Hi, Xing
Your building entry still hve problems (5 severe errors). It is possible that the exported IDF text is not the same as the IDF in the third party software.
You should follow the steps given by Jim Dirkes to display the variables and to trace the program operation.
It is not possible to control five zones of a large building and hope to get the correct answer.
You may ignore the basement, the EPlus simulation will not.
I mentioned to you last time that, if you use templates in the IDF, do not use the IDFeditor to sort or change the expIDF and then send me the IDF. It is quite difficult to un-sort the groups and zones.
The temperture control does not work for DesignDay simulation, because you have changed some schedules again.
Dr. Li
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
From: xing.shi.2006@xxxxxxxxx
Date: Sat, 17 Sep 2011 16:26:38 +0800
Subject: [EnergyPlus_Support] How to reduce "not met hours"
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Primary EnergyPlus support is found at:
http://energyplus.helpserve.com or send a message to energyplus-support@xxxxxxxx
The primary EnergyPlus web site is found at:
http://www.energyplus.gov
The group web site is:
http://groups.yahoo.com/group/EnergyPlus_Support/
Attachments are currently allowed but be mindful that not everyone has a high speed connection. Limit attachments to small files.
EnergyPlus Documentation is searchable. Open EPlusMainMenu.pdf under the Documentation link and press the "search" button.
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Your building entry still hve problems (5 severe errors). It is possible that the exported IDF text is not the same as the IDF in the third party software.
You should follow the steps given by Jim Dirkes to display the variables and to trace the program operation.
It is not possible to control five zones of a large building and hope to get the correct answer.
You may ignore the basement, the EPlus simulation will not.
I mentioned to you last time that, if you use templates in the IDF, do not use the IDFeditor to sort or change the expIDF and then send me the IDF. It is quite difficult to un-sort the groups and zones.
The temperture control does not work for DesignDay simulation, because you have changed some schedules again.
Dr. Li
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
From: xing.shi.2006@xxxxxxxxx
Date: Sat, 17 Sep 2011 16:26:38 +0800
Subject: [EnergyPlus_Support] How to reduce "not met hours"
Dear All,
We have an ASHRAE 90 system 8 baseline building. The E+ model appears to be correct but the "unmet hours" is a little too high. Cooling and heating unmet both exceed 200. According to ASHRAE 90, we should increase the system capacity incrementally until unmet (cooling + heating) is below 300. We changed the sizing factor in Sizing:Parameters but surprisingly found that it had very little effect on the unmet hours.
Attached is the IDF file. Why is that? What should we do to reduce the unmet hours. Thank you!
XS
__._,_.___
Primary EnergyPlus support is found at:
http://energyplus.helpserve.com or send a message to energyplus-support@xxxxxxxx
The primary EnergyPlus web site is found at:
http://www.energyplus.gov
The group web site is:
http://groups.yahoo.com/group/EnergyPlus_Support/
Attachments are currently allowed but be mindful that not everyone has a high speed connection. Limit attachments to small files.
EnergyPlus Documentation is searchable. Open EPlusMainMenu.pdf under the Documentation link and press the "search" button.
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