[bldg-sim] about pv simulation

John Aulbach jra_sac at yahoo.com
Sun May 7 21:23:15 PDT 2006


Could you translate this into English, Sir? I am a PE,
working for an MEP sustainable design company in the
US West Coast, interested in PV in buildings if
feasible.

And I have NO idea what you are saying...

--- JRR <energy.wwind at cox.net> wrote:

> Of Course!! If 650 W/m**2 direct beam lands on
> horizontal patch June 
> 21st, and.........
> we use the newest Cyprus Semiconductor PV cells -
> whopping 20% efficient,
> we get an additional  130 W. That is load avoided
> plus power produced >>
> 780 W difference from doing nothing.  PV is VERY
> expensive  unless you
> need  no-moving-parts reliability, so maybe it
> should include lower cost 
> augmentation ---
> moving am/pm wing reflectors,  and/or seasonal tilt
> when it's not in 
> space.......
> 
> BTW a good ammonia superheated cycle will
> crank out  35 -- 38% with an ~ 8:1 concentrating
> collector........
> I'll take the NH3 at over 100 kW output.
> 
> PV has political merit, BIPV even more,,,,,,,,
> Why not call these things  Photovoltaic /Thermal  --
> PV/T collectors ??
> Is that  thesis on line somewhere ??
> 
> John R Ross  P.E.
> Westwind Corporation
> Vienna, Virginia
> 
> Jeff Haberl wrote:
> 
> >PVFCHART and DOE-2 can be used in combination.
> There's a PhD thesis on this by Keith Sylvester at
> Texas A&M. It shows you actually save more $ on the
> cooling reduction from the shade from the BIPV than
> the electricity generated. 
> >
> >Jeff
> >BB 8=!  8=)  :=)  8=)  ;=)  8=)  8=(  8=)  :=') 
> 8=)  8=)  8=? BB
> >
> >Jeff S. Haberl, Ph.D.,
> P.E.............................jhaberl at esl.tamu.edu
> >
>
>Professor......................................................Office
> Ph: 979-845-6507
> >
> >Department of
> Architecture.......................Lab Ph:
> 979-845-6065 
> >
> >Energy Systems
> Laboratory.......................FAX: 979-862-2457 
> >
> >Texas A&M
> University..............................77843-3581
> >
> >College Station, Texas,
> USA.......................URL: www-esl.tamu.edu
> >
> >BB 8=/  8=)  :=)  8=)  ;=)  8=)  8=()  8=) 8=?  8=)
>  8=)  8= BB
> > 
> >
> >-----Original Message-----
> >From: BLDG-SIM at gard.com
> >To: BLDG-SIM at gard.com
> >Sent: Wed Apr 26 19:23:25 2006
> >Subject: [BLDG-SIM] about pv simulation
> >
> >dear all, i am trying to do simulation for bipv and
> bipv/t in residential buildings for annual
> eletricity yield and energy efficiency.
> >what programs are available for that research
> purpose? is espr suitable or should i use pv program
> PV sol or PvSyst?
> >is espr good for that simulation? 
> >it will be highly appreciated if you can give any
> suggestion
> >best regards,
> > 
> >matthew
> > 
> >  
> >
> 
> 
>
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