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PostPosted: Sun Jan 22, 2017 4:51 am 

Joined: Sun Jan 22, 2017 4:44 am
Posts: 1
I am trying to get data downloads from NSRDB to replace Solar Prospector. I now have found the settings for the NSRDB download wizard to get the correct data and have the "Steps to Import a File Downloaded from NSRDB into PVSYST"

I have also downloaded NREL_PSM_5.zip and placed the file in the meteo directory. I also see a Solar Prospector MEF in the same directory but I don't see the NREL_PSM as a choice for hourly data.

How do I '"install" the MEF file so it becomes an import choice?

Thanks,
Gary


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PostPosted: Wed Jan 25, 2017 3:05 am 
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Joined: Tue Oct 18, 2016 3:31 am
Posts: 126
Inside the ZIP file is the MEF file. You will need to extract that into the meteo directory. You will need to have a site created first for your location. Then you will go to Import ASCII meteo file, under ASCII source, select your PSM weather file, change your names if necessary under "Hourly file to be created", and under conversion, select the MEF file (I have named it NREL PSM 5, but you can rename it to anything), click start conversion.

You will want to see 1990 grayed out in reference year. After you convert, view the meteo file and check the quality. You will most often need to implement a time shift. Re-run the conversion by adding the time shift by opening the conversion template and entering the shift under the date tab. Sorry if this was very brief or repetitive.


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PostPosted: Wed Feb 08, 2017 4:05 pm 

Joined: Thu Jan 24, 2013 5:53 pm
Posts: 10
Thank you!


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PostPosted: Wed Mar 01, 2017 10:53 am 
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Joined: Thu Aug 11, 2016 11:22 am
Posts: 39
Dear all,

Please find a related post here :
viewtopic.php?f=18&t=2736


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PostPosted: Wed May 16, 2018 4:13 pm 

Joined: Wed May 16, 2018 3:47 pm
Posts: 3
Dear all,

I am trying to obtain TMY data from the NSRDB to import it into PVSyst. I already got the TMY file and I am following the steps from this link to add it as my meteo data into PVSyst

https://nsrdb.nrel.gov/sites/default/fi ... clnk&gl=ve

But when I finish the 7th step I cannot get the Ok button to turn on and cannot proceed with the conversion, I followed the exact steps by using a TMY.csv on the ASCII source file option and then click "open" on the conversion section.

I get a red message that says "please define a significant comment".

I do not know why this is. Can you please help me out?

Thanks,
Charles


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PostPosted: Tue Jun 19, 2018 8:09 am 

Joined: Wed May 17, 2017 9:13 pm
Posts: 4
Did you try changing the "Format description" to something more descriptive than the default text "New conversion format for meteo ASCII file"?


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PostPosted: Thu Sep 13, 2018 9:26 pm 

Joined: Fri Jul 07, 2017 3:27 pm
Posts: 16
Quote:
Inside the ZIP file is the MEF file. You will need to extract that into the meteo directory. You will need to have a site created first for your location. Then you will go to Import ASCII meteo file, under ASCII source, select your PSM weather file, change your names if necessary under "Hourly file to be created", and under conversion, select the MEF file (I have named it NREL PSM 5, but you can rename it to anything), click start conversion.

You will want to see 1990 grayed out in reference year. After you convert, view the meteo file and check the quality. You will most often need to implement a time shift. Re-run the conversion by adding the time shift by opening the conversion template and entering the shift under the date tab. Sorry if this was very brief or repetitive.
It's not clear to me what time shift is appropriate. I downloaded NSRDB data and did not select "convert UTC to local time". I then used the .MEF file which was posted by solarguru on 10/17/16 which included a shift of 5 hours. My site is located in UTC-5. I'm getting errors that "GlobHor" data is undefined, and also that my time seems mismatched. Does anyone know what the most appropriate way is to treat NSRDB data, specifically PSM v3?


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