Technological innovations in deep coal mine power systems

Thomas Novak, Jeffery L. Kohler

Research output: Contribution to journalConference article

1 Citation (Scopus)

Abstract

Various innovations and changes have occurred to underground coal-mine power systems during the past ten years. Some of these are the use of higher utilization and distribution voltages and their associated switchgear; the use of programmable logic controllers for control, monitoring, and diagnostic applications; improved protective relaying with built-in test circuitry; power-factor correction near loads for improved voltage regulations; and modifications to power-system component arrangement. Many of the innovations were necessitated by significant increases in power requirements of face equipment, particularly longwall equipment, while others are the result of improved technology. In either case, improved power-system operating characteristics, as well as enhanced levels of safety, have resulted. This paper describes many of the major innovations that have evolved during recent years.

Original languageEnglish (US)
Pages (from-to)2008-2016
Number of pages9
JournalConference Record - IAS Annual Meeting (IEEE Industry Applications Society)
Volume3
StatePublished - Dec 1 1995
EventConference Record of the 1995 IEEE Industry Applications 30th IAS Annual Meeting. Part 3 (of 3) - Orlando, FL, USA
Duration: Oct 8 1995Oct 12 1995

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Coal mines
Innovation
Electric switchgear
Programmable logic controllers
Voltage control
Monitoring
Electric potential

All Science Journal Classification (ASJC) codes

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

Cite this

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Technological innovations in deep coal mine power systems. / Novak, Thomas; Kohler, Jeffery L.

In: Conference Record - IAS Annual Meeting (IEEE Industry Applications Society), Vol. 3, 01.12.1995, p. 2008-2016.

Research output: Contribution to journalConference article

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AU - Kohler, Jeffery L.

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