A synchronized generic substation events tripping circuit monitor for electric substation applications

Yang Liu, Rastko Zivanovic, Said Al-Sarawi

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Substation automation system consists of intelligent electronic devices, substation computer and a communication network between them. The network is used for control implementation, protection and monitoring tasks in substations. This paper presents a tripping circuit monitor (TCM) that accurately translates substation event information into a binary data representation using nonintrusive current transducers. The data are then transmitted using generic object oriented substation event message format, which is defined in the latest substation communication standard IEC 61850, onto local Ethernet network. The TCM is also capable of implementing either IEEE 1588-2002 or IEEE 1588-2008 standards to provide synchronized time stamp value for each translated binary data within sub-microsecond accuracy. The substation event data, which is captured by the TCM module, have a number of applications in current electric substations. The main application of the TCM device is to provide a communication interface between electromechanical relays and modern numerical intelligent electronic devices. Other possible applications include improving substation system-wide testing and enhancing substation topology processing in supervisory control and data acquisition systems. Test results that demonstrate the operation of the new TCM module are also presented in the paper.

Original languageEnglish
Pages (from-to)1-16
Number of pages16
JournalInternational Transactions on Electrical Energy Systems
Volume25
Issue number1
DOIs
Publication statusPublished - 1 Jan 2015
Externally publishedYes

Keywords

  • GOOSE
  • IEC 61850
  • IEEE 1588
  • Substation events
  • Synchronization

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