[TRNSYS-users] Battery and load correlation charge and discharge via charge controller

[David BRADLEY]

Ayda,
   If you are using the latest version of TRNSYS (17.02.0004) then there 
is an example in the ..\Trnsys16\Examples\PVT\ directory that shows one 
way of using Types47 and 48 in combination with a PV.
kind regards,
  David


On 01/25/2016 06:46, Ayda Esfandyari wrote:
> Dear All.
>
> I am currently trying to simulate and model a PV charging station in 
> TRNSYS  that would allow charge discharge of Battery and load.
>  Since I am new TRNSYS user, I would really appreciate if you could 
> please take your time and providing me with some of your valuable advise:
>
>
> First of all, I am having major difficulties to understand the correct 
> connections in TRNSYS between each of the TYPEs /components.
>
> Ideally I would have liked to use a "Type 194 " PV and also  have " 
> Current as input Battery type " and connect the battery to  charge 
> controller which allows "MPPT with monitoring state of voltage and 
> charge".
>
> As I mentioned above, since I am having difficulties  to identify the 
> appropriate input/output connections between the TYPEs, I decided to 
> keep the model more simplified and used the following :
>
>   *  Type 94 (PV)
>   * Type 47 b ( Battery)
>   * Type 48 b ( Controller)
>
>
> However, I can not see the correct control and correlation between 
> charge -discharge of battery and load.
>
> My aim is to have a system that would store the  PV generated 
> electricity into the battery bank ( in the presence of sunshine) and 
> discharge the battery when there is load demand.
> I do not see battery being discharge to serve the load when I try to 
> monitor the Fractional state of the charge of the battery.
> As you can see, I have tried to simplify the choice of the load, So 
> the load is only present at night time when there is no sunshine.
> Therefore the controller does not need to make any adjustment to see 
> whether : to charge the battery from sunshine or discharge the battery 
> and serve the load.
> Although this would be the ultimate aim of my model,
>
> I was just wondering whether you could please provide me with some 
> advise and suggestions in relation to my model.
> Please take a look at the attached model for further information.
>
> Many thanks again for all your support and feedback.
>
> Kindest regards
> .
>
> -- 
> Ayda Esfandyari
> Solar PhD Researcher
> Dublin Energy Lab
> Focas Research Institute
> Dublin Institute of Technology
> Kevin Street, Dublin 8,
> Ireland,
> +35314027929
>
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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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