SolarEWAxisPrimary (FUN)

FUNCTION SolarEWAxisPrimary : LREAL

This function calculates angle of east to west axis according to: azimuth, elevation and correction alignment factor. Output parameter is the angle of east to west axis for solar tracking.

InOut:

Scope

Name

Type

Initial

Comment

Return

SolarEWAxisPrimary

LREAL

Input

Azimuth

LREAL

0

1: Sun Azimuth (0°=360°=north , 90°=east , 180°=south , 270°=west)

Elevation

LREAL

0

2: Sun elevation ( 0°=sunrise , max 90°= zenith)

AlignmentCorrection

LREAL

0

3: Axis alignment. Angle between system axis and east (clockwise)