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Voltage stability indices for stressed power systems
IEEE Transactions on Power Systems, 1993The use of static voltage stability indices based on a singular value decomposition of the power flow Jacobian matrix and matrices derived from the Jacobian matrix is discussed. It is shown that such indices, together with the singular vectors, contain substantial and important information about the proximity to voltage instability and also about ...
Andersson, G, Hill, DJ, Loef, PA
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Accuracy analysis of fixed voltage setpoint indices for voltage stability
2010 International Conference on Power System Technology, 2010There are many voltage stability indices for voltage security assessment and calculating stable margins from operating points to voltage instability at each load bus. Among them, one type of indices based on fixed voltage setpoint is applied in practice. Previous research has proved inaccuracy of these indices with the P-V curve method. This paper aims
null Sun Huadong +2 more
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Line stability indices for voltage collapse prediction
2009 International Conference on Power Engineering, Energy and Electrical Drives, 2009Voltage collapse is a problem that occurs in heavily stressed systems. This paper compares the effectiveness of line stability indices in providing information about the proximity of voltage instability of a electrical power system. Line voltage stability indices can provide an accurate information of the stability condition of the lines of the system ...
Claudia Reis
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Voltage stability indices–A comparison and a review
Computers and Electrical Engineering, 2022István Vokony, Hossam Salama
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Indicating and mitigating voltage collapse comparing voltage stability indicators
2012 3rd IEEE PES Innovative Smart Grid Technologies Europe (ISGT Europe), 2012Novel measures to indicate and mitigate voltage collapse in the power system are presented in this paper. The functionality of conventional and unconventional indicators and mitigating actions are tested in a case study using the IEEE Reliability Test System 1996.
Vegar Storvann +2 more
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A comparison of voltage stability indices
2014 IEEE 8th International Power Engineering and Optimization Conference (PEOCO2014), 2014The stressful condition of power system and high transmission losses leads to voltage security and reliability problems of system operation. If the voltage stability is not assessed and the problems occurred are not mitigated properly, cascading events may occur and this may lead to voltage collapse or blackout events.
N. A. M. Ismail +3 more
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Voltage stability indices for stability assessment: a review
International Journal of Ambient Energy, 2018Right through the past eras, behind numerous shutdowns voltage instability was the cause. Assessment of system voltage consistently ensures safe operation.
AR Nageswa Rao, Priya Vijaya, M Kowsalya
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Evaluation of some indices for voltage stability assessment
2009 IEEE Bucharest PowerTech, 2009The liberalization of the electricity markets causes power systems to work closer and closer to their limits. The online assessment of system security becomes a topic of paramount importance in control centers. In this context fast indices to quickly assess system security are fundamental in an on-line DSA session.
S. GRILLO +3 more
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A Review of Voltage Stability Assessment Techniques with an Improved Voltage Stability Indicator
International Journal of Emerging Electric Power Systems, 2015Abstract A blackout can take place in entire power system or a part of the system due to extreme voltage instability (voltage collapse) that can appear abruptly. Instability prediction and continuous monitoring of the power system performance is, therefore, known exigent.
Mir Sayed Shah Danish +2 more
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