- 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