نتایج جستجو برای: LOEE
تعداد نتایج: 8 فیلتر نتایج به سال:
This paper discusses how wind power uncertainty affects power system adequacy from an operational point of view. A method is presented to produce wind power generation simulated data to feed a Monte Carlo scheme. The Monte Carlo scheme randomly selects forced outage patterns for each conventional generator and wind power simulated patterns in order to evaluate how system adequacy metrics, such ...
The Lippia origanoides H.B.K. ethanol extract (LOEE) and hexane (LOHEX), dichloromethane (LODCM), and ethyl acetate (LOEA) fractions were tested for their antimicrobial activity alone or in combination with antibiotics against a methicillin resistant Staphylococcus aureus (MRSA) strain. The natural products did not show antimicrobial activity against multidrug resistant strain at the clinically...
In this paper, we consider a microgrid system with uncertainties in wind power generation due to environmental conditions and mechanical failures. The system is described by Agent-Based Modelling (ABM). Prediction Intervals (PIs) are estimated to characterize the uncertain environmental parameters of the microgrid working scenarios. The estimation is made by a Genetic Algorithm (GA) – trained N...
A higher penetration of EVs may pose several challenges to the power systems, including reliability issues. To analyze impact on a detailed EV charging infrastructure is considered in this study. All possible locations (home, workplace, public locations, and commercial fast chargers) different levels (level 1, level 2, DC charging) are considered, seven infrastructures determined first. Then, e...
Operators of renewable energy systems (RESs) must always manage uncertainty to some extent ensure the reliability and security electric power supply source. The guiding principle in this regard is service quality by balancing load variations with variable (VRE) sources. If generated these VRE sources not properly managed conjunction varying load, grid may fail achieve required balance. To its r...
Given the substitution process of generators using renewable energy sources instead of conventional generators in modern power systems, this paper proposes a Monte Carlo based method to determine an optimal level of this change. At first, LOLE index of the system was calculated without wind power to obtain the reference index. Then, the wind turbine units are replaced with the conventional gene...
تامین انرژی الکتریکی قابل اعتماد با هزینه معقول و اقتصادی برای مشتریان مهمترین هدف طراحان و بهره برداران سیستم های قدرت الکتریکی می باشد. باد یکی از منابع انرژی بسیار متغیر می باشد، لذا نحوه طراحی خطوط انتقال مناسب جهت تحویل توان الکتریکی بدست آمده از این نوع منبع انرژی، با طراحی هایی که برای سایر منابع معمول انرژی انجام می شود متفاوت خواهد بود. از طرف دیگر مزیت های اقتصادی و قابلیت اطمینان اضا...
The two main plagues of image restoration rre oscillatione and smoothing. Tladitiond image reetoration techniques prevent parasitic oscillationg by reeotting to emooth tegularization. Ilence, aingular image features rnd oecillatory textures cannot be reatored. The us€fulness of images oL tained by smooth regularization ir very limited. Regularized faces and characters loee features and are unre...
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