I don't understand exactly what problem you are having. I thought that all the weather data on the EnergyPlus Weather web site are all in *.epw format already.
As far as I'm aware, there is NOT an IWEC (*.iwc) weather file for Rostov, unless someone else had applied the *.iwc extension to a new file.
If this file is truly in the *.iwc format, you will not need a *.def file when using EnergyPlus' Weather program to convert it to *.epw, since Weather recognizes the *.iwc format. If the format is *.csv, you will need a *.def file because "csv" only means that the file is "comma-separated-variables".
If you continue to have problems with this file for Rostov, please note that there are ASHRAE IWEC2 (second version of the IWEC) weather files for Rostov (RUS_ROSTOV-NA-DONU_347310_IW2), and three other locations in Rostov Oblast (Celina, Morozovsk, and Remontnoe). However, ASHRAE IWEC2 files are not free. For more details, please go to http://weather.whiteboxtechnologies.com/ASHRAE/ .
Joe Huang White Box Technologies, Inc. 346 Rheem Blvd., Suite 108D Moraga CA 94556 yjhuang@xxxxxxxxxxxxxxxxxxxxxxxx http://weather.whiteboxtechnologies.com for simulation-ready weather data (o) (925)388-0265 (c) (510)928-2683 "building energy simulations at your fingertips"
On 1/23/2014 12:02 AM, hisham.rashrash wrote:
Dear all,
I downloaded weather data in both .iwc and .csv formats from E+ website and tried converting them into .epw format using utility that comes with EnergyPlus, but it didn't work!
I even found a .def file on E+ website for the conversion utility to define how to convert .csv files but didn't work either!
Attached files in the link below are weather data for that location, Rostov City in Russia, (in both formats), and the .def file:
https://drive.google.com/folderview?id=0B9wHjYS3nb-cVXA2VlVfbkV2WGc&usp=sharing
Please advise.
Best regards,
Hisham
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