نتایج جستجو برای: transient stability

تعداد نتایج: 422116  

2013
Vahid Jalili-Marandi Fábio Jose Ayres Christian Dufour Jean Bélanger

This paper presents the solutions of a real-time parallel-processing based simulator, eMEGAsim, to perform electromagnetic transient and transient stability simulations for distribution power networks. The electromagnetic transient simulation can be distributed into several processors without adding an artificial delay, and the transient stability simulation tool can model three-phase unbalance...

2016
Luyu Ji Junyong Wu Yanzhen Zhou Liangliang Hao Ying-Yi Hong

To achieve rapid real-time transient stability prediction, a power system transient stability prediction method based on the extraction of the post-fault trajectory cluster features of generators is proposed. This approach is conducted using data-mining techniques and support vector machine (SVM) models. First, the post-fault rotor angles and generator terminal voltage magnitudes are considered...

2005
Jong-Gi Lee Yong-Jun Kwon Young-Hyun Moon RimTaig Lee

Abstract: This paper presents a new approach to perform time simulation of power system transient stability using implicit quadratic integral method. Fast and reliable simulation of the transient stability is required to achieve high reliability based on the online stability assessment. The trapezoidal method has been mainly adopted for this purpose. However, the proposed method shows the possi...

2012
Kavitha R

The main objective of this paper is to perform transient stability analysis using the electrical power systems design and analysis software namely ETAP. The purpose of performing transient stability on the power system is to study the stability of a system under various disturbances. The stability of the power system is the ability of generators to remain in synchronisation even when subjected ...

2014

-----------------------------------------------------------ABSTRACT----------------------------------------------------------It is very important to maintain supply reliability under the deregulated environment. The transient stability problem is one of the major concerns in studies of planning and operation of power systems. Although the equalarea criterion method is useful in determining the ...

2012
Sheela Tiwari

With an increase in power transfer, transient stability is increasingly becoming important for secure operation. With the advent of FACTS devices, the problem of transient stability is being addressed and efforts are under way to utilize the systems to their full capacity. The focus of this work is a neural network predictive controller for a versatile FACTs device, Unified Power Flow Controlle...

A. Doroudi F. Tarivedi

Superconductor fault current limiter (SFCL) is an effective device to suppress high fault currents. This paper presents a comparative study of resistive and inductive fault current limiters from transient stability point of view.  Appropriate location and type of the limiters in a HV substation is selected by a qualitative approach based on the equal area criterion. Study system is simulated by...

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