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This dissertation analyzed and evaluated air conditioning of ground source heat pump, air conditioning of the solar energy-ground source energy-ground source heat pump and air conditioning of the wind energy-ground source heat pump from the angle of technology and economy. First, it is analyzed that the operating principle, technical specialty and problems of air conditioning of ground source heat...
In this paper, the wind resources of twenty four regions of Inner Mongolia were assessed. The wind atlas was presented using the WAsP software based on the wind datas of twenty four regions in Inner Mongolia during 1998-2008, which were provided by the China meteorological date sharing service system. Using the Weibull probability density function of wind speed and Weibull distribution function of...
According to wind resource data in different parts, the characteristic wind speeds of wind turbine were calculated. From low cost considerations, the characteristic wind speeds of wind turbine were optimized, the diameters of wind wheel were shortened and the difficulty of technology was reduced, in order to design the wind turbine. Finally the thesis contrasted and validated by Experimental analysis...
In this paper, the wind atlas was presented using the WAsP software based on the wind resource data of four regions in Inner Mongolia during 1998-2008, which were provided by the China meteorological date sharing service system. The scale parameter A and the shape parameter k of Weibull probability density distribution function could be calculated. Furthermore, the cut-in wind speed and rated wind...
As far as the currently used lead-acid battery has poor abilities of self-resistance to overcharge and over-discharge, it is unsuitable for a dedicated storage device of wind turbine. This paper proposed a control strategy of storing and releasing energy about off-grid wind turbine by analyzing and studying the ideal characteristic curve of charging voltage and current of lead-acid battery. The strategy...
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