The Study On The Contrast Of Power Output Characteristic Of The Resembled Modle Of Concentrated Wind Energy Turbine

The research was from the project《The Research and Manufacture of New Type Wind Turbine(600W-1000W) founded by ISTDP of Inner Mongolia. The research purpose is to test power output characteristic of resembled model of concentrated wind energy turbine carried by truck. And then carry on contrast analysis about the research result, finding out the relation between model configuration and power output.According to the ex-period research foundation(the result of the Pneumatic Characteristic experiment),under three kinds of wind velocities, the highest wind velocity in average is on section 5, the next is the section 4 in order, the lowest is section 3.But from the distribution of current velocity of point 1 and 6 which are near by the circle wall,they all have most high wind velocity on section 3,the next is section 4 in order, the lowest is section 5.so think,on which section there is most high power output,section3, section4 or section 5?Adopt two six-blade impellers (diameter =860mm) and a 100W alternator whose efficiency is 0.65.In resembled model of concentrated wind energy turbine,These two impellers and generator are installed respectively on three different sections of the central circle of model and the power output test was done. Experimental result prove: impeller 1's start-up wind speed is 2.70 m/s ,impeller 2's start-up wind speed is 2.0 m/s .When load is resistance, impeller 1's rating power output is achieved as wind speed is 10.36 m/s; impeller 2's rating power output is achieved as wind speed is 9.70 m/s.Wether load is resistance or storage battery, The power output of two impellers on the section 3 is the highest.The next is the section 4 in order, the lowest is section 5.This experiment result has very important reference value for designing concentrated wind energy turbine and improving cost performance.