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Paper Title : Design Of Small Wind Turbine To Operate Grain Mill

ISSN : 2395-1303
Year of Publication : 2022
10.5281/zenodo.6615302

Authors: Jamal Nourain Ibrahim, Mohammed Al fatih, Omer Al mahi Mohammed

         


Abstract
This work represent design of 37.037kw a horizontal- axis wind turbine with three blades to operate grain mill with power of 25KW in Sennar State. The problem of study that sennar suffer about unstable of power generation. The main components and parameters of design were obtained from Sennar state metrological authority and Sudan wind prospecting map from the year 2008 to 2017. These parameters included, average wind speed was5.6m/s at 50m high, wind direction is north, location of turbine in east bank of Blue Nile north Sennar Dam. Design calculation showed , swept area of blade (A)was 860mm2, rotor radius(R)was523.34mm tip speed ratio(λ)was 4.189,angularspeed(ω)was0.0451rad/s, power coefficient (Cp)was0.4,power production(P)was37.037KW,annualenergyproduction (AEP)was54074.02KWh/year. Matlab software with Excel sheet used to obtain all characteristic curves between, pitch angle( β),power coefficient (cp), tip speed ratio( λ),rotor output power(P), relative power(Pr) vs wind speed. Inverter used to convert Ac current to Dc current, storage power by four batteries of 12volt-200amper for each .The study Recommended this work con be extended to include, design the gearbox, add storage unit, design the tower, consider of economic befits and the cost of design and material.

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Keywords
- Design Of Small Wind Turbine To Operate Grain Mill