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Development of Net Metering Wind Turbine in Dorchester NB

Development of Net Metering Wind Turbine in Dorchester NB. Monelle Comeau, René Thibault , Yves Gagnon and Gérard J. Poitras Civil Engineering Student, 4 th year Faculty of Engineering. Presentation Overview. Introduction Description of Wind Turbine and Site Position of Wind Turbine

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Development of Net Metering Wind Turbine in Dorchester NB

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  1. Development of Net Metering Wind Turbine in Dorchester NB Monelle Comeau, René Thibault, Yves Gagnon and Gérard J. PoitrasCivil Engineering Student, 4th yearFaculty of Engineering

  2. Presentation Overview • Introduction • Description of Wind Turbine and Site • Position of Wind Turbine • Wind Turbine Footing • Preliminary Environmental Impact Assessment • Conclusion

  3. Introduction Elements of Context: • 4 themes : micro-gas turbine, small hydroelectricity, fuel cell and wind energy • Distributed Power Generation for renewable energy in Atlantic Canada • Wind energy theme in collaboration with: Village of Dorchester, UNB and Université de Moncton

  4. Wind Turbine and Site Wind Turbine: • Model : Wenvor 10-30 • Rotor diameter : 10 m • Fiber glass and Carbon fiber blades • Nominal power output : 30 kW • Nominal speed : 12.8 m/s • 25 m flip tower with guy wires • Wind vane orientation rotor AWTS, PEI

  5. Wind Turbine and Site Status of Delivery: • Turbine delivered March 2006 (2 years delay) • No engineering specifications • No technical data • No installation manuel • No operation manuel Dorchester, NB

  6. Wind Turbine and Site

  7. Wind Turbine and Site Site: • 78.74 m x 63.50 m • 2 water reservoirs • Water filtration building Source : ADI Limited

  8. Position of Wind Turbine Goal: • Positioning the wind turbine into the best conditions of wind Structure influence: • 2 water reservoirs • Water filtration building Constraints: • Dimensions of site • Dimension of the wind turbine + anchors • Building, parking lot, water reservoir, fence and roads

  9. Met tower • Met Tower - 21 months of data Site • RUC-2 (Rapid Update Cycle) data - 5 years of data RUC-2 Position of Wind Turbine Meteorologic Analysis Data: Source : Seamless Data Distribution Systems

  10. Position of Wind Turbine • Data Comparison Met Tower RUC-2 Data The Wind Rose : Annual The Wind Rose : Annual N N 18 20 NNW NNW NNE NNE 16 14 15 NW NE NW NE 12 10 10 8 WNW WNW ENE ENE 6 5 4 2 W 0 E W 0 E WSW WSW ESE ESE SW SE SW SE SSW SSW SSE SSE S S % of power % of time % of power % of time

  11. (standardized) Average Speed Met tower (m/s) Missing data (%) Position of Wind Turbine Evolution of the average monthly wind speed 1 100 0,9 90 0,8 80 0,7 70 0,6 60 Missing data (%) 0,5 50 0,4 40 0,3 30 0,2 20 0,1 10 0 0 200211 200303 200307 200311 200403 200407 Time (Month) RUC-2

  12. Position of Wind Turbine • Place wind turbine in the North corner of the site • Wind perturbed by reservoirs in the South South-West and South-West directions • Wind turbine positioned to capture dominant winds

  13. 59.7 44.2 63.5 42.9 78.8 25 42 Position of Wind Turbine Structure on site Wind turbine (lowered) and structure (all dimensions are in meters)

  14. Position of Wind Turbine • Position of Wind Turbine with Constraints

  15. Wind Turbine Footing Load Calculation: • Dead Load • Wind Load (Norms: IEC/CEI 1400-2) • Ice Load Following the standard CAN S37-94: • 6 different cases of loading • For each different cases: - 2 directions of wind - 2 loading modes of forces on the guy wires (distributed/point load)  24 analysis of calculation

  16. Rotor Stay type 1 Stay type 2 Anchor 4 Anchor 1 Base Anchor 3 Stay type 3 Anchor 2 Wind Turbine Footing Results: • Guy wires Type 1 : 98.7 kN Type 2 : 36.8 kN Type 3 : 23.9 kN • Base: Fx = 2.1 kN Fy = 279.3 kN • Anchor: Fx = 113.5 kN Fy = 109.1 kN

  17. mt pfa mt loa ha nt la pft qt ot qt Wind Turbine Footing Size of Footing: pft = 1.8 m qt = 1.7 m nt = 1.5 m pft = 1.8 m mt = 0.8 m pfa = 2.4 m la = 0.9 m Ha = 0.6 m loa = 2.5 m Verification already made: • Sliding Security Factor • Overturning Security Factor

  18. Preliminary EnvironmentalImpact Assessment Non-formal study being used: • To identify the harmful impacts - If necessary, provide some solutions • To identify positive impacts • Inspired from document: Environmental Impact Statement Guidelines for Screenings of Inland Wind Farms Under the Canadian Environmental Assessment Act

  19. Preliminary EnvironmentalImpact Assessment Impacts studied: • Noise • Visual • Influence on wildlife and vegetation • Electromagnetic interference • Security • Social impact

  20. Preliminary EnvironmentalImpact Assessment Conclusion of the EIA: • Few negative environmental impacts are expected - Subjective visual impact • Beneficial aspects of the project: - Energy production without GHG emission - Tourism attraction - Research infrastructure - Good project for net metering research

  21. Conclusion Stages finished: • Position of wind turbine • Wind turbine footing (Verification) - Sliding security factor - Overturning security factor Stages to Come: • All calculations must be verify • Some calculations must be verified (soil capacity, reinforcement steel) • Detailed footing plan • NBPower agreement for the net metering • Modality of connexion on the grid • …

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