Updating the PSA sun position algorithm

doi:10.1016/j.solener.2020.10.084

Updating the PSA sun position algorithm

2020-12-01

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Aristides M. Bonanos *

DOI：10.1016/j.solener.2020.10.084

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The algorithm for computing the solar vector of (Blanco et al., 2001) is revisited to improve its accuracy in the period 2020-2050, a period for which the algorithm was not initially designed. The resulting improved algorithm achieves a 25% decrease in the average error of the angular deviation with respect to the true solar vector (from a mean error of 11.81-8.78 arcsec), while simultaneously decreasing the range of variation of the error.

Keyword:

Solar vector

Sun position

Updating the PSA sun position algorithm

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