[Equest-users] (no subject)

Nicholas Caton via Equest-users equest-users at lists.onebuilding.org
Thu Apr 27 16:46:35 PDT 2017


1.       Create a global parameter – I chose to call it “Tracking Mode” and to use numeric values to toggle the setting.

[cid:image001.png at 01D2BF84.23ED2CA0]

2.       Add an expression to the tracking mode dropdown in the meter(s) of interest by right-clicking and selecting the option in the context menu:

[cid:image005.png at 01D2BF85.3D8A8710]

3.       I used the doe2 default expression (what determines the green text) as the starting point, so if you opt to specify a tracking schedule of any kind this input will default to “n/a” (unused).  My additions to the default expression are highlighted for clarity, for anyone interested:

if (#RV(#L("COGEN-TRACK-SCH")) == 0)

then unused

else switch(#PA("Tracking Mode"))

     case 1 : #SI("DONT-RUN","ELEC-METER","COGEN-TRACK-MODE")

     case 2 : #SI("TRACK-THERMAL","ELEC-METER","COGEN-TRACK-MODE")

     case 3 : #SI("TRACK-LESSER","ELEC-METER","COGEN-TRACK-MODE")

     case 4 : #SI("TRACK-GREATER","ELEC-METER","COGEN-TRACK-MODE")

     case 5 : #SI("MAX-OUTPUT","ELEC-METER","COGEN-TRACK-MODE")

     default : #SI("TRACK-ELEC","ELEC-METER","COGEN-TRACK-MODE")

     endswitch

endif

4.       Now if in a parametric run you change the global parameter “Tracking Mode” to any of the values 1 through 5, it will switch the meter’s tracking mode to the corresponding setting in the highlighted switch statement above (i.e. 2 will result in the Track Thermal option):

[cid:image006.png at 01D2BF86.947E6540]


~Nick
[cid:image003.png at 01D2BF84.23ED2CA0]
Nick Caton, P.E., BEMP
  Senior Energy Engineer
  Regional Energy Engineering Manager
  Energy and Sustainability Services
  Schneider Electric

D  913.564.6361
M  785.410.3317
F  913.564.6380
E  nicholas.caton at schneider-electric.com<mailto:nicholas.caton at schneider-electric.com>

15200 Santa Fe Trail Drive
Suite 204
Lenexa, KS 66219
United States

[cid:image004.png at 01D2BF84.23ED2CA0]



From: Equest-users [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of siddharth patil via Equest-users
Sent: Thursday, April 27, 2017 5:25 PM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] (no subject)

Hello, I am modeling PV system into my eQuest model. I want to run it over my baseline model and see how much savings I get. For this I am trying to set a global parameter or the command-keyword method for parametric run. How can I set a global parameter for Electric meter - Cogeneration - Track Mode parameter?

Thanks in advance!

Siddharth S. Patil



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