نتایج جستجو برای: load modelling
تعداد نتایج: 307829 فیلتر نتایج به سال:
چکیده: مقدمه:از زمانی که پرسلن لامینت ونیرها معرفی شده اند، محبوبیت آن ها افزایش یافته است. آماده سازی دندان با استفاده از این روش، محافظه کارانه بوده و همچنین این رستوریشن ها، زیبا می باشند؛ اگرچه بعضی از مطالعات مشکلاتی را از جمله عدم تطابق مارجین و failure load پایین را برای آن ها گزارش کرده اند. جهت ساخت لامینت تراش دندان باید در مینا باشد و عاج را در برنگیرد. در نتیجه محدودیت هایی درباره ...
In this paper, the modelling and design of artificial neural network architecture for load forecasting purposes is investigated. The primary pre-requisite for power system planning is to arrive at realistic estimates of future demand of power, which is known as Load Forecasting. Short Term Load Forecasting (STLF) helps in determining the economic, reliable and secure operating strategies for po...
This paper reports a new and accurate method for load flow solution of radial distribution networks with minimum data preparation. The node and branch numbering need not to be sequential like other available methods. The proposed method does not need sending node, receiving node and branch numbers if these are sequential. The proposed method uses the simple equation to compute the voltage magni...
This paper describes the mathematical modelling of selfexcited induction generators (SEIGs) with are improved electronic load controller (IELC) for microhydel applications supplying variety of loads. In small hydro plants, governor unit of turbine can be eliminated using IELC, which is simple and cost effective. The improved electronic load controller is a combination of a three-phase insulated...
Climate change impact on phosphorus load is modelled and compared for two Swedish rivers with different characteristics. The modelling was based on the ECHAM4/OPYC3 B2 scenario, downscaled with the RCA3 model and a complementary scaling procedure. Hydrology and phosphorus concentrations were simulated for the time period 1961–2100, using the ICECREAM model for arable leaching, and HBV-NP model ...
Growth of wind distributed generation (DG) in the active distribution grids can impact on the operation and planning aspects of network. Therefore, this paper presents a probabilistic load flow problem to evaluate the impacts of wind unit uncertainties on the distribution systems. Proposed method is based on the cumulants technique that is a straightforward approach. This analytical method can ...
Planning robot trajectory is a complex task that plays a significant role in design and application of robots in task space. The problem is formulated as a trajectory optimization problem which is fundamentally a constrained nonlinear optimization problem. Open-loop optimal control method is proposed as an approach for trajectory optimization of cable parallel manipulator for a given two-end-po...
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