2studies on a sic full scale wind turbine converter

... approach also conserved the direction of the changes A bidirectional approach was additionally added as a sensitivity analysis, with the assumption that patients rate an increase in pain in the same ... severity measured on a visual analog scale Ann Emerg Med 2001, 38:633-638 35 Gallagher EJ, Bijur PE, Latimer C, Silver W: Reliability and validity of a visual analog scale for acute abdominal pain in ... mm was determined by non-parametric statistical discriminant analysis The best separation Discussion The VAS is among the most widely used pain scales [30] and has been used in many conditions,...

Ngày tải lên: 20/06/2014, 15:20

... the actual interaction variable Tij.I Note that an actual interaction variable may have several observation variables if the pair appears in multiple assays For those assays with binary observations, ... Additional data file 2) PfamA domains (Figure S1c in Additional data file 2), which are accurate, human crafted multiple alignments, appear to provide a better compromise: PfamA domains contain only ... authors read and approved the final manuscript Additional data files 13 14 15 16 17 The following additional data are available with the online version of this paper Additional data file is the...

Ngày tải lên: 14/08/2014, 08:20

... dc-ac converter appropriate for small wind turbine applications The inverter has a low component count with only power semiconductor switches to accomplish dc-ac conversion Mode 2: Positive half ... can accommodate a wide range of input dc voltage for an improved energy output from variable wind turbine resources The input source and the output grid are separated based on flyback operation ... principles, and computer simulation of the operation for this inverter have proved its feasibility for dc-ac conversion in wind turbine applications ACKNOWLEDGMENT The authors wish to thank Natural Sciences...

Ngày tải lên: 03/01/2014, 19:16

... simulated section's radius (r), the local speed ratio (λr) and the blade twist angle ( φ ) at that section The relative wind speed and angle of attack at each section is calculated by ; (V (1 − a ... induction factors, relative wind speeds and the angle of attacks at each selected section along the blade used for this study Table Test sections operating conditions Blade Section A B C D E Blade ... major parameters, the relative wind speed (Vrel) and the angle of attack (α) These parameters depend upon the free stream wind speed (V∞ ) , the axial and tangential induction factors (a and ã),...

Ngày tải lên: 05/09/2013, 14:58

... Hydro-Québec, Natural Resources Canada and the Natural Sciences and Engineering Research Council of Canada VII [1] REFERENCES C.L Kana; M Thamodharan and A Wolf; “System management of a wind- energy converter , ... B K Bose, and R J Spiegal, “Design and performance evaluation of a fuzzy-logic-based variable-speed wind generation system,” IEEE Trans Ind Applicat., vol IA-33, pp 956– 964, July/Aug 1997 [10] ... ratio Fig.3 : Connection diode rectifier circuits to the generator Unlike constant-speed control, a variable-speed control can adjust the speed of the turbine as the wind speed changes, so as...

Ngày tải lên: 03/01/2014, 19:15

... perceived oral health conditions, satisfaction with oral health status, perceived general health conditions, and pain using a visual analogue scale (VAS) A Visual Analogue Scale is a measurement ... International classification of impairments, disabilities and handicaps Geneva World Health Organisation 1980 Adulyanon S, Sheiham A, Slade GD: Oral impacts on daily performances In Measuring Oral ... modifications An examiner was trained and calibrated to the 2000 and 2003 National Oral Health Survey He was fully aware of the form and criteria for the oral examination of National Survey The...

Ngày tải lên: 18/06/2014, 22:20

... of Difference Equations and Applications (2000), no 4, 417–429 , Nontrivial solutions to a nonlinear boundary value problem on a time scale, Communications on Applied Nonlinear Analysis 11 (2004), ... Communications on Applied Nonlinear Analysis (2001), no 1, 27–36 [4] M Bohner and A Peterson, Dynamic Equations on Time Scales An Introduction with Applications, Birkhă user Boston, Massachusetts, ... completely continuous and asymptotically linear and one bounded and linear, and a Banach space to work in For our particular application, the operators are defined in terms of an appropriate Green’s...

Ngày tải lên: 22/06/2014, 22:20

... carry out an initial re-analysis against a locally generated database that contained 903,842 peptides from translated transcripts from predicted gene models, translated pseudogenes and translated ... FlyBase, 3,818 from 6-frame translations of miscellaneous functional RNA (rRNA, small nuclear RNA (snRNA) and snoRNA) from FlyBase and 2,594 were generated from the 6frame translation of transcripts ... [38] as well as a decoy database strategy and was found to be in the low percentage range Most tandem mass spectra as well as their statistical analysis can be viewed in the PhosphoPep database...

Ngày tải lên: 14/08/2014, 21:20

... Natl Acad Sci USA 2003, 100:4678-4683 Morimoto T, Kadoya R, Endo K, Tohata M, Sawada K, Liu S, Ozawa T, Kodama T, Kakeshita H, Kageyama Y, Manabe K, Kanaya S, Ara K, Ozaki K, Ogasawara N: Enhanced ... model are provided in the Additional data files, including metabolite structures (Additional data file 3), metabolite data (Table S1 in Additional data files and 2), reaction data (Table S2 in Additional ... additional data are available with the online version of this paper: an Excel file containing all supplementary data associated with the iBsu1103 model as Tables S1 to S11 (Additional data file 1); a...

Ngày tải lên: 14/08/2014, 21:20

Ngày tải lên: 05/04/2015, 16:12

... Urban and Environmental Engineering (2011) 15-23 D .A Spera, Models of lift and drag coefficients of stalled and unstalled airfoils in wind turbines and wind tunnels National Aeronautics and Space ... Space Administration, NASA/CR-2008-215434 (2008) National Oceanic and Atmospheric Administration (2014, January) Retrieved from http://www.ncdc.noaa.gov E Hau, Wind turbines: fundamentals, technologies, ... Journal of Renewable and Sustainable Energy (2013) 063118 N Mittal, S Ahmed, N Tenguria, EVALUATION OF PERFORMANCE OF HORIZONTAL AXIS WIND TURBINE BLADES BASED ON OPTIMAL ROTOR THEORY Journal of...

Ngày tải lên: 09/09/2015, 10:17

... design and application of upwind schemes on unstructured meshes, Technical Report AIAA-89-0366, AIAA 27th Aerospace Sciences Meeting, Reno, Nevada, 1989 [13] S.V Patankar, Numerical Heat Transfer and ... Department, McMaster University [10] Takao M., Kuma H., Maeda T., Kamada Y., Oki M., Minoda A A Straight-bladed Vertical Axis Wind Turbine with a Directed Guide Vane Row - Effect of Guide Vane ... [3] A Iida, K Kato, A Mizuno, in Numerical Simulation of Unsteady Flow and Aerodynamic Performance of Vertical Axis Wind Turbines with LES: Proceedings of the 16th Australian Fluid Mechanics Conference,...

Ngày tải lên: 09/09/2015, 10:32

... Ahmad AA, Zawawi NA, Kasim FH, Inayat A Assessing the gasification performance of biomass: a review on biomass gasification process conditions, optimization and economic evaluation Renew Sustain ... the gasifier Using a full- scale experimental biomass gasification plant many operative results were available This fact allowed both to make a detailed comparative analysis with simulation results ... its application to electricity and fuel production Biomass Bioenergy 2008;32:573–81 [3] Kirubakaran V, Sivaramakrishnan V, Nalini R, Sekar T, Premalatha M, Subramanian P A review on gasification...

Ngày tải lên: 01/08/2016, 09:29

... University of Hong Kong, participated in the field tests References [1] Satake N, Suda KI, Arakawa T, Sasaki A, Tamura Y Damping evaluation using full- scale data of buildings in Japan J Struct Eng ... is a cantilever Overall speaking, the mode shapes are reasonable, as they make good physical sense Apart from analysis algorithms, proper setting out of sensor locations and alignment are vital ... primarily to achieve a good modal participation, based on mode shape information from the ambient tests On the floor being excited, the vertical accelerations at ten locations were measured In all...

Ngày tải lên: 25/11/2016, 21:53

... University of Hong Kong, participated in the field tests References [1] Satake N, Suda KI, Arakawa T, Sasaki A, Tamura Y Damping evaluation using full- scale data of buildings in Japan J Struct Eng ... is a cantilever Overall speaking, the mode shapes are reasonable, as they make good physical sense Apart from analysis algorithms, proper setting out of sensor locations and alignment are vital ... primarily to achieve a good modal participation, based on mode shape information from the ambient tests On the floor being excited, the vertical accelerations at ten locations were measured In all...

Ngày tải lên: 09/12/2016, 23:02

... CM-Toyoperal 650M column chromatography of denatured Japanese sea bass scale collagen The chromatographic conditions are shown in Fig scale collagen had three different a chains; a1 , a2 and a3 , giving a ... Japanese sea bass comprised only one a chain, a1 , although red sea bream collagen seemed to have a3 chain (Fig 1) On the contrary, sardine collagen had at least two different a chains, a1 and a2 (Fig ... characterization of collagen from paper nautilus (Argonauta argo, Linnaeus) outer skin Food Chemistry, 76, 149–153 Nagai, T., Worawattanamateekul, W., Suzuki, N et al (2000) Isolation and characterization...

Ngày tải lên: 12/03/2017, 07:45

... with wind- data-based methods, the MPPT ability of a wind turbine is appreciably high if accurate wind data is available However, because of the rapid natural fluctuation of wind, wind speed measurement ... was proposed Compared to a full converter- based VSWT, the use of a DFIG wind turbine is more economical; in fact, DFIG wind turbines are more frequently used in large wind farms Therefore, control ... any perturbation signal However, for the high inertia of a generator wind turbine system, a wind turbine using the MPPT-curve method cannot track the maximum point as rapidly as a wind turbine using...

Ngày tải lên: 10/05/2017, 23:02

... the 22nd international conference on Machine learning [10] Eric Chu, Akanksha Baid, Ting Chen, An-Hai Doan, and Jeffrey F Naughton A relational approach to incrementally extracting and querying ... solution based on its approach with different advantages, however, they also have some shortcomings Information Extraction based solution has low scalability and low adaptability while Text Information ... website usually has its structured information such as location, number of bedrooms, price and area A professor homepage usually contains information about his education, email, department and the...

Ngày tải lên: 23/11/2012, 15:04

... For example, if the organization is known for strong management, your answer should mention that fact and show that you would like to be a part of that team If the company places a great deal of ... good manager? Can you give me some examples? WWW.RabElMagd.com WWW.RabElMagd.com Do you feel that you have top managerial potential? Keep your answer achievementand ask-oriented Rely on examples ... more at your age? Say that this is one reason that you are conducting this job search Don't be defensive 23 What you feel this position should pay? Salary is a delicate topic We suggest that you...

Ngày tải lên: 07/02/2013, 09:37