December 02, 2022
KCNA Pyongyang Times

Automatic sunlight tracking system based on mixed tracing mode

Date: 17/08/2022 | Source: Pyongyang Times | Read original version at source

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The Pyongyang municipal power distribution station has invented and introduced a system to raise the efficiency of solar panels by means of a mixed tracing mode that combines light sensing and time counting.

This technology makes it possible to produce electric power scientifically by communicating with computers, while automatically tracking the position of the sun and monitoring the conditions of solar panels in real time to ensure the reliability of their movements.

The structural elements of the system largely include sensors, control instruments, drives, and solar panels.

Sensors calculate the position of the sun according to the intensity of light and send signals to turn solar panels round to the direction of the sun.

When there is poor sunshine like on rainy or cloudy days, the system rotates solar panels by means of the time counting method.

It also resolves the problem of external shading by the movements of cloud or things around solar panels while monitoring their situation in real time.

And if output voltage falls or there is no change in the rotation angle in any solar panel, it judges that there is something wrong with it and sounds an alarm.

It is free from malfunction by external noise and smooth in control process.

Solar panels do not go beyond the limit of the maximum rotation angle and return to the initial position (direction of sunrise) when the night falls.

The power distribution station ensures 80 percent of the efficiency of solar panels and 10 hours of their working time by introducing this system.

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