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Title: Underground technology benefits surface operations

Journal Article · · Coal Age
OSTI ID:21107577

Sensitive ground fault relays (GFRs) on high voltage underground electrical equipment have been in used for a number of years to improve mine safety. Advanced GFRs do more than just interrupt fault current flow. They can also reveal linkages as they develop so ground faults are detected before they become critical. 3 figs.

OSTI ID:
21107577
Journal Information:
Coal Age, Vol. 113, Issue 9; ISSN 0009-9910
Country of Publication:
United States
Language:
English