Monitoring changes in system variables due to islanding condition and those due to disturbances at the utilities' network

S. K. Salman, David J. King

Research output: Chapter in Book/Report/Conference proceedingConference contribution

11 Citations (Scopus)

Abstract

The continuous growth in embedded generation (EG) has emphasised the importance of being able to reliably detect loss of mains (LOM) especially when the EG is `islanded' with part of the utility network. Current methods of detection have not proved completely dependable, particularly when the `islanded' load's capacity matches that of the EG. This paper is the result of an investigation, using the Alternative Transients Program (ATP), into new methods of detecting LOM. To determine which system variables can be reliably used to detect LOM, it is necessary to accurately monitor all the relevant signals at the LOM relay location. This requires that the simulation realistically detects all the changes in system variables caused by disturbances on the network. In some cases, the results can vary markedly, depending on such factors as measurement technique and sampling rate. These problems can cause numerical instability leading to errors. The paper discusses these issues and the results obtained from ATP
Original languageEnglish
Title of host publication1999 IEEE Transmission and Distribution Conference
Subtitle of host publicationa vision into the 21st century
Place of PublicationPiscataway, NJ
PublisherIEEE
Pages460-465
Number of pages6
Volume2
ISBN (Print)0780355156, 0780355164
DOIs
Publication statusPublished - Apr 1999
Event1999 IEEE Transmission and distribution conference: a vision into the 21st century - Ernest N. Morial convention center, New Orleans, United States
Duration: 11 Apr 199916 Apr 1999

Conference

Conference1999 IEEE Transmission and distribution conference
CountryUnited States
CityNew Orleans
Period11/04/9916/04/99

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    Salman, S. K., & King, D. J. (1999). Monitoring changes in system variables due to islanding condition and those due to disturbances at the utilities' network. In 1999 IEEE Transmission and Distribution Conference: a vision into the 21st century (Vol. 2, pp. 460-465). IEEE . https://doi.org/10.1109/TDC.1999.756097