Assuming open is required, and as is required, the following 197 results were found.
-
Hi Casey, just wanted to let you know that we've looked into this bug and the documentation is actually correct for all irrad_mode options, but there was a different bug. Option 0 does use Beam + Diffuse, but faulty logic inside the function threw the...
- Type: Forum Post
-
UPDATE: As of SAM 2021.12.02, the Combine Cases macro is replaced by the Calculate generation profiles and nameplate capacity from open cases option on the Power Plant page for the Generic System model and Generic Battery model. See the SAM YouTube...
- Type: Forum Post
-
Hello, That page is obsolete now because you can download historical data directly from the NSRDB website, and as of the latest update to SAM, directly from SAM. Historical data is available for the old MTS1 (TMY2) data, and for the latest PSM v3 data....
- Type: Forum Post
-
SAM nicely accesses utility rates available on the open EI database. However, some demand rates are denominated in $/kW per day versus $/kW per month. SAM imports the daily demand charges without converting them to monthly values. Is it true that SAM is...
- Type: Forum Post
-
Good Afternoon, I'm having trouble deciphering the single axis tracking code in SAM. Specifically what I'm trying to do is model the Utility PV plants in the Solar Integration Dataset. Here's the basic equation I'm using: ARG = sin(zen) * cos(azm -...
- Type: Forum Post
-
Hi, (1) I am trying to understand how SAM calculates the annual water usage, which is reported under summary of the results (CSP physical trough). I am considering the sum of the hourly data for Cycle cooling water mass flow rate makeup (kg/hr) and...
- Type: Forum Post
-
Thanks for quick reply appreciate the help. I did locate the thread about your macro that was expressly for this purpose. After figuring out how to exactly download aka copy and past script txt file and rename kl. I was able to open through Macros...
- Type: Forum Post
-
Hi Ron, UPDATE: As of SAM 2021.12.02, the Combine Cases macro is replaced by the Calculate generation profiles and nameplate capacity from open cases option on the Power Plant page for the Generic System model and Generic Battery model. See the SAM...
- Type: Forum Post
-
Dear Adnan, SAM's PPA financial models can calculate an IRR for a project based on a PPA price that you specify along with other financial parameters. The models can also calculate a PPA price when you provide an IRR as input. The Residential and...
- Type: Forum Post
-
Hi Paul, I'm running into another problem. The beta version has Grid Limits, which I need, as GPA allows us only 100 kW, but the 2018 version does not have Grid Limits. It looks like this means that I need a PySam wrapper for an updated version of...
- Type: Forum Post
-
Dear admin, My name is Hadi and I am a student from the University of Manchester and currently, I’m doing my final year project related to solar equipment. As for now, I’m looking for a method to calculate the cost of solar tower height and heliostat....
- Type: Forum Post
-
UPDATE: As of SAM 2021.12.02, the Combine Cases macro is replaced by the Calculate generation profiles and nameplate capacity from open cases option on the Power Plant page for the Generic System model and Generic Battery model. See the SAM YouTube...
- Type: Forum Post
-
Hello, for a scientific thesis I would like to simulate several wind energy plants.I would have some questions about the formatting: 1.) How is it possible to create the .srw files? I have already prepared my data and put them into a .txt format...
- Type: Forum Post
-
Hi again, After reviewing the file you sent by email, I think the problem is with the EPW weather file. Please try running the Solar Resource File Converter macro to convert the EPW file to the SAM CSV format. This will remove extra data that SAM does...
- Type: Forum Post
-
Hey Paul, Thanks for the response but there seems to be an issue with attachment you sent as when I try to click and open it I get the following error message. Please assist with resolving.Hey Paul, Thanks for the response but there seems to be an issue...
- Type: Forum Post
-
Hi Aldo, Thank you for sending the files. For the PV-Battery file, the message about shading is caused by the EPW weather file. Please follow the instructions posted here to convert the EPW file to SAM CSV: sam.nrel.gov/forum/forum-general/3095. The...
- Type: Forum Post
-
Hi David, Please attach the images you would like to include in your post as files, and then insert them into the message. Cutting and pasting images into the editor does not work reliably. I was able to recover two of the images you posted, but not the...
- Type: Forum Post
-
Hi Ayman, The "Combine Cases" macro is not designed to work with sub-hourly simulations. If you are using weather files with subhourly (15-minute, 30-minute, etc.) data instead of hourly data, you will have to switch to a weather file with hourly data....
- Type: Forum Post
-
Hi Ayman, I cannot think of a reason why you would get different results running the case by itself or from the Combine Systems macro. UPDATE: As of SAM 2021.12.02, the Combine Cases macro is replaced by the Calculate generation profiles and nameplate...
- Type: Forum Post
-
Hi Francisco, The "Combine Cases" method described in sam.nrel.gov/forum/forum-general/3001 simply adds the electricity output of the PV and CSP system together to calculate the system's total output. UPDATE: As of SAM 2021.12.02, the Combine Cases...
- Type: Forum Post