[TRNSYS-users] Is this a bug of Type 109-user?

[Jianhua Fan]

Dear TRNSYS users:

 

I found something very strange with type 109 user which might be a bug
of the component. Can any body who knows explain why and help me to
solve the problem?

 

I noticed the problem when I worked on my system using type 109-user to
read one week of global and diffuse radiation on horizontal surface.
Later I found out that it is a common problem even with the example
(type109.tpf). 

 

If you have time to have a look at it, you can repeat the problem by the
following steps:

1, using Studio open the example in folder

..\Trnsys16\Examples\Weather Data\type109.tpf

2, change simulation start time to 1, stop time to 168 (1 week) and run
the simulation. Focus on radiation data of Wuerzburg. No problem.

3, change time step to 0.5 hour and run the simulation again. Then you
will find that there are no radiation data imported for the first day of
Wuerzburg. 

 

Is that very strange? Why? 

Since I need it to read one week data for comparison between calculation
and measurement, I have to solve the problem. Please stand up and help
me if you know the reason.  

 

Thanks in advance!

 

Jianhua Fan

DTU

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