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

S. K. Salman; David J. King

doi:10.1109/TDC.1999.756097

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 proceeding › Conference 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 language	English
Title of host publication	1999 IEEE Transmission and Distribution Conference
Subtitle of host publication	a vision into the 21st century
Place of Publication	Piscataway, NJ
Publisher	IEEE
Pages	460-465
Number of pages	6
Volume	2
ISBN (Print)	0780355156, 0780355164
DOIs	https://doi.org/10.1109/TDC.1999.756097
Publication status	Published - Apr 1999
Event	1999 IEEE Transmission and distribution conference: a vision into the 21st century - Ernest N. Morial convention center, New Orleans, United States Duration: 11 Apr 1999 → 16 Apr 1999

Conference

Conference	1999 IEEE Transmission and distribution conference
Country	United States
City	New Orleans
Period	11/04/99 → 16/04/99

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10.1109/TDC.1999.756097

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

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",

author = "Salman, {S. K.} and King, {David J.}",

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Salman, SK & King, DJ 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, IEEE , Piscataway, NJ, pp. 460-465, 1999 IEEE Transmission and distribution conference, New Orleans, United States, 11/04/99. https://doi.org/10.1109/TDC.1999.756097

Monitoring changes in system variables due to islanding condition and those due to disturbances at the utilities' network. / Salman, S. K.; King, David J.

1999 IEEE Transmission and Distribution Conference: a vision into the 21st century. Vol. 2 Piscataway, NJ : IEEE , 1999. p. 460-465.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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AU - King, David J.

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N2 - 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

AB - 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

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