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Why is the PV acting the way it does (moving up and down slightly (as the...

Why is the PV acting the way it does (moving up and down slightly (as the controller is in MANUAL)?

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Answer:-

PV array or Photovoltaic arrays(Solar panels) are moving up and down according to sun. Because when the sun light rays are perpendicular to PV array then maximum energy(power) generated in Solar panels. The sun also moves up and down throughout the year.

Solar Azimuth: This is compass angle of the sun as it moves through the sky from EAST to WEST over in a course of a day.

Solar Zenith: This is the angle of the sun looking up from ground level or origin.

Solar panels orientation is based on Azimuth setting. Most of the energy comes from sun arrives in straight line. So, using controllers PV arrays are moves up and down according to Sun light.

Note: If you have any doubt, post a comment....

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