Incidence
Solar incidence angle¶
pvgis-prototype can calculate the solar incidence angle for a given location and moment in time.
Solar Incidence
Time Incidence ⭸
───────────────────────────────────
2020-01-01 15:00:00 0.985
⅀ / μ
╭─────────────────────────────────────────────────╮ ╭─────────────────────────────────────────────────────────────────────────────╮ ╭────────────────╮
│ Start Every End Zone │ │ Location Longitude ϑ, Latitude ϕ = 0.151, 0.8 Angular units Unitless │ │ ⭸ Incidence │
│ 2020-01-01 15:00 - 2020-01-01 15:00 UTC │ │ Definitions Incidence angle: Sun-Vector-to-Surface-Normal Incidence: Iqbal │ │ │
│ │ ╰───────────────────────────────────────────────────────────────── Reference ─╯ ╰─────── Legend ─╯
│ │
╰─────────────────────────────────────────────────╯
Let's ask for a day
pvgis-prototype position incidence \
8.628 45.812 180 0.1 \
--start-time '2010-01-01' \
--end-time '2010-01-02' \
-v
Solar Incidence
Time Incidence ⭸
───────────────────────────────────
2010-01-01 00:00:00 0.0
2010-01-01 01:00:00 0.0
2010-01-01 02:00:00 0.0
2010-01-01 03:00:00 0.0
2010-01-01 04:00:00 0.0
2010-01-01 05:00:00 0.0
2010-01-01 06:00:00 0.0
2010-01-01 07:00:00 0.0
2010-01-01 08:00:00 1.454
2010-01-01 09:00:00 1.335
2010-01-01 10:00:00 1.25
2010-01-01 11:00:00 1.205
2010-01-01 12:00:00 1.206
2010-01-01 13:00:00 1.253
2010-01-01 14:00:00 1.341
2010-01-01 15:00:00 1.461
2010-01-01 16:00:00 0.0
2010-01-01 17:00:00 0.0
2010-01-01 18:00:00 0.0
2010-01-01 19:00:00 0.0
2010-01-01 20:00:00 0.0
2010-01-01 21:00:00 0.0
2010-01-01 22:00:00 0.0
2010-01-01 23:00:00 0.0
2010-01-02 00:00:00 0.0
⅀ / μ
╭─────────────────────────────────────────────────╮ ╭─────────────────────────────────────────────────────────────────────────────╮ ╭────────────────╮
│ Start Every End Zone │ │ Location Longitude ϑ, Latitude ϕ = 0.151, 0.8 Angular units Unitless │ │ ⭸ Incidence │
│ 2010-01-01 00:00 h 2010-01-02 00:00 UTC │ │ Definitions Incidence angle: Sun-Vector-to-Surface-Normal Incidence: Iqbal │ │ │
│ │ ╰───────────────────────────────────────────────────────────────── Reference ─╯ ╰─────── Legend ─╯
│ │
╰─────────────────────────────────────────────────╯
Now, let's ask for a different (geometrucal) definition of the solar incidence angle
pvgis-prototype position incidence \
8.628 45.812 180 0.1 \
--start-time '2010-01-01' \
--end-time '2010-01-02' \
-v \
--sun-vector-to-surface-plane
Solar Incidence
Time Incidence ⭸
───────────────────────────────────
2010-01-01 00:00:00 0.0
2010-01-01 01:00:00 0.0
2010-01-01 02:00:00 0.0
2010-01-01 03:00:00 0.0
2010-01-01 04:00:00 0.0
2010-01-01 05:00:00 0.0
2010-01-01 06:00:00 0.0
2010-01-01 07:00:00 0.0
2010-01-01 08:00:00 0.117
2010-01-01 09:00:00 0.235
2010-01-01 10:00:00 0.321
2010-01-01 11:00:00 0.366
2010-01-01 12:00:00 0.365
2010-01-01 13:00:00 0.318
2010-01-01 14:00:00 0.23
2010-01-01 15:00:00 0.11
2010-01-01 16:00:00 0.0
2010-01-01 17:00:00 0.0
2010-01-01 18:00:00 0.0
2010-01-01 19:00:00 0.0
2010-01-01 20:00:00 0.0
2010-01-01 21:00:00 0.0
2010-01-01 22:00:00 0.0
2010-01-01 23:00:00 0.0
2010-01-02 00:00:00 0.0
⅀ / μ
╭─────────────────────────────────────────────────╮ ╭────────────────────────────────────────────────────────────────────────────╮ ╭────────────────╮
│ Start Every End Zone │ │ Location Longitude ϑ, Latitude ϕ = 0.151, 0.8 Angular units Unitless │ │ ⭸ Incidence │
│ 2010-01-01 00:00 h 2010-01-02 00:00 UTC │ │ Definitions Incidence angle: Sun-Vector-to-Surface-Plane Incidence: Iqbal │ │ │
│ │ ╰──────────────────────────────────────────────────────────────── Reference ─╯ ╰─────── Legend ─╯
│ │
╰─────────────────────────────────────────────────╯
See the difference ? Check out the metadata panels as well !