Nrel Data conversion

Discussion in 'General Electronics Chat' started by ajitnayak, Mar 18, 2014.

  1. ajitnayak

    Thread Starter Member

    Feb 22, 2013
    36
    0
    I am looking for formula to calculate sun elevation angle from below data .I have download into excel sheet by providing required latitude and longitude.
    Question are:

    • How to calculate Elevation Angle from zenith and azimuth angle.
    • what is refer Top. azimuth angle (westward from S) & Top. azimuth angle (eastward from N) from image
    • What is converted elevation formula to determine elevation angle from east to west
    • I run below code from MPIDE 0023 version But there no increment of zenith azimuth value. but date and time being taken correctly .there is no proper zenith and azimuth angle if i put no working fine in date and time field.
    http://www.nrel.gov/midc/solpos/solpos.html


    Nrel c code
    https://www.nrel.gov/midc/spa/
     
  2. ajitnayak

    Thread Starter Member

    Feb 22, 2013
    36
    0
    Here i have attached Expected result , result i got it from Controller End
     
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