Solar tracker

8-megawatt PV plant using horizontal single axis tracker, Greece[1]

The effective collection area of a flat-panel solar collector varies with the cosine of the misalignment of the panel with the Sun.

3-megawatt CPV plant using dual axis trackers in Golmud, China[16]200-kilowatt CPV modules on dual axis tracker in Qingdao, China[17]

A solar tracker is a device that orients a payload toward the Sun. Payloads are usually solar panels, parabolic troughs, fresnel reflectors, mirrors or lenses.

For flat-panel photovoltaic systems, trackers are used to minimize the angle of incidence between the incoming sunlight and a photovoltaic panel. This increases the amount of energy produced from a fixed amount of installed power generating capacity. In standard photovoltaic applications, it was predicted in 2008-2009 that trackers could be used in at least 85% of commercial installations greater than one megawatt from 2009 to 2012. However, as of April 2014, there is not any data to support these predictions.

单词	Solar tracker
释义	Solar tracker 英语百科 Solar tracker A solar tracker is a device that orients a payload toward the Sun. Payloads are usually solar panels, parabolic troughs, fresnel reflectors, mirrors or lenses. For flat-panel photovoltaic systems, trackers are used to minimize the angle of incidence between the incoming sunlight and a photovoltaic panel. This increases the amount of energy produced from a fixed amount of installed power generating capacity. In standard photovoltaic applications, it was predicted in 2008-2009 that trackers could be used in at least 85% of commercial installations greater than one megawatt from 2009 to 2012. However, as of April 2014, there is not any data to support these predictions.
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