Re: [EnergyPlus_Support] Utility Cost objects

[Jason Glazer <jglazer@xxxxxxxx>]

Jim,

The Tariff Report includes a list of all Native Variables. I 
would suggest you read through the examples in the IORef and 
the 5ZoneEconomicsTariffAndLifeCycleCosts.idf file.

The Heirarchy and Variables section of the IORef is supposed 
to illustrate how they work together. Essentially, variables 
in the economic calculations are holders of monthly values 
that are the inputs and results of using charges. They 
represent inputs, intermediate values, and final 
calculations. I would be happy to add to the documentation 
if you have suggestions.

Jason

On 6/8/2012 4:39 PM, Jim Dirkes wrote:
>
>
> Dear Linda,
>
> We _did_ have some discussion about this, but I could not
> find the email or Help Desk ticket. To be completely frank,
> I didn’t look too hard because I recall that it was still
> fairly vague to me and I put it “on the shelf” for future
> investigation and trials.
>
> The new text that shows up in IDF Editor (which I was
> unaware of prior to your message) is still pretty obtuse to me.
>
> I’d love to have a complete list of “native” variables, an
> explanation of how to create custom variables, and some more
> details about how this all works.
>
> Today’s experiment actually ran, despite my ignorance, and
> appears to have reasonable results. More checking is needed
> though, and I hate to throw darts at the wall without really
> understanding what I’m doing.
>
> On the flip side of that comment, example files are a
> _great_ way to demonstrate how to do something within E+. I
> am very grateful there are so many to look at; I’d be lost
> on a variety of problems without a working example. They
> enable understanding most of the time and make “throwing
> darts” a lot more effective.
>
> *The Building Performance Team
> **James V. Dirkes II, P.E., BEMP , LEED AP
> *1631 Acacia Drive NW
> Grand Rapids, MI 49504
> 616 450 8653
>
> *From:*EnergyPlus_Support@xxxxxxxxxxxxxxx
> [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] *On Behalf Of
> *Linda Lawrie
> *Sent:* Friday, June 08, 2012 2:23 PM
> *To:* EnergyPlus_Support@xxxxxxxxxxxxxxx
> *Subject:* Re: [EnergyPlus_Support] Utility Cost objects
>
> Didn't we try to answer this for you a while back Jim?
>
> The developer said he would put some more info in the IDD
> (that would show up in the IDFEditor when you look at the
> object) but I'm not sure he got to it before V7.1 release
> because he was working on the 62.1 verification report.
>
> He is on vacation right now -- back next week.
>
> It looks like it got expanded but I'm not sure if it is
> clear yet. And perhaps that field needs to be broken into
> two fields? One that is "choice" (i.e. built in) with the
> possibility of user -- I can't tell, really.
>
>
>
> 

-- 
Jason Glazer, P.E., GARD Analytics, 90.1 ECB chair
Admin for onebuilding.org building performance mailing lists


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