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How to simulate EnergyPlus with different time interval schedule?

asked 2025-07-07 00:27:44 -0500

ryunnniii's avatar

updated 2025-07-07 10:20:19 -0500

I want to use a 15-minute time interval schedule for EnergyPlus simulation. I created a new object in the Schedule:Day:List category and entered a 15-minute interval schedule and set 'Number of people schedule name' as a new schedule in the 'People' category. Also, 'Timestep' changed to 4.
However, EP simulation wasn't run and gave me an error below.

* Severe * GetInternalHeatGains: People="PEOPLE_UNIT1", invalid Number of People Schedule Name entered=SCHEDULE1 * Fatal * GetInternalHeatGains: Errors found in Getting Internal Gains Input, Program Stopped

How to run the simulation with the new 15-minute interval schedule? I'm using EnergyPlus 24.1v

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answered 2025-07-07 07:48:43 -0500

Schedule:Day:List is not a widely used EnergyPlus schedule type. It only appears in one example file ( 1ZoneUncontrolled_DDChanges.idf ), and this example file doesn't show how to include the daily schedule into a weekly or yearly schedule. However, in order to reference your Schedule:Day:List schedule by the people object, you need to build a yearly schedule - most likely using Schedule:Week:Daily, and Schedule:Year

The schedule types that I use the most are:

Schedule:Compact - a flexible format for relatively simple schedules Schedule:File - a very flexible format when I want to calculate highly changeable variables for each hour of the simulation.

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Asked: 2025-07-07 00:27:44 -0500

Seen: 45 times

Last updated: Jul 07