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Case study of Wind Energy at National Institute of Technology, Silchar- India

Case study of Wind Energy at National Institute of Technology, Silchar- India. PRESENTED BY Akash Joshi NATIONAL INSTITUTE OF TECHNOLOGY, SILCHAR, ASSAM INDIA. Location of NIT, Silchar. Silchar Latitude : 24° 49’ N Longitude : 92° 46’E Assam, India. Wind data at NIT, Silchar.

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Case study of Wind Energy at National Institute of Technology, Silchar- India

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  1. Case study of Wind Energy at National Institute of Technology, Silchar- India PRESENTED BY Akash Joshi NATIONAL INSTITUTE OF TECHNOLOGY, SILCHAR, ASSAM INDIA

  2. Location of NIT, Silchar Silchar Latitude : 24° 49’ N Longitude : 92° 46’E Assam, India

  3. Wind data at NIT, Silchar • Annual average wind speed is 2.63 m/s • Wind speed is maximum in summer

  4. Savonius Turbine Advantages of S-rotor: 1. Simple and cheap construction 2. Acceptance of wind from any direction thus eliminating the need for reorientation. 3. High starting torque. 4. Relatively low operating speed (rpm)

  5. Analysis • The performance of the machine can be expressed in the form of Power Coefficient (Cp) versus tip-speed ratio (λ). For analysis, the following relations were used:- • Co-efficient of Performance, Cp = Protor/0.5ρV2 • Tip speed ratio (λ) = Velocity of blade tip/Free stream velocity • Graphs showing Cp Vs TSR for different overlapping conditions

  6. Graphs form HOMER • Sample Graphs form HOMER for 3 SAVONIUS Wind Turbine, 1 Battery and 1 inverter of 2kW for above wind data at NIT, Silchar

  7. Conclusion • Wind speed at Silchar is very low • Savonius turbine is the best suitable option • Savonius turbine with 20% overlapping gives the best results. • Co-efficient of Performance at 20% overlapping is 21%

  8. Thank You ! Author : Akash Joshi Contact: akash.joshi@yahoo.com, akash.joshi@rediffmail.com

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