نتایج جستجو برای: power system model

تعداد نتایج: 4148126  

This paper presents a novel multi-port DC/DC converter which is suitable to be used as the interface of hybrid renewable energy systems. The converter contains three unidirectional power flow ports which two of them are input ports and are connected to two independent energy sources while the third one is the output port that feeds a standalone load. Furthermore, the proposed converter contains...

Journal: :سنجش از دور و gis ایران 0
عبدالمطلب رستگار دانشگاه گلستان علی منصوریان دانشگاه خواجه نصیرالدین طوسی محمد طالعی دانشگاه خواجه نصیرالدین طوسی دیاکو یاری دانشگاه خواجه نصیرالدین طوسی سارا بهشتی فر دانشگاه تبریز

using new approaches to optimize the process of power transmission line routing can solve many complex problems which power transmission line routing decision-makers are faced. due to the expansion of involved parameters we can consider multi-objective evolutionary algorithms as appropriate method in this area. in this thesis with using multi-objective evolutionary algorithms nsga-ii and offere...

Bayesian Networks (BN) provides a robust probabilistic method of reasoning under uncertainty. They have been successfully applied in a variety of real-world tasks but they have received little attention in the area of load-frequency control (LFC). In practice, LFC systems use proportional-integral controllers. However since these controllers are designed using a linear model, the nonlinearities...

معظمی, مجید , هوشمند, رحمت‌الله ,

In a daily power market, price and load forecasting is the most important signal for the market participants. In this paper, an accurate feed-forward neural network model with a genetic optimization levenberg-marquardt back propagation (LMBP) training algorithm is employed for short-term nodal congestion price forecasting in different zones of a large-scale power market. The use of genetic algo...

Journal: :سیاست 0
سید مهدی حسینی متین دانش آموختة دکتری روابط بین الملل دانشکدة حقوق و علوم سیاسی دانشگاه تهران

there have been many debates and discussions about the shape of new international system and its structure in post cold war era by the scholars and writers of international relations discipline. notwithstanding, this question continually being asked that, what kind of structure is being shaped in post cold war era and how does it impact in foreign policy behaviors of political unites in particu...

To provide the required service quality to the consumers connected to the ending buses of radial distribution feeders, the voltage magnitude is set at higher values at the substation point and hence, at the buses located within the beginning feeder sections. The active and reactive powers are in touch with voltage magnitude at the corresponding buses. Accordingly, the voltage increase stimulate...

Journal: :IEEE Transactions on Power Systems 2004

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