Sensitive dc ground fault relays for coal mines

Michael R. Yenchek, Frederick C. Trutt, Jeffrey L. Kohler, Lloyd A. Morley, Thomas Novak

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Recent US Bureau of Mines sponsored research aimed at virtually eliminating electrocutions on de utilization cireuits has resulted in an effective dc cireuit protection device, called a sensitive ground fault relay (GFR). This relay can detect and act to interrupt small deadly ground currents that can trigger ventricular fibrillation in humans while ignoring spurious power System Signals. Initially relay Performance criteria were established to ensure reliability for mine duty as well as effectiveness for shock prevention. Mineworthy prototypes, consisting of a saturable-transformer current sensor and an electronic relay, were construeted. They complied with the Performance Standards in laboratory tests.

Original languageEnglish (US)
Pages (from-to)736-741
Number of pages6
JournalIEEE Transactions on Industry Applications
VolumeIA-23
Issue number4
DOIs
StatePublished - Jan 1 1987

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Coal mines
Signal systems
Electric instrument transformers
Sensors

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

Cite this

Yenchek, M. R., Trutt, F. C., Kohler, J. L., Morley, L. A., & Novak, T. (1987). Sensitive dc ground fault relays for coal mines. IEEE Transactions on Industry Applications, IA-23(4), 736-741. https://doi.org/10.1109/TIA.1987.4504973
Yenchek, Michael R. ; Trutt, Frederick C. ; Kohler, Jeffrey L. ; Morley, Lloyd A. ; Novak, Thomas. / Sensitive dc ground fault relays for coal mines. In: IEEE Transactions on Industry Applications. 1987 ; Vol. IA-23, No. 4. pp. 736-741.
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Yenchek, MR, Trutt, FC, Kohler, JL, Morley, LA & Novak, T 1987, 'Sensitive dc ground fault relays for coal mines', IEEE Transactions on Industry Applications, vol. IA-23, no. 4, pp. 736-741. https://doi.org/10.1109/TIA.1987.4504973

Sensitive dc ground fault relays for coal mines. / Yenchek, Michael R.; Trutt, Frederick C.; Kohler, Jeffrey L.; Morley, Lloyd A.; Novak, Thomas.

In: IEEE Transactions on Industry Applications, Vol. IA-23, No. 4, 01.01.1987, p. 736-741.

Research output: Contribution to journalArticle

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Yenchek MR, Trutt FC, Kohler JL, Morley LA, Novak T. Sensitive dc ground fault relays for coal mines. IEEE Transactions on Industry Applications. 1987 Jan 1;IA-23(4):736-741. https://doi.org/10.1109/TIA.1987.4504973