Run a week worth of weather data in SAM

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Sara Lagerholm
Topic Author

14 Oct 2021 16:32 #10134 by Sara Lagerholm

Run a week worth of weather data in SAM was created by Sara Lagerholm

Hi!

I was wondering if it is possible to run just one week worth of data in SAM? Is there an interface where the data can be modeled in batches?

I am trying to figure out what the output of Solar PV would be during 2 specific weeks of the year. I have tried extracting the data from the csv file and creating a new one but SAM won't detect it.

Thank you for your help!

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Paul Gilman

14 Oct 2021 17:04 #10135 by Paul Gilman

Replied by Paul Gilman on topic Run a week worth of weather data in SAM

Hi Sara,

SAM's user interface is designed to run simulations over a complete year (or complete years for the PV models). If you are interested in a period of time less than a year, you can ignore the results for the rest of the time. For example, if you have weather data for the first two weeks in May, you could insert that data into a weather file that covers the entire year, and then ignore results for times outside of that period.

Another approach would be to use the SAM Software Development Kit (SDK) to run simulations one time step at a time. That is possible for some of the performance models. The SDK includes wrappers for a variety of programming languages, and also includes a Python package called PySAM. For more on the SAM SDK and PySAM see: sam.nrel.gov/software-development-kit-sdk.html.

Best regards,
Paul.

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Sara Lagerholm
Topic Author

19 Oct 2021 17:19 #10155 by Sara Lagerholm

Replied by Sara Lagerholm on topic Run a week worth of weather data in SAM

Hi Paul,

thanks for your response, that makes a lot of sense! Is there a way I can extract hourly data from the results after I run the model? I have been playing around with it but all I get when I extract the hourly data for any of the variables is stats for one day instead of the actual hourly data?

Thank you for your time and help,

Sara

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Paul Gilman

19 Oct 2021 23:56 #10156 by Paul Gilman

Replied by Paul Gilman on topic Run a week worth of weather data in SAM

Hi Sara,

You can export time series data from the Data Tables tab on the Results page after you run a simulation.

See the "Export Data and Graphs" topic in Help, under "Reference" in the table of contents for more detail.

Best regards,
Paul.

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