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A Study Of The Design Method Of Solar Energy Photovoltaic System With Double-reflective Multi-mirror Focusing Solar Radiation

Posted on:2010-05-04Degree:MasterType:Thesis
Country:ChinaCandidate:L ZhangFull Text:PDF
GTID:2132360275477892Subject:Control theory and control engineering
Abstract/Summary:PDF Full Text Request
At present, the whole world is faced with the common issue to find new recycling clean resources. Though the solar energy has been attached to great importance, it is still not being full-marketing because of the high cost. How to use increase the maximum utilization of solar energy and reduce the expense in operation remains one of the heat topics among scholars and researchers abroad and at home. So, based on current technology, a new ray-gathering photovoltaic generating system put forward in this thesis to improve the intake rate and control the expense.This thesis consists of following main parts:1. The design of solar-collector in the photovoltaic generating system. It can be concluded that the best ray intensity of average photovoltaic battery is as five to six times as the rating by analyzing the output characteristics and other relative elements. So, a double reflection multi-mirror is devised to increase the intake energy and the receiving rate. In the frame of optics, the structure of double reflection multi-mirror is deduced and a new approach to build the mirror receiver is given.2. The design of solar-locating instrument in the photovoltaic generating system. The solar location is calculated in terms with the calendar and the most intensive light to obtain the best intake effect. The sun is accurately traced in respect of the controlling method of two axis of azimuth and elevation angle.3. A miniature double reflection multi-mirror light receiving photovoltaic generating system in experiment is set up to realize step -tracing control of miniature mirror photovoltaic system. The hardware building theory and software designing method is also concluded.Experiments turn out that the ray-receiver can meet the receiving request and the solar-tracking sector is able to locate the sun accurately. The whole system designing method also proves to be practical.
Keywords/Search Tags:photovoltaic battery, solar-collector, automatic trace control, system design
PDF Full Text Request
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