- Author
-
Trutt, F. C.
|
Kohler, J. L.
|
Rotithor, H.
|
Novak, T.
- Title
- Sensitive Ground-Fault Protection for Mines. Phase 3. Coordination-Free GFR's for AC Distribution. Mining Research Contract Report.
- Coporate
- Pennsylvania State Univ., University park
- Sponsor
- Bureau of Mines, Washington, DC
- Report
-
OFR 2-89,
June 22, 1988,
97 p.
- Distribution
- Available from National Technical Information Service
- Contract
- J0134025
- Keywords
-
mine safety
|
coal mines
|
circuit protection
|
electrical shock
|
electrical hazards
- Identifiers
- grounding; electric relays; ground fault interruptors; ground fault relays; mine power system coordination