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Re: [EnergyPlus_Support] custom weather fil e with multiple years with the converter tool




The weather converter tool cannot create multiple year files -- one must do that by hand.

It can create a weather file with 8784 hours if it is a leap year.

There is an input "TimeHourOffset" that might do what you want for the sun elevation.
(e.g. TimeHourOffset=-.5)


On 2016-02-05 15:47, lukas.rokka@xxxxxxxxx [EnergyPlus_Support] wrote:
Hi,

I'm working on a web tool that creates free weather files for energy
and hygrothermal simulations from gridded mesoscale datasets for a any
location for North Europe Shiny weather data [1]

 Shiny weather data [1]
Data Modelled solar radiation data are retrieved from: SMHI STRÅNG
Ohter parameters are retrieved from: SMHI MESAN

 View on rokka.shinyapps.io [1]
 Preview by Yahoo

The tool creates .def and .cst files from which the user can create
.epw files with the Energyplus 8.4 weather converter tool. This works
fine as long as the data is not longer than 8760 rows. But the weather
converter tool crashes when the .cst file consist of more rows than
8760. Is there something I'm missing here or can't the tool create
multi year files?

Another thing about the weather converter tool is that it seems to be
a half an hour off when calculating the solar elevation used for solar
radiation data. Seems like it calculates the sun's elevation at full
hours (but this should be calculated e.g. at 12:30 for the 13:00
timestamp)

Lukas Lundström

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