نتایج جستجو برای: wind power density wm

تعداد نتایج: 935044  

Journal: :Biosensors & bioelectronics 2016
Mohammad Mahdi Mardanpour Soheila Yaghmaei

This study reports the fabrication of a microfluidic microbial fuel cell (MFC) using nickel as a novel alternative for conventional electrodes and a non-phatogenic strain of Escherichia coli as the biocatalyst. The feasibility of a microfluidic MFC as an efficient power generator for production of bioelectricity from glucose and urea as organic substrates in human blood and urine for implantabl...

2017
Erotokritos Xydas Meysam Qadrdan Charalampos Marmaras Liana Cipcigan Nick Jenkins Hossein Ameli

Accurate information regarding the uncertainty of short-term forecast for aggregate wind power is a key to efficient and cost effective integration of wind farms into power systems. This paper presents a methodology for producing wind power forecast scenarios. Using historical wind power time series data and the Kernel Density Estimator (KDE), probabilistic wind power forecast scenarios were ge...

Journal: :ChemSusChem 2015
Fang Zhang Nicole LaBarge Wulin Yang Jia Liu Bruce E Logan

A thermally regenerative ammonia battery (TRAB) is a new approach for converting low-grade thermal energy into electricity by using an ammonia electrolyte and copper electrodes. TRAB operation at 72 °C produced a power density of 236 ± 8 Wm(-2), with a linear decrease in power to 95 ± 5 Wm(-2) at 23 °C. The improved power at higher temperatures was due to reduced electrode overpotentials and mo...

Journal: :Journal of the American Statistical Association 2012

Recently, Transverse Flux Permanent Magnet Generators (TFPMGs) have been proposed as a possible generator in direct drive variable speed wind turbines due to their unique merits. Generally, the quality of output power in these systems is lower than multi stage fixed speed systems, because of removing the gears, so it’s important to design these kinds of generators with low ripple and lowe...

Journal: :journal of operation and automation in power engineering 2007
k. afshar a. shokri gazafroudi

wind power generation is variable and uncertain. in the power systems with high penetration of wind power, determination of equivalent operating reserve is the main concern of systems operator. in this paper, a model is proposed to determine operating reserves in simultaneous market clearing of energy and reserve by stochastic programming based on scenarios generated via monte carlo simulation ...

2016
Vijendra Singh

This paper addresses design and development of an artificial neural network based system for prediction of wind energy produced by wind turbines. Now in the last decade, renewable energy emerged as an additional alternative source for electrical power generation. We need to assess wind power generation capacity by wind turbines because of its nonexhaustible nature. The power generation by elect...

2017
Sanli Zhu Jiping Lu Zheng Li Junyi Lin

To improve the controllability of the electric power output and the economic performance of a large-scale wind farm, an auxiliary energy storage system is required. This paper deals with the rule of planning reasonable energy storage power and capacity based on the historical annual mean wind speed data, the probability density of the pulsating wind power output, and the warranted firm power pr...

2008
C. A. Quintero Marrone K. Knorr B. Lange H. G. Beyer

Based on measured and forecasted wind power output it is possible to perform an analysis to assess the fluctuations of wind power generation in power systems. This report consists of two approaches for the analysis and assessment of wind power fluctuations. The first approach consists of a statistical analysis in which the power fluctuations of wind power output were determined by the calculati...

2012
Yeliz Mert Kantar Mehmet Kurban Fatih Onur Hocaoglu

In this paper, the different parameter estimation methods such as maximum likelihood method, least square method, weighted least square method, moments method, the method based on quantiles and maximum spacing method for the Weibull distribution which are widely accepted in wind power studies are presented and discussed. The effect of the selecting parameter estimation method on the estimation ...

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