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Re: [EnergyPlus_Support] Weather conversion and time offset





Standard time for EnergyPlus is hour 1 = 00:01 to 1:00.

You probably saw a warning about hour 0 in your .audit file.

At 05:46 AM 12/3/2015, la.epfl@xxxxxxxxx [EnergyPlus_Support] wrote:


Hello,

I am having an issue with the weather file conversion. I am using collected data to create an .epw file for simulation. I put here a sample of the data I am using

CSV:
20/11/2015,00:00,13.300000000000001,84.0,5.0,8.0
20/11/2015,01:00,13.300000000000001,85.72274143302181,5.0,9.0
20/11/2015,02:00,13.800000000000001,82.0,5.0,8.0
20/11/2015,03:00,13.800000000000001,80.56357388316151,5.0,8.0
20/11/2015,04:00,13.699999999999999,86.0,5.0,8.0
20/11/2015,05:00,13.323364485981308,88.255451713395644,5.0,9.0

and the def file is:

&location
City=Lausanne
InLat=46.519
InLong=6.633
InTime=1
InElev=495
/

&wthdata
NumInHour=1
InputFileType='CUSTOM'
InFormat='DELIMITED'
DataElements=Date,HH:MM,Dry Bulb Temperature,Relative Humidity,Global Horizontal Radiation, total sky cover
DataUnits='dd/mm/yyyy','hh:mm','C','%','Wh/m2','tenths'
DataConversionFactors=1,1,1,1,1,1
DelimiterChar=','
DecimalSymbolChar='.'
/

&miscdata
Comments1='Standard EPW Custom def format for reading EnergyPlusCSV files in EnergyPlus Weather Converter'
SourceData='EnergyPlusCSV'
/

&datacontrol
NumRecordsToSkip=0
MissingWindDirAction=DEFAULT
MissingDataAction=DEFAULT
MissingOpaqueSkyCoverAction=DEFAULT
/

In the .epw file produced I have:

2015,11,20,1,0,?9?9?9?9E0?9?9?9?9*9?9*9?9?9*9*9?9?9*9*_*9*9*9*9*9,13.3,10.7,84,95518,9999,9999,342,5,0,5,999900,999900,999900,99990,180,2.5,8,8,999.0,999,9,999999999,0,0.0000,0,88,999.000,999.0,99.0
2015,11,20,2,0,?9?9?9?9E0?9?9?9?9*9?9*9?9?9*9*9?9?9*9*_*9*9*9*9*9,13.3,11.0,86,95518,9999,9999,350,5,0,5,999900,999900,999900,99990,180,2.5,9,9,999.0,999,9,999999999,0,0.0000,0,88,999.000,999.0,99.0
2015,11,20,3,0,?9?9?9?9E0?9?9?9?9*9?9*9?9?9*9*9?9?9*9*_*9*9*9*9*9,13.8,10.8,82,95518,9999,9999,345,5,0,5,999900,999900,999900,99990,180,2.5,8,8,999.0,999,9,999999999,0,0.0000,0,88,999.000,999.0,99.0
2015,11,20,4,0,?9?9?9?9E0?9?9?9?9*9?9*9?9?9*9*9?9?9*9*_*9*9*9*9*9,13.8,10.5,81,95518,9999,9999,345,5,0,5,999900,999900,999900,99990,180,2.5,8,8,999.0,999,9,999999999,0,0.0000,0,88,999.000,999.0,99.0
2015,11,20,5,0,?9?9?9?9E0?9?9?9?9*9?9*9?9?9*9*9?9?9*9*_*9*9*9*9*9,13.7,11.4,86,95518,9999,9999,345,5,0,5,999900,999900,999900,99990,180,2.5,8,8,999.0,999,9,999999999,0,0.0000,0,88,999.000,999.0,99.0
2015,11,20,6,0,?9?9?9?9E0?9?9?9?9*9?9*9?9?9*9*9?9?9*9*_*9*9*9*9*9,13.3,11.4,88,95518,9999,9999,351,5,0,5,999900,999900,999900,99990,180,2.5,9,9,999.0,999,9,999999999,0,0.0000,0,88,999.000,999.0,99.0
2015,11,20,7,0,?9?9?9?9E0?9?9?9?9*9?9*9?9?9*9*9?9?9*9*_*9*9*9*9*9,12.7,11.3,91,95518,9999,999



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Posted by: Linda Lawrie <linda@xxxxxxxxxxxxxx>


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