Results 211 to 220 of about 92,805 (264)

Perpendicular Vibration Displacement as a Low-Frequency Indicator of Surface Roughness in Turning of Aluminum Alloys: An Experimental Feasibility Study. [PDF]

Sensors (Basel)
Karpavičius R, Ščipokas D, Charunov D.   +2 more
europepmc   +1 more source

Bioinspired ionic thermoreceptors with anisotropic architecture for thermotactile perception in robots. [PDF]

Sci Adv
Cai X, Zeng Y, Liu P, Zhang Y, Wang L, Ke H, Long X, Jiang H, Yang W, Gan Z, Chen S, Duan J.   +11 more
europepmc   +1 more source

Intelligent Time-Adaptive Transient Stability Assessment System [PDF]

IEEE Transactions on Power Systems, 2018
Online identification of post-contingency transient stability is essential in power system control, as it facilitates the grid operator to decide and coordinate system failure correction control actions. Utilizing machine learning methods with synchrophasor measurements for transient stability assessment has received much attention recently with the ...
James Jianqiao Yu, Albert Y S Lam, David Hill   +2 more
exaly   +5 more sources

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Direct Transient Stability Assessment with Excitation Control

IEEE Power Engineering Review, 1989
The authors extended the applicability of the transient energy function method by incorporating the exciter effects in the energy of a multimachine power system during the first swing transient. The generator was represented by the two-axis model and the exciter was represented by one gain, one time constant, and one limiter. In this study they compute
A.-A.A. Fouad, V. Vittal, Y.-X. Ni, H.R. Pota, K. Nodehi, H.M. Zein-Eldin, E. Vasahedi, J. Kim   +7 more
openaire   +1 more source

Transient stability probability assessment and statistical estimation

Electric Power Systems Research, 2003
Abstract In the paper, a general analytical method for the probabilistic evaluation of power system transient stability is discussed and a new statistical inference approach for this evaluation is proposed. In particular, the transient stability probability (TSP) is defined and evaluated by taking into account the random nature of both the system ...
F. ALLELLA, CHIODO, ELIO, LAURIA, DAVIDE
openaire   +3 more sources

Basics of Transient Stability Assessment

2021
The basic concepts of transient rotor angle stability are presented in this chapter. The synchronous machine model with its auxiliary controllers and load models are discussed. The procedure to combine all dynamic models with the transmission network model to perform a dynamic simulation is presented.
openaire   +1 more source

A Unified Scheme for Power System Transient Stability Simulation and Transient Stability Assessment

2019 IEEE 8th International Conference on Advanced Power System Automation and Protection (APAP), 2019
Transient stability assessment (TSA) is critical for power system stability analysis and control. Among all efforts to achieve TSA, the transient stability simulation(TSS) plays a fundamental role. In this paper, a unified scheme is proposed for TSS and TSA of numerous power system transient scenarios. The scheme mainly consists of two parts, which are
Songhao Yang, Xinkai Fan, Baohui Zhang, Zhiguo Hao, Hojo Masahide   +4 more
openaire   +1 more source

Transient Stability Assessment For Unbalanced Faults

Proceedings II of the 27st Conference STUDENT EEICT 2021, 2021
The paper describes the model applicable for transient stability assessment for unbalancedfaults. The model itself is derived using symmetrical component representation of the grid. Sensitivityanalysis of zero sequence line reactance, fault location and line length was done using the builtmodel, the influence of unbalanced faults was discussed.
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A parallel transient stability limit search method for online transient stability assessment

2004 International Conference on Power System Technology, 2004. PowerCon 2004., 2005
In this paper, a modified signal energy method called the envelope method will first be proposed to estimate the transient stability limit, and then a parallel envelope method is developed to speed up the limit search for online applications. A new weighting limit estimation formula is used for improving the estimation accuracy and minimizing of the ...
M.J. Jin, K.W. Chan, S.W. Mei, N. Mo, Q. Lo   +4 more
openaire   +1 more source

Risk-based transient stability assessment

PowerTech Budapest 99. Abstract Records. (Cat. No.99EX376), 2003
It is shown how to obtain the probability of transient instability and how the different types of uncertainty can be included. An evaluation is made of the severity or consequences of the loss of a generator caused by an out of step condition. While calculating the probability, the transient stability performance of the system needs to be quantified ...
V. Van Acker, J.D. McCalley, V. Vittal, J.A. Pecas Lopes   +3 more
openaire   +1 more source