Fault management in electrical distribution systems

Matti Lehtonen, Yves Harmand, Andreas Huber, Giorgio Lembo di, Julius de Vylder

Research output: Book/ReportReport

Abstract

In this report, the different functions and technical solutions of fault management are discussed. The functions concerned are fault detection, fault location, fault isolation and supply restoration. The scope is restricted to the electrical distribution systems in the medium voltage and low voltage domain. The functions of fault management are first studied in general, and their implementation is briefly discussed. The practical implementation of these functions is illustrated by examples from Finland, Italy, Belgium and Germany. Finally, the assessment of the cost effectiveness of fault management functions is discussed and some results, based on practical feasibility analysis are given. It is shown, that in medium voltage overhead networks, a full scale network automation including line switch remote control and remote monitoring of fault indicators is often the most feasible solution. In urban underground systems, the possibilities of network automation usually are restricted to the remote reading of fault indicators at the secondary substations. In large distribution systems, the fault management practices can also be improved by distribution data management systems and by the computer systems for automatic trouble call handling.
Original languageEnglish
Place of PublicationEspoo
PublisherVTT Technical Research Centre of Finland
Number of pages28
ISBN (Print)951-38-4833-7
Publication statusPublished - 1995
MoE publication typeNot Eligible

Publication series

SeriesVTT Tiedotteita - Meddelanden - Research Notes
Number1678
ISSN1235-0605

Fingerprint

distribution system
automation
computer system
data management
management practice
monitoring
cost

Keywords

  • electrical faults
  • fault analysis
  • management
  • distribution systems
  • electric potential
  • cost effectiveness
  • feasibility
  • circuits
  • remote control

Cite this

Lehtonen, M., Harmand, Y., Huber, A., Lembo di, G., & Vylder, J. D. (1995). Fault management in electrical distribution systems. Espoo: VTT Technical Research Centre of Finland. VTT Tiedotteita - Meddelanden - Research Notes, No. 1678
Lehtonen, Matti ; Harmand, Yves ; Huber, Andreas ; Lembo di, Giorgio ; Vylder, Julius de. / Fault management in electrical distribution systems. Espoo : VTT Technical Research Centre of Finland, 1995. 28 p. (VTT Tiedotteita - Meddelanden - Research Notes; No. 1678).
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Lehtonen, M, Harmand, Y, Huber, A, Lembo di, G & Vylder, JD 1995, Fault management in electrical distribution systems. VTT Tiedotteita - Meddelanden - Research Notes, no. 1678, VTT Technical Research Centre of Finland, Espoo.

Fault management in electrical distribution systems. / Lehtonen, Matti; Harmand, Yves; Huber, Andreas; Lembo di, Giorgio; Vylder, Julius de.

Espoo : VTT Technical Research Centre of Finland, 1995. 28 p. (VTT Tiedotteita - Meddelanden - Research Notes; No. 1678).

Research output: Book/ReportReport

TY - BOOK

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AU - Lembo di, Giorgio

AU - Vylder, Julius de

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N2 - In this report, the different functions and technical solutions of fault management are discussed. The functions concerned are fault detection, fault location, fault isolation and supply restoration. The scope is restricted to the electrical distribution systems in the medium voltage and low voltage domain. The functions of fault management are first studied in general, and their implementation is briefly discussed. The practical implementation of these functions is illustrated by examples from Finland, Italy, Belgium and Germany. Finally, the assessment of the cost effectiveness of fault management functions is discussed and some results, based on practical feasibility analysis are given. It is shown, that in medium voltage overhead networks, a full scale network automation including line switch remote control and remote monitoring of fault indicators is often the most feasible solution. In urban underground systems, the possibilities of network automation usually are restricted to the remote reading of fault indicators at the secondary substations. In large distribution systems, the fault management practices can also be improved by distribution data management systems and by the computer systems for automatic trouble call handling.

AB - In this report, the different functions and technical solutions of fault management are discussed. The functions concerned are fault detection, fault location, fault isolation and supply restoration. The scope is restricted to the electrical distribution systems in the medium voltage and low voltage domain. The functions of fault management are first studied in general, and their implementation is briefly discussed. The practical implementation of these functions is illustrated by examples from Finland, Italy, Belgium and Germany. Finally, the assessment of the cost effectiveness of fault management functions is discussed and some results, based on practical feasibility analysis are given. It is shown, that in medium voltage overhead networks, a full scale network automation including line switch remote control and remote monitoring of fault indicators is often the most feasible solution. In urban underground systems, the possibilities of network automation usually are restricted to the remote reading of fault indicators at the secondary substations. In large distribution systems, the fault management practices can also be improved by distribution data management systems and by the computer systems for automatic trouble call handling.

KW - electrical faults

KW - fault analysis

KW - management

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KW - electric potential

KW - cost effectiveness

KW - feasibility

KW - circuits

KW - remote control

M3 - Report

SN - 951-38-4833-7

T3 - VTT Tiedotteita - Meddelanden - Research Notes

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ER -

Lehtonen M, Harmand Y, Huber A, Lembo di G, Vylder JD. Fault management in electrical distribution systems. Espoo: VTT Technical Research Centre of Finland, 1995. 28 p. (VTT Tiedotteita - Meddelanden - Research Notes; No. 1678).