problem since electric shot-firing methods were introduced some years ago. The accident records of the mining industry are replete with instances of premature explosions and shot-firing accidents of various kinds for which the only logical explanation is stray electric currents in the earth.
Keywords
Coal mining; Current; Degradation; Discharges (electric); Earth; Insulation life; Lightning;
fLanguage
English
Journal_Title
Electrical Engineering
Publisher
ieee
ISSN
0095-9197
Type
jour
DOI
10.1109/EE.1949.6444768
Filename
6444768
Link To Document