Coordination-free ground-fault relay for ac mine distribution systems

F. C. Trutt, H. G. Rotithor, Jeffery L. Kohler

Research output: Contribution to journalConference articlepeer-review

Abstract

A brief review of the coordination-free, ground-fault-protection concept is presented, followed by a discussion of major design considerations. The actual design of a coordination-free relay system is then described along with laboratory test results. Based on experimental data, it is found that the coordination-free, ground fault relay meets operational objectives. When tested with a commonly utilized ground check monitor, it was found that this system should be usable for projected cable lengths up to 4000 ft.

Original languageEnglish (US)
Pages (from-to)1267-1271
Number of pages5
JournalConference Record - IAS Annual Meeting (IEEE Industry Applications Society)
Volume35 n 6
StatePublished - Dec 1 1988

All Science Journal Classification (ASJC) codes

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

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