نتایج جستجو برای: power system reliability

تعداد نتایج: 2680505  

In power systems, a connected topology is created to increase reliability and economic performance. Increasing dimensions of power systems on the one hand and the need to continuously monitor power systems for secure operation on the other challenge the evaluation of power system security. In such conditions, due to economic conditions and considering the fast growth of consumers in a power sys...

Journal: :Rel. Eng. & Sys. Safety 2001
Roy Billinton Wei Zhang

Reliability evaluation of a large composite generation and transmission system involves extensive and time-consuming calculations. Application of reliability equivalent networks therefore seems necessary in the reliability evaluation of large power systems. An approach is presented to develop an adequacy equivalent of a composite system using network screening. In the proposed method, a power s...

2014
Ming YANG Zhijian ZHANG Hidekazu YOSHIKAWA

This paper presents MFM builder, a platform based on Multilevel Flow Modeling (MFM), which provides a graphical interface for modeling functions of complex artificial systems such as nuclear power plant with emphasizing the designed purposes of systems. Several algorithms based on MFM have been developed for dynamic system reliability analysis, fault diagnosis and quantitative software reliabil...

2017
Nian Shi Yi Luo

Low-CO2-emission wind generation can alleviate the world energy crisis, but intermittent wind generation influences the reliability of power systems. Energy storage might smooth the wind power fluctuations and effectively improve system reliability. The contribution of energy storage to system reliability cannot be comprehensively assessed by the installed capacity of energy storage. The primar...

2004
I. Milosavljevic D. Boroyevich

The need for low-cost, high-reliability, modular, easy to use and maintain power electronics systems is fueling the drive for standardized power electronics building blocks (PEBBs). Increased power density, user-friendly design, multifunctionality and increased reliability are the major issues that are being investigated. This paper proposes a new distributed digital control architecture for me...

2012
G. Kabashi K. Kadriu A. Gashi S. Kabashi V. Komoni

This paper focuses on PSS/E modeling of wind farms of Doubly-fed Induction Generator (DFIG) type and their impact on issues of power system operation. Since Wind Turbine Generators (WTG) don’t have the same characteristics as synchronous generators, the appropriate modeling of wind farms is essential for transmission system operators to analyze the best options of transmission grid reinforcemen...

حاجی زاده گستج, امین, شهیری نیا, امیر حسین, مقدس تفرشی, سید مسعود, مقدم جو, علیرضا,

The annals of history are replete challenges over which feelings have been widely ambivalent. Beyond any shadow of doubt clean and reasonable power production based on environmental problems and lack of fossil fuel sources is one of them. This essay takes an in-depth look at the result of an output simulation of a multi sources hybrid power system includes Wind, PV and Diesel generators to show...

Journal: :journal of ai and data mining 2013
morteza haydari mahdi banejad amin hahizadeh

restructuring the recent developments in the power system and problems arising from construction as well as the maintenance of large power plants lead to increase in using the distributed generation (dg) resources. dg units due to its specifications, technology and location network connectivity can improve system and load point reliability indices. in this paper, the allocation and sizing of di...

2017
Mingjian Cui

Solar power forecasting improvements are mainly 1 evaluated by statistical and economic metrics, and the practi2 cal reliability benefits of these forecasting enhancements have 3 not yet been well quantified. This paper aims to quantify relia4 bility benefits from solar power forecasting improvements. To 5 systematically analyze the relationship between solar power 6 forecasting improvements an...

2012
SHAZIA ZARRIN Shazia Zarrin

Abstract-This paper presents the reliability computation and Bayesian estimation of system reliability when the applied stress and strength follows the power function distribution. The Power Function Distribution is considered as a simple model to assess component reliability and may exhibit a better fit for failure data and also provide more appropriate information about hazard rate. The resul...

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