SVAL Lookup Error running with created TMY3 file

  • matlaw
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06 Dec 2013 14:53 #2023 by matlaw
I seem to have a problem running with the attached TMY3 file. I can view the hourly data fine, but get this error after running (I get no errors when running a SAM TMY3 file). Not sure I understand the error messages - seems to be related to zenith/azimuth angles but unclear how that would relate to the weather TMY3 file.

Matthew

SAMSIM MESSAGES

MSG[0]: SVAL LOOKUP ERROR trnsys.user_trdsrc
MSG[1]: SVAL LOOKUP ERROR trnsys.user_exe_deck_enabled
MSG[2]: SVAL LOOKUP ERROR trnsys.user_exe_deck_enabled
MSG[3]: SVAL LOOKUP ERROR trnsys.user_exe
MSG[4]: SVAL LOOKUP ERROR trnsys.user_args
MSG[5]: TrnModel::ReadOutput[ncol=50 nalloc=8760 lnchars=3800] = 34 msec
MSG[6]: TrnModel::ReadOutput[ncol=25 nalloc=12 lnchars=2400] = 0 msec
MSG[7]: TrnModel::ReadOutput[ncol=25 nalloc=2 lnchars=1800] = 0 msec
MSG[8]: SVAL LOOKUP ERROR trnsys.target_hourly_folder
MSG[9]: TrnModel Notice: Deleting file '/Users/matlaw/.SAMEXE/SAMEXE-matlaw-INST1-2013.9.20/simdata/GlassPointGeneric/BASE/gss.hourly.out'

MSG[10]: BADTYPE OUTPUT system.monthly.e_gross
MSG[11]: BADTYPE OUTPUT system.monthly.enet
MSG[12]: BADTYPE OUTPUT system.monthly.qsf
MSG[13]: BADTYPE OUTPUT system.monthly.qtpb
MSG[14]: BADTYPE OUTPUT system.monthly.q_to_tes
MSG[15]: BADTYPE OUTPUT system.monthly.q_from_tes
MSG[16]: BADTYPE OUTPUT system.monthly.qsf_hl
MSG[17]: BADTYPE OUTPUT system.monthly.q_tes_hl
MSG[18]: BADTYPE OUTPUT system.monthly.q_dump_tot
MSG[19]: BADTYPE OUTPUT system.monthly.qtursu
MSG[20]: BADTYPE OUTPUT system.monthly.q_fossil
MSG[21]: BADTYPE OUTPUT system.annual.e_gross
MSG[22]: BADTYPE OUTPUT system.annual.enet
MSG[23]: BADTYPE OUTPUT system.annual.qsf
MSG[24]: BADTYPE OUTPUT system.annual.qtpb
MSG[25]: BADTYPE OUTPUT system.annual.q_to_tes
MSG[26]: BADTYPE OUTPUT system.annual.q_from_tes
MSG[27]: BADTYPE OUTPUT system.annual.qsf_hl
MSG[28]: BADTYPE OUTPUT system.annual.q_tes_hl
MSG[29]: BADTYPE OUTPUT system.annual.q_dump_tot
MSG[30]: BADTYPE OUTPUT system.annual.qtursu
MSG[31]: BADTYPE OUTPUT system.annual.q_fossil
MSG[32]: BADTYPE OUTPUT system.annual.fuel_usage

TRNSYS LOG FILE

TRNSYS - the TRaNsient SYstem Simulation program

The Solar Energy Lab at the University of Wisconsin - Madison, USA
Le Centre Scientifique et Technique du Batiment, Sophia Antipolis, France
Transsolar Energietechnik GmBH, Stuttgart, Germany
Thermal Energy System Specialists, Madison Wisconsin, USA

Release 16.xx.xxxx

Simulation log for: "/Users/matlaw/.SAMEXE/SAMEXE-matlaw-INST1-2013.9.20/simdata/GlassPointGeneric/BASE/trnsys.gss.trd"

*** Notice at time : 0.000000
Generated by Unit : Not applicable or not available
Generated by Type : Not applicable or not available
Message : The TRNSYS Executable (TRNExe.exe) and main DLL (TRNDll.dll) are located in "."

*** Notice at time : 1.000000
Generated by Unit : Not applicable or not available
Generated by Type : Not applicable or not available
Message : The azimuth/elevation table is interpolating outside the array bounds

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  • pgilman
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06 Dec 2013 15:18 #2024 by pgilman
Dear Matthew,
The error messages that SAM displays when there is a problem with the weather file are not very helpful. That's because SAM assumes that the weather file is correctly formatted. It does not perform any checks on the data in the weather file, so it has no information about the quality of the data.
The best way to ensure that your weather file is in the correct format is to use SAM's TMY3 weather creator to create the file. To use it, you cut and paste data into a table, and SAM creates a file with the correct TMY3 format.
I took a quick look at your file and noticed that the solar radiation values suggest that sunrise is in the 4:00 hour on January first for a location with a latitude of 18 degrees. Is that what you intended? It is possible that this offset is causing the simulation error.
Best regards,

Paul.

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  • Verlemm
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18 Jun 2014 05:45 #2025 by Verlemm
Dear Paul

I have a similar error when I run SAM. But I use a default weather file which is in the program for the US.
I am new to SAM, so I started to try to use it with the data provided before I search for my data. But it doesn't work.

SAMSIM MESSAGES

MSG[0]: SVAL LOOKUP ERROR trnsys.user_trdsrc
MSG[1]: SVAL LOOKUP ERROR trnsys.user_exe_deck_enabled
MSG[2]: SVAL LOOKUP ERROR trnsys.user_exe_deck_enabled
MSG[3]: SVAL LOOKUP ERROR trnsys.user_exe
MSG[4]: SVAL LOOKUP ERROR trnsys.user_args
MSG[5]: Error reading hourly output file.
MSG[6]: Error reading monthly output file.
MSG[7]: Error reading annual output file.
MSG[8]: SVAL LOOKUP ERROR trnsys.target_hourly_folder
MSG[9]: TrnModel Notice: Deleting file 'C:/users/veronika/Local Settings/Application Data/SAMEXE/SAMEXE-veronika-INST1-2014.1.14/simdata/My_project/BASE/trough.hourly.out'

MSG[10]: TRNSYS Column 'Day_of_year' missing for variable: system.hourly.day_of_year
MSG[11]:
(...)

Regards
Vero

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  • pgilman
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18 Jun 2014 16:19 #2026 by pgilman
Dear Vero,

What kind of a system are you modeling? It is possible that something other than the weather file is causing the error. Would you mind emailing me your SAM file? You can use the website contact form or email sam dot support at nrel dot com.

Best regards,
Paul.

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