[BLDG-SIM] SPAM: eQust and DoE simulation in China

Vikram Sami VSami at lasarchitect.com
Thu Oct 5 10:50:42 PDT 2006


I have used the eQUEST PV simulation, and compared it to a RETScreen model. There seems to be very good agreement between the 2. That being said, I happened to do the correlation on only one model - I would be curious if anyone else has had similar results. I was pretty satisfied with the eQUEST simulation. The only area that I had some difficulty with was setting up a sales meter to export to the grid. 
 

Vikram Sami, LEED AP 
Direct Phone 404-253-1466 | Direct Fax 404-253-1366 

LORD, AECK & SARGENT ARCHITECTURE
Responsive Design * Technological Expertise * Exceptional Service 
www.lordaecksargent.com 

 

________________________________

From: BLDG-SIM at GARD.COM [mailto:BLDG-SIM at GARD.COM] On Behalf Of Aulbach, John
Sent: Thursday, October 05, 2006 12:44 PM
To: BLDG-SIM at GARD.COM
Subject: SPAM: [BLDG-SIM] eQust and DoE simulation in China


Hi Matt:
 
eQUEST has a PV simulation built in, but I have not yet had a chance to run it. It can apply (as far as I know) to any type of building you can model within the program. It would be the same as putting a generator on the building.
 
You would need to ask marlin.addison at doe2.com <mailto:marlin.addison at doe2.com>  or jeff.hirsch at doe2.com, for any validation results. eQUEST uses an new DOE-2 version, dubbed DOE-2.2, which changes and adds some features to the old DOE-2.
 
I have been using eQUEST on nearly 100 buildings, and I have had good matching with utility bills in several parts of the United States. So what type of validation are you seeking? This is not a "new" program, and it's creators are original DOE-2 developers.

________________________________

From: BLDG-SIM at GARD.COM [mailto:BLDG-SIM at GARD.COM] On Behalf Of myeagle00 at yahoo.com wu
Sent: Thursday, October 05, 2006 5:34 AM
To: BLDG-SIM at GARD.COM
Subject: [BLDG-SIM] eQust and DoE simulation in China


Dear all, 
 
My question is about eQuest. I wander if eQuest could be used to to energy simulation for a highrise residential building with PV system? Are there any published paper on this?
 
my second question is about the validation of the program. Has anybody used eQuest in semin tropical climate in China (or similar area like hongkong) and validated their result? Jeff suggested that eQuest shares the same core as DOE-2 which has been extensively used in China and I can get validation from the  DoE. Any suggestion is highly appreciated. 
 
Your help is very much appreciated.
 
Best Regards,
 
Matt
 
-------------------------------
 


On 25/08/06, Jeff Hirsch <Jeff.Hirsch at doe2.com> wrote: 

	You can use the eQUEST weather processor (eQ_WthProc)
	  http://doe2.com/index_Wth.html 
	to read a EPW file and convert to DOE-2 compatible file (that
	you can discard if not useful) but then you will have csv files
	(orig and final - with doe-2 conversions) with the variables you
	want (including headers) on the "final" csv if you uncheck the 
	"clear Interim Results on Exit" checkbox on the setup tab.
	
	Here is an example original csv partial
	
	
	
	
	    DryBulbT
	    DewPtT
	    Sol-GlobHor
	    WindSpd
	    WindDir
	    Sol-DirNorm 
	
	     Month
	    Day
	    Hour
	    F
	    F
	    w/m²
	    mph
	    degrees
	    w/m²
	
	     1
	    1
	    1
	    18.86
	    2.66
	    0
	    2.23
	    110
	    0
	
	     1 
	    1
	    2
	    17.6
	    5
	    0
	    0
	    0
	    0
	
	     1
	    1
	    3
	    17.06
	    3.2
	    0
	    0.67
	    0
	    0
	
	     1
	    1
	    4
	    16.34
	     1.4
	    0
	    1.56
	    0
	    0
	
	     1
	    1
	    5
	    15.8
	    -0.4
	    0
	    2.23
	    360
	    0
	
	
	
	Here is the example correcponding final
	
	           DryBulbT WetBulbT DewPtT RelHum HumRatio Sol-GlobHor Sol-DirNorm WindSpd WindDir 
	     Month Day Hour F F F % lbmw/lbma w/m2 w/m2 mph degrees
	     1 1 1 18.86 15.21 2.66 44.47 0.000907 0 0 2 110
	     1 1 2 17.6 14.68 5 53.33 0.001024 0 0 0 0
	     1 1 3 17.06 13.99 3.2 49.9 0.000933 0 0 1 0 
	     1 1 4 16.34 13.17 1.4 47.08 0.00085 0 0 2 0
	     1 1 5 15.8 12.51 -0.4 44 0.000773 0 0 2 360
	
	
	---
	Jeff Hirsch
	James J. Hirsch & Associates
	Building Performance Analysis Software & Consulting 
	12185 Presilla Road
	Camarillo, CA 93012-9243 USA
	phone: (805) 553-9000
	fax: (805) 532-2401
	email: Jeff.Hirsch at DOE2.com
	web: http://DOE2.com 
	
	
	----- Original Message -----
	From: "Michael J. Witte" <mjwitte at gard.com>
	To: <BLDG-SIM at GARD.COM>
	Cc: <BLDG-SIM at gard.com>
	Sent: Friday, August 25, 2006 9:56 AM
	Subject: [BLDG-SIM] [EnergyPlus_Support] Average hourly statistics for wet bulb temperatures
	
	
	My mistake!  You are correct that the epw-->csv conversion will only give DB, 
	RH, and Dew Point.  The alternate route is to run an annual simulation with
	EnergyPlus using the weather file of interest, select "Outdoor Wet Bulb" as an
	hourly REPORT VARIABLE, and then use the csv output file to generate 
	statistics.  One could even generate the averages with EnergyPlus by applying
	schedules to the report variable and reporting the scheduled value as monthly
	averages.
	
	Mike
	
	
	On 25 Aug 2006 at 6:20, Gerald Pde wrote: 
	
	> Energyplus weather files do not have wet-bulb
	> temperatures, do they? I had the impression they only
	> have DB , RH and Dew Point. You might have to manually
	> convert to wetbulb which might be quite an exercise. 
	> Is there a simpler way of computing the data below?
	>
	> Thanks
	> Gerald
	>
	> --- "Michael J. Witte" <mjwitte at gard.com> wrote:
	>
	> > If you are looking for long-term averages, you can
	> > download the EnergyPlus IWEC
	> > file for Brisbane (www.energyplus.gov --> Weather
	> > Data) and use the EnergyPlus 
	> > weather converter to convert it from epw format to a
	> > csv file which includes
	> > column headings and can be opened in a spreadsheet
	> > program.  Then you can
	> > compute the averages from there. 
	> >
	> > Mike
	> >
	> >
	> > On 24 Aug 2006 at 17:55, Ashfaque Ahmed Chowdhury
	> > wrote:
	> >
	> > > Hello All,
	> > >
	> > > I require average hourly statistics (Jan-Dec) for 
	> > wet bulb temperatures (°C
	> > > or °F) of Brisbane, Australia. I tried to find
	> > using Bureau of Meteorology,
	> > > Australia website.But can't find any suitable
	> > data. Can anyone give me any 
	> > > link to find it out?
	> > >
	> > > Thanks in advanced.
	> > >
	> > >
	> > >
	> > > --Ashfaque
	> > >
	> > > CQU, Australia 
	> > >
	> > > --
	> > >
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	> ========================================================
	> > Michael J. Witte, GARD Analytics, Inc. 
	> > EnergyPlus Testing and Support
	> > EnergyPlus-Support at gard.com
	> >
	> >
	> >
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