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Tower Heliostat System and Dual-axis Tracking System for CPV and Common PV
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Tower Heliostat System

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The tower heliostat system independently developed and manufactured by GOE is one of the critical components for tower solar thermal power plant. It is a type of concentration device comprised ofplane mirrors, mirror brackets (structural support), tracking transmission mechanism, control system, etc. Tower power generation technology adopts micro-arc mirrors arranged in many arrays and rotatable in dual axis to track the sun and concentrate the sunlight onto the central receiver placed on top of the tower to generate high temperature, which will in turn drive the turbine to generate electricity. 

 


 

Dual-axis Tracking System for CPV and Common PV

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The tracking and control system independently developed and manufactured by GOE employs two types of tracking modes: one is “light control”, which uses the sun sensor (four-quad sensor) to identify the position of the sun based on the difference of sunlight intensity in different area in the sky and then drives the motor to move the support to start tracking; and the second is “time control”, which uses astronomy calculation formula to calculate the coordinate that the Sun is located based on the local longitude and latitude coordinates and time, and then drives the motor to move the support to start tracking. 

 

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