Epf Main Features
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Epf Main Features

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A Vertical axis wind turbine developed by Energy Power Family company

A Vertical axis wind turbine developed by Energy Power Family company
www.epf-group.it

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Epf Main Features Epf Main Features Presentation Transcript

  • VAWT 3kW Main Features energy power family www.epf-group.it January 2010
  • Summary:  Features of VAWT 3kW  Design Specification  Material Specification  Aerodinamic Specification  Electronic Components Energy Power Family S.a.s. All rights reserved. Confidential and proprietary document. This document and all information contained herein is the sole property of Energy Power Family S.a.s.
  • Features of VAWT cut-in [m/s] 3 Power [W] (experimental) cut-off [m/s] 14 3500 3.084 Speed 3000 Power [W] [m/s] 0 0,00 1 1,12 2500 2.469 2 8,99 3 30,35 Power [W] 4 71,94 2000 1.942 5 140,50 6 242,79 1500 1.496 7 385,54 8 575,49 9 819,40 1.124 1000 10 1124,01 819 11 1496,06 12 1942,29 575 500 13 2469,45 386 14 3084,29 243 141 15 3084,29 30 72 0 16 3084,29 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 17 3084,29 18 3084,29 Wind speed[m/sec] 19 3084,29 For every wind speed the wind miller produce a relative power, the peak power of 3 kW is realized by mean a wind of 14 m / sec Energy Power Family S.a.s. All rights reserved. Confidential and proprietary document. This document and all information contained herein is the sole property of Energy Power Family S.a.s.
  • Features of VAWT average speed [m/sec] 5,85 Wind Curves Sperimentale Weibull 120 S [m/s] Experimental Weibull 0 97 100,0 100 1 94 97,7 2 84 91,2 % probability wind 3 70 81,3 80 4 60 69,3 5 48 56,3 6 38 43,8 7 28 32,5 60 8 20 23,0 9 14 15,6 10 10 10,1 40 11 7 6,2 12 5 3,7 13 4 2,1 20 14 3 1,1 15 2 0,6 16 1 0,3 17 0 0,1 0 18 0 0,1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 19 0 0,0 To evaluate the wind distribution of a site, you can use the Weibull distribution of wind probability , which expresses the probability distribution of an experimental curve Energy Power Family S.a.s. All rights reserved. Confidential and proprietary document. This document and all information contained herein is the sole property of Energy Power Family S.a.s.
  • Features of VAWT [h/year] 8760 Weibull S [m/sec] [%probabilty] Weibull Power[kW] Time [h] Energy [kWh] According to Weibull distribution of 2 91,23 0 569,6 cut-in wind probability , the hours of wind are 3 81,34 0,03 866,4 13,1 4 69,27 0,07 1057,5 54,1 7894 for year; so the energy produced 5 6 56,34 43,77 0,14 0,24 1132,3 1101,1 120,3 211,0 during the year (3399 kWh) is the sum 7 32,48 0,39 989,1 310,7 of the energy produced for each wind 8 23,02 0,58 828,7 398,2 9 15,58 0,82 651,4 454,4 speed in the available time; 10 10,08 1,12 482,5 468,8 11 6,22 1,50 337,6 442,2 12 3,67 1,94 223,6 384,4 13 2,07 2,47 140,4 309,7 14 1,11 3,08 83,7 232,4 15 0,57 3 47,4 cut-off Sum [h/year] [kWh/year] 7894 3399 Energy Stored during year Weibull Energy [kWh] 500 398 454 469 442 311 211 384 54 120 310 13 0 232 866 1057 1132 1101 989 829 651 482 338 224 140 Time[h] 84 Energy Power Family S.a.s. All rights reserved. Confidential and proprietary document. This document and all information contained herein is the sole property of Energy Power Family S.a.s.
  • Features of VAWT Energy stored during the year Weibull 4000 3500 Energy [kWh] 3000 2500 2000 1500 1000 500 0 Time [h] 866 1057 1132 1101 989 829 651 482 338 224 140 84 The energy stored during the year (3399 kWh) is the sum of the energy produced for every wind speed ; Note: 3000 kWh is the energy used by an average household. Energy Power Family S.a.s. All rights reserved. Confidential and proprietary document. This document and all information contained herein is the sole property of Energy Power Family S.a.s.
  • Design specification Space dimension – Innovative Design The dimensions are 3 meters in height and 1.85 meters of diameter: This size ensures a minimum space for the installation and thanks to the height of the turbine, which allows you to take more wind along the entire length of the blade. The size of the turbine are designed in such a way as to achieve a classic installation with the vertical axis of rotation , or by providing an installation with the horizontal axis of rotation, for particular architectural additions. Compactness The structure is designed to be easily mounted and assembled in a packaging . Energy Power Family S.a.s. All rights reserved. Confidential and proprietary document. This document and all information contained herein is the sole property of Energy Power Family S.a.s.
  • Design specification The VAWT is realized by mean: 3 blades with an aerodynamic profiles 3 connecting elements Energy Power Family S.a.s. All rights reserved. Confidential and proprietary document. This document and all information contained herein is the sole property of Energy Power Family S.a.s.
  • Material specification Strength and lightness The entire structure is made for CFRP (carbon fiber reinforced plastic) This ensures to have the highest structural performance, besides allows a minimum weight of the turbine that can be installed on the roof of buildings without problems. Energy Power Family S.a.s. All rights reserved. Confidential and proprietary document. This document and all information contained herein is the sole property of Energy Power Family S.a.s.
  • Aerodinamic specification Performance Aerodynamic profiles are designed to ensure high performance in terms of yeld: The blades have an aerodynamic profile capable of ensuring the start-up at low speed (3 m / sec). The connecting elements have an aerodynamic profile capable of ensuring a minimum aerodynamic loss. Energy Power Family S.a.s. All rights reserved. Confidential and proprietary document. This document and all information contained herein is the sole property of Energy Power Family S.a.s.
  • Electronic components The power generator is a Direct Drive type: With the direct drive technology does not use speed multiplier, in favor of the absence of wear and noise and less maintenance. The inverter and control unit are able to ensure the maximum performance on the output from the generator through a system of tracking the point of maximum power. A monitoring system can be installed for the measurement of the power and energy supplied by the turbine during annually operation. Energy Power Family S.a.s. All rights reserved. Confidential and proprietary document. This document and all information contained herein is the sole property of Energy Power Family S.a.s.
  • EPF BIC città della Scienza Via Coroglio, 57 80124 Naples - Italy P.IVA 05867181215 mobile: +39329.12.93.829 e-mail: info@epf-group.it website: www.epf-group.it Research & Innovation Manager lng. Armando Carcaterra