نتایج جستجو برای: مدل weather generator
تعداد نتایج: 204960 فیلتر نتایج به سال:
This project deals with a grid connected wind-PV hybrid distributed generation system employing permanent magnet synchronous generator(PMSG) driven by a variable speed wind turbine and PV array connected to a load and the grid. PMSG wind turbine connected to a dc-dc converter via three phase diode rectifier and PV array along with a dc-dc converter connected to the DC link which operates under ...
this paper provides a review on major ergodic features of semi-independent hyper mv {algebra dynamical systems. theorems are presentedto make contribution to calculate the entropy. particularly, it is proved that thetotal entropy of those semi-independent hyper mv {algebra dynamical systemsthat have a generator can be calculated with respect to their generator ratherthan considering all the par...
Airbag gas generator’s solid propellant, are set of gas-release systems within a short time, Which contains three main components of fuel, oxidizing agents and additives. This article examines the gas generator propellant types and their different functions and then the desired chemical and physical properties of different components and gas-producing propellant formulation may be checked...
This paper presents an approach to calculate the equivalent stray capacitance (SC) of n-turn of the helical flux compression generator (HFCG) coil with multi layer conductor wire filaments (MLCWF) in the form of rectangular cross-section. This approach is based on vespiary regular hexagonal (VRH) model. In this method, wire filaments of the generator coil are separated into many very small simi...
in this research, data fusion (df) method was applied to simulate the hydrological process of taleghan reservoir daily inflow. two different df algorithms were proposed and assessed based on k-nearest neighbors (knn) algorithm. four artificial neural network models and two hammerstein-wiener (hw) models were used as the individual simulation models. comparison of the results between individual ...
Arctic and high altitude ice coring operations require lightweight and efficient equipment. Power sources. fuel and shelter in some cases compose up to 50'J6 of the cargo delivered to a drill ing ite. Solar panel , twotroke gasoline and air-cooled portable diesel generato rs have been u ed in Arctic a.nd high a lt itude glacier to power the drilling etup. On the ummit of Mt. Ki limanjaro (589S ...
با توجه به رشد بالای جمعیت در جهان و نیاز اطمینان از امنیت غذایی، افزایش تولید واحد سطح محصولات زراعی به‌منزلة راهبردی اساسی حل مسئلة تأمین غذا به‌شمار می‌رود. سوی دیگر، وجود محدودیت زیرکشت پایین‌بودن میانگین عملکرد برخی کشاورزی مانند گندم کشور، محصول می‌تواند راهکاری عملی پاسخ کشور محسوب شود. یکی مهم‌ترین بیماری‌های فوزاریوم است که، نقش پیش‌بینی این بیماری جلوگیری کاهش بهره‌وری محصول، مدل‌هایی...
In this research, Magneto-Hydro-Dynamic subsonic flow in a MHD generator has been simulated and its effect on efficiency and power generation of a triple cycle has been investigated. A 2D constant cross-section Faraday channel with segmented electrodes was used as MHD generator. MHD flow was assumed steady and compressible with ideal five-wave model MHD equations. Navier-Stokes equations were ...
The load unbalance is one of inherent features of distribution systems which draws a negative sequence current from islanded synchronous generators. This leads to overheating of the stator and, in particular, the rotor core. In such a case, it is not possible to operate the generator at its associated rated power. Thus, implementing an inverter-based resource in parallel with the synchronous ge...
This paper presents a simulation tool chain for the prediction of thermal comfort in passive urban buildings during summer and under heat wave conditions. The encompasses EnergyPlus building energy model Urban Weather Generator UrbaWind tools to consider impacts environment on loads. is computationally efficient does not require notable expertise simulations. To assess its accuracy, this result...
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