blockSunRiseSet
Next sunrise and sunset time
Information
This block outputs the next sunrise and sunset time. The sunrise time keeps constant until the model time reaches the next sunrise, at which time the output gets updated. Similarly, the output for the next sunset is updated at each sunset.
The time zone parameter is based on UTC time; for instance, Eastern Standard Time is -5h. Note that daylight savings time is not considered in this component.
Validation
A validation can be found at Buildings.Controls.OBC.CDL.Utilities.Validation.SunRiseSet.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Real | lat | Latitude | |
| Real | lon | Longitude | |
| Real | timZon | Time zone |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Buildings.Controls.OBC.CDL.Interfaces.RealOutput | nextSunRise | Time of next sunrise | |
| Buildings.Controls.OBC.CDL.Interfaces.RealOutput | nextSunSet | Time of next sunset | |
| Buildings.Controls.OBC.CDL.Interfaces.BooleanOutput | sunUp | Output with true if the sun is up |
Contents
| Name | Description |
|---|---|
| nextHourAngleprotected | Calculate the hour angle when the sun rises or sets next time |
| computeSunRiseprotected | Output the next sunrise time |
| computeSunSetprotected | Output the next sunset time |
Revisions
-
January 4, 2022, by Michael Wetter:
Changed implementation to avoid NaN in OpenModelica.
This is for Buildings, issue 2835. -
November 12, 2020, by Michael Wetter:
Reformulated to remove dependency toModelica.Units.SI.
This is for Buildings, issue 2243. -
November 27, 2018, by Kun Zhang:
First implementation. This is for issue 829.