[TRNSYS-users] type 194 and 194b efficiency

[David BRADLEY]

Sandeep,
  I would recommend contacting your TRNSYS distributor with your 
questions about the PV efficiency. Be careful if you are computing the 
efficiency of the PV using the power output and the solar radiation 
input; the solar radiation input is in kJ/h.m2 and the output is in W.

  The EES distributable cannot be modified as it is a packaged 
stand-alone tool. Also, the EES tool is designed only to compute the 
values of the Type194 parameters; it does not make any estimate of the 
PV performance.
kind regards,
  David



On 11/03/2015 13:05, Sandeep Singh Chahal wrote:
>
>
>
> Hello TRNSYS user,
>
> I am using 194 and after plugging in the values provides by 
> manufacture in EES file ( by clicking on the left lower corner magic 
> button ). The five parameters in EES file is calculated without any 
> error but still, It’s efficiency is very close to zero throughout the 
> year. Can anyone please help what should I do to get proper efficiency?
>
> Also, in Photovoltaic example ( pv-inverter type 194b ) efficiency is 
> very close to zero and after plugging in the values in EES file it 
> gives this error “24 parameters are required and 29 parameters where 
> specified” ( Mr. David, Mentioned that I have to contact software 
> distributor regarding parameters problem ). However, I was just 
> wondering if I can make some changes in EES file that may work. I have 
> tried to make changes in EES file but it doesn’t allow me to make any 
> change. Is there any way to make changes in EES file or I have to have 
> contact the distributor?
>
>
>
> Thanks,
>
> Sandeep Chahal
>
> Research Assistant
>
> UAB School of Engineering
>
>
>
> _______________________________________________
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> TRNSYS-users at lists.onebuilding.org
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-- 
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI  53703 USA

P:+1.608.274.2577
F:+1.608.278.1475
d.bradley at tess-inc.com

http://www.tess-inc.com
http://www.trnsys.com

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