Early Prevention of Instability-Use of Self Propagating Graph for the Fast Search for Optimal Grid Nodes  to Apply Countermeasures

Evgenia Dmitrova; Hjörtur Jóhannsson; Arne Hejde Nielsen

doi:10.1109/PTC.2013.6652379

Early Prevention of Instability-Use of Self Propagating Graph for the Fast Search for Optimal Grid Nodes to Apply Countermeasures

Evgenia Dmitrova, Hjörtur Jóhannsson, Arne Hejde Nielsen

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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Abstract

This paper presents a method for a fast determination of the grid nodes where countermeasures, in the form of changes in nodal admittance, would provide greatest impact on the stability margin for a specific generator that is facing the risk of instability. The sensitivity of the stability criteria for aperiodic
small signal angular stability to the change in nodal admittance is used as a factor quantifying impact that the node has on the stability of a critical generator. In order to lower the number of nodes which are processed through sensitivity analysis, a selfpropagating graph with discrete steps is applied. The suggested
method is tested on the IEEE 30 bus test system and on the 1648 bus US west coast test system where the results show that the number of nodes processed through sensitivity analysis are well reduced compared to the full sensitivity analysis, illustrating the potential of the developed approach for the fast identification of the optimal nodes for countermeasure application.

Original language	English
Title of host publication	Proceedings of the 2013 IEEE PowerTech Conference
Number of pages	5
Publisher	IEEE
Publication date	2013
DOIs	https://doi.org/10.1109/PTC.2013.6652379
Publication status	Published - 2013
Event	2013 IEEE Grenoble Conference - Grenoble, France Duration: 16 Jun 2013 → 20 Jun 2013 https://ieeexplore.ieee.org/xpl/conhome/6642155/proceeding

Conference

Conference	2013 IEEE Grenoble Conference
Country/Territory	France
City	Grenoble
Period	16/06/2013 → 20/06/2013
Internet address	https://ieeexplore.ieee.org/xpl/conhome/6642155/proceeding

Keywords

Graph theory
Power systems
Sensitivity analysis
Stability

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10.1109/PTC.2013.6652379

Early Prevention of Instability Powertech2013Submitted manuscript, 266 KB

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SOSPO: Secure Operation of Sustainable Power Systems
Østergaard, J. (Project Manager), Jóhannsson, H. (Project Manager), Nielsen, A. H. (Project Participant), Garcia-Valle, R. (Project Participant), Yang, G. (Project Participant), Lind, M. (Project Participant), Blanke, M. (Project Participant), Weckesser, T. (PhD Student), Wittrock, M. L. (PhD Student), Møller, J. G. (PhD Student), Perez, A. (PhD Student), Pedersen, A. S. (PhD Student) & Zhang, X. (Project Participant)
01/01/2012 → 31/03/2016
Project: Research

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Cite this

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title = "Early Prevention of Instability-Use of Self Propagating Graph for the Fast Search for Optimal Grid Nodes to Apply Countermeasures",

abstract = "This paper presents a method for a fast determination of the grid nodes where countermeasures, in the form of changes in nodal admittance, would provide greatest impact on the stability margin for a specific generator that is facing the risk of instability. The sensitivity of the stability criteria for aperiodicsmall signal angular stability to the change in nodal admittance is used as a factor quantifying impact that the node has on the stability of a critical generator. In order to lower the number of nodes which are processed through sensitivity analysis, a selfpropagating graph with discrete steps is applied. The suggestedmethod is tested on the IEEE 30 bus test system and on the 1648 bus US west coast test system where the results show that the number of nodes processed through sensitivity analysis are well reduced compared to the full sensitivity analysis, illustrating the potential of the developed approach for the fast identification of the optimal nodes for countermeasure application.",

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Early Prevention of Instability-Use of Self Propagating Graph for the Fast Search for Optimal Grid Nodes to Apply Countermeasures. / Dmitrova, Evgenia; Jóhannsson, Hjörtur; Nielsen, Arne Hejde.
Proceedings of the 2013 IEEE PowerTech Conference. IEEE, 2013.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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AB - This paper presents a method for a fast determination of the grid nodes where countermeasures, in the form of changes in nodal admittance, would provide greatest impact on the stability margin for a specific generator that is facing the risk of instability. The sensitivity of the stability criteria for aperiodicsmall signal angular stability to the change in nodal admittance is used as a factor quantifying impact that the node has on the stability of a critical generator. In order to lower the number of nodes which are processed through sensitivity analysis, a selfpropagating graph with discrete steps is applied. The suggestedmethod is tested on the IEEE 30 bus test system and on the 1648 bus US west coast test system where the results show that the number of nodes processed through sensitivity analysis are well reduced compared to the full sensitivity analysis, illustrating the potential of the developed approach for the fast identification of the optimal nodes for countermeasure application.

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