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Load Stability Index for Short-term Voltage Stability Assessment
2019 IEEE Power & Energy Society General Meeting (PESGM), 2019 Short-term voltage stability is closely related to the dynamics and stability of load models. After the identification of the load model parameters, the load stability can be analyzed. In this paper, a load model parameter based load stability index is proposed, with desirable properties of case independency, sufficiency and monotonicity. The composite
Xinran Zhang, David J. Hill
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Mechanism Research of Short-Term Large-Disturbance Voltage Stability
2006 International Conference on Power System Technology, 2006The right understanding of mechanism of short-term large-disturbance voltage stability is very important for further research of voltage stability. In this paper, the actuality of voltage instability research are summarized, the concepts of voltage stability and voltage collapse are expounded.
Tang Yong, Ma Shiying, Zhong Wuzhi
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A New Grid-support Strategy with PV Units to Enhance Short-term Voltage Stability
2019 IEEE PES GTD Grand International Conference and Exposition Asia (GTD Asia), 2019 Modern grid codes demand the integration of voltage support capability with photo-voltaic (PV) generators to ensure a secure and reliable grid operation. On the other hand, short-term voltage instability (STVI) of distribution networks (DNs) is one of the key issues to be addressed due to the rising proportion of induction motor (IM) loads.
Islam, Monirul +3 more
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Real-time monitoring of short-term voltage stability using PMU data
2014 IEEE PES General Meeting | Conference & Exposition, 2013We develop a model-free approach for the short-term voltage stability monitoring of a power system. Finite time Lya-punov exponents are used as the certificate of stability. The time-series voltage data from phasor measurement units (PMU) are used to compute the Lyapunov exponent to predict voltage stability in real time.
Sambarta Dasgupta +3 more
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Analytical Method for Short-Term Voltage Stability Using the Stability Boundary in the P-V Plane
IEEE Transactions on Power Systems, 2014Short-term voltage stability is one of the issues of concern for power system operations. As dispersed power generation is connected to middle- and low-voltage transmission networks, the development of analytical methods will become more important. This paper describes a stability boundary line in the P-V plane of the load bus for the analysis of short-
K. Kawabe, K. Tanaka
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Stability boundary on P-V plane for analysis of short-term voltage stability
2014 Power Systems Computation Conference, 2014Short-term voltage stability is one of the issues of concern for power system operations. As dispersed power generation is connected to middle- and low-voltage transmission networks, the development of analytical methods will become more important. This paper describes a stability boundary line in the P-V plane of the load bus for the analysis of short-
Kenichi Kawabe, Kazuyuki Tanaka
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Transient (Short-Term) Voltage Stability
2021The dynamic behavior of power system can be summarized and reflected by the nonlinear differential-difference-algebraic equations (DDAE). The differential equations partially reflect the dynamic behavior of dynamic elements in the power system, the difference equations partially reflect the discrete actions of system elements, and the algebraic ...
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Contingency assessment for voltage dip and short term voltage stability analysis
2007 iREP Symposium - Bulk Power System Dynamics and Control - VII. Revitalizing Operational Reliability, 2007This paper proposes a novel approach for contingency filtering, ranking and assessment for contingencies that cause power quality and voltage instability problems. The approach consists of two-block technique: the first block filters out dangerous contingencies from a list of credible contingencies; then second block ranks and assesses them. Apart from
Ashutosh Tiwari, V. Ajjarapu
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