نتایج جستجو برای: transient stability assessment

تعداد نتایج: 971430  

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
Noor Izzri Abdul Wahab Azah Mohamed Gabriel Turinici

and Applied Analysis 3 differential equations to be solved in power system stability analysis using the time domain simulation method are the nonlinear ordinary equations with known initial values. Using the classical model of machines, the dynamic behavior of an n-generator power system can be described by the following equation: Mi dδi dt2 Pmi − Pei. 2.1

2015
Yang Li Changjiang Wang

Feature selection of input features is the key issue for pattern recognition-based transient stability assessment (TSA) methods. Considering the possible real-time information provided by phasor measurement units, a group of system-level classification features are firstly extracted from the power system operation condition to construct the original feature set. Then kernelized fuzzy rough sets...

2004
Jeffrey T. Scruggs Lamine Mili

Jeffrey T. Scruggs Lamine Mili The Bradley Department of Electrical and Computer Engineering Virginia Polytechnic Institute and State University Blacksburg, VA 24061-0111 Abstract – In methods for assessing the critical clearing time based on the transient energy function, the dominant procedures in use for detecting the exit point across the Potential Energy Boundary Surface (PEBS) are the ray...

2009
Noor Izzri Abdul Wahab Azah Mohamed

This paper presents transient stability assessment of a large actual 87-bus system and the IEEE 39-bus system using the probabilistic neural network (PNN) with enhanced feature selection and extraction methods. The investigated power systems are divided into smaller areas depending on the coherency of the areas when subjected to disturbances. This is to reduce the amount of data sets collected ...

2012
Anne-Laure Abraham Muniyandi Nagarajan Jean-Baptiste Veyrieras Hélène Bottin Lars M. Steinmetz Gaël Yvert

Natural populations are known to differ not only in DNA but also in their chromatin-associated epigenetic marks. When such inter-individual epigenomic differences (or "epi-polymorphisms") are observed, their stability is usually not known: they may or may not be reprogrammed over time or upon environmental changes. In addition, their origin may be purely epigenetic, or they may result from regu...

Journal: :Sustainability 2021

Recently, because of the many environmental problems worldwide, Korea is moving to increase its renewable energy output due Renewable 3020 Policy. can change depending on factors. It for this reason that institutions should consider instability renewables when linked electric system. This paper describes methodology capacity calculation based probabilistic transient stability assessment. Probab...

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...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید