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Re: [EnergyPlus_Support] Photovoltaic System and Solar Heating Water System



e+ doesn't model pressures and hydrolics in networks like the gravity system. If any pumping power is assisted by a gravity system, then you will have to reduce the power consuption artifically...EMS. However, models, algorithms to help you here are not known to me. Check with TrnSys...they are a bit stronger on the mechanical side. Maybe you'll get some ideas.

2017-03-17 12:28 GMT+01:00 Ivan Mezzacapa ivan_slip@xxxxxxxxxxx [EnergyPlus_Support] <EnergyPlus_Support@xxxxxxxxxxxxxxx>:
 

Hi Jim, thanks.


Actually, i've the three models to work.


1- PV system with batteries;

2- Solar hot water system, but, without pump. It's a system with the boiler on roof, and water falls by gravity.

3- Hybrid system, like you said, but, i don't know how to do it too. Need to think.


I'm searching for a IDF template for these itens, to have a easy way on next projects.


Best regards,


Ivan Mezzacapa de Souza

Projetos de Ar Condicionado, Consultoria de Projetos e Simulação Energética

Celular: (11) 9-9963-9326



De: EnergyPlus_Support@yahoogroups.com <EnergyPlus_Support@yahoogroups.com> em nome de Jim Dirkes jim@buildingperformanceteam.com [EnergyPlus_Support] <EnergyPlus_Support@yahoogroups.com>
Enviado: sexta-feira, 17 de março de 2017 07:53
Para: EnergyPlus_Support@yahoogroups.com
Assunto: Re: [EnergyPlus_Support] Photovoltaic System and Solar Heating Water System
 
 

Ivan,
PV is fairly simple. Are you trying to model a combination PV + hot water system? (e.g. PV facing the sun with hot water tubes on the back?) If so, I have not modeled one of those, either.
I have a new project which may need it, though.

On Thu, Mar 16, 2017 at 10:43 AM, Ivan Mezzacapa ivan_slip@xxxxxxxxxxx [EnergyPlus_Support] <EnergyPlus_Support@yahoogroups.com> wrote:
 

Hi everyone, 


Does anyone have an idf or template model to help model these systems?

I think it is very confusing to model solar systems in energyplus.


Thank you very much,


Ivan Mezzacapa de Souza

Projetos de Ar Condicionado, Consultoria de Projetos e Simulação Energética

Celular: (11) 9-9963-9326




--

James V Dirkes II, PE, BEMP, LEED AP
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The Building Performance Team Inc.
1631 Acacia Dr, GR, Mi 49504

Direct / Mobile: 616.450.8653
jim@buildingperformanceteam.com

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