نتایج جستجو برای: power system deregulation

تعداد نتایج: 2591866  

2011
D. S. Javan H. Rajabi M. Rouhani

Deregulation of power system in recent years has changed static security assessment to the major concerns for which fast and accurate evaluation methodology is needed. Contingencies related to voltage violations and power line overloading have been responsible for power system collapse. This paper presents an enhanced radial basis function neural network (RBFNN) approach for on-line ranking of ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی امیرکبیر(پلی تکنیک تهران) - دانشکده مهندسی برق 1386

برای هماهنگی آسان تر رله های جریان زیاد در شبکه های بزرگ و بهم پیوسته لازم است تا رله هایی به عنوان نقاط شروع هماهنگی یا همان نقاط شکست تعیین شود، نقاطی که در آن حلقه های شبکه در دو جهت ساعتگرد و پادساعتگرد باز می شوند. در گذشته روشی مبتنی بر سیستم خبره، عواملی همچون محل منابع و یا سطوح اتصال را درقالب قوانین خبره درنظرگرفته و باتوجه به آن ها به تعیین نقاط شکست پرداخته است. اما تعیین کوچکترین م...

2012
Osamah A. Alsayegh

Kuwait’s electric power system is vertically integrated organization owned and operated by the government. For more than five decades, the government of Kuwait has provided relatively reliable electric services to consumers with subsidized electric service fees. Given the country’s rapid socio-economical development and consequently the increase of electricity demand, a question that inflicts i...

2014
R. Prathiba Dr M. Balasingh Moses M. Karuppasamypandiyan

In restructured power market, power producers and customers utilize the transmission network and try to maximize their benefits. Hence it is important to improve the static ATC for allowing more transaction in future without any transmission limit violation. This paper suggests the method for establishing bilateral/multilateral transaction based on the optimal generator selection and it’s shari...

2002
H. W. Weber C. N. Moser

The verification of existing plans for network restoration after blackouts in European electrical energy systems becomes more and more important with the ongoing deregulation process. For this verification high quality computer models of the electrical system are necessary which are able to generate exact results for all possible restoration scenarios. The most important elements of these model...

2014
C. R. Patel R. M. Patel

With the recent trends towards deregulating power systems around the world, transfer capability computation emerges as the key issue to a smoothly running power market with multiple transactions. Enhancement of available transfer Capability (ATC) is an important topic in current deregulation environment considering loop flows and heavily loaded lines. The thermal limits of transmission lines, v...

2014

The trend, which appears in the development of modern transmission systems, is the more intensive utilization of existing networks. In addition to this, due to deregulation and reconstruction of the electric power industry, the need arises to transport large blocks of power between areas through defined corridors. Further more, the voltage profile of the remote buses of systems is necessary to ...

2012
L. Jebaraj C. Christober Asir Rajan S. Sakthivel C. W. Taylor Claudia Reis Antonio Andrade

Recent day power system networks are having high risks of voltage instability problems and several network blackouts have been reported. This phenomenon tends to occur from lack of reactive power supports under heavily stressed operating conditions caused by increased load demand and the fast developing deregulation of power systems across the world. This paper proposes an application of Shuffl...

2012
J. A. BASKAR R. HARIPRAKASH M. VIJAYAKUMAR

Distributed generation (DG) systems have attracted increased interest due to ever increasing energy consumption, rising public awareness of environmental protection, and steady progress in power deregulation. Different renewable energy sources in the distribution system are integrated through an AC bus. Dynamic models for the main system components, namely, wind energy conversion system (WECS),...

2013
Venkata Padmavathi Sarat Kumar Sahu

In the present day world power system deregulation is at its full stretch. In this deregulated environment ensuring that the power system operates with in its specified limits, which have been traditionally referred to as power system security is the most concerned aspect, which is currently being given at most importance. The term reliability depends on transmission loss. Maintaining the secur...

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