نتایج جستجو برای: state power

تعداد نتایج: 1296009  

2003
Emmanouil Styvaktakis Irene Y. H. Gu Math H. J. Bollen

Power system transients cause problems and disturbances that might be harmful to electronic equipment. ’ However, ve y little have been done to systematically understand and analyze power system transients. There is also a lack of computational effective methods as transients are short and associated with a wide range of events and system conditions. This paper addresses the following issues: (...

شیروانی, حسین , فرخ پیام, امیر , معلم, مهدی , میرزائیان دهکردی, بهزاد , کیوانفرد, محمد ,

In this paper an effective method for the purpose of state estimation of fundamental and harmonics signals in the radial power distribution network is presented. In Addition, the application development of this method to the network observability and data processing is considered and analyzed. One of the most advantages of this method is capability of bad data detection and process of them and ...

Journal: :Studies in Comparative International Development 2008

This paper presents a complete nonlinear model for a wind turbine system with a variable speed cage machine generator, firstly. Then a primary controller which is named “reference signal generator” will be designed to lead system to optimum operating condition at various wind speeds. Regulating terminal voltage of generator, increasing generator efficiency and maximum power tracking...

This paper presents the effect of preload on static and dynamic performance characteristics of several gas-lubricated noncircular journal bearing configurations. The linearized system approach using finite element method is used to obtain both steady state and dynamic characteristics. The results of the investigation shows that preload has a significant effect on frictional power loss and the ...

اقبالی, رحمان, جعفرزاده خطیبانی, مرتضی, دهقانی, جعفر, رحیقی, جواد, سرحدی, خورشید, سعیدی, فرهاد, سلیمی, احسان, صادقی پناه, آرش, قاسم, حسین, لامعی رشتی, محمد,

The Iranian Light Source Facility (ILSF) project is the first large scale accelerator facility which is currently under planning in Iran. On the basis of the present design, circumference of the 3 GeV storage ring is 528 m. Beam current and natural beam emittance are 400 mA and 0.477 nm.rad, respectively. Some prototype accelerator components such as high power solid state radio frequency ampli...

ژورنال: سنجش و ایمنی پرتو 2016

In this research, required information to simulate and perform neutronic calculations for Bushehr nuclear power plant using the MCNPX code was provided. The results of the code were verified with at least one of the operational data from the reactor. In this work, by writing and implementing a comprehensive program to solve the equations of statistical distribution, neutron flux was obtained an...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم انسانی 1391

the present study aimed at investigating how different news agencies using the concept of legitimation/delegitimation represent the same event differently. to this end, van leeuwens (2008) legitimatory/delegitimatory framework was applied to the data gleaned from the iranian state-run news agency fars news, british state-run news agency bbc, and also american state-run news agency voa. the resu...

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