<div dir="ltr"><div style="font-size:12.8px">Dear All.</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">I am currently trying to simulate and model a PV charging station i<span style="font-size:12.8px">n TRNSYS </span> that would allow charge discharge of Battery and load.</div><div style="font-size:12.8px"> 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:</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">First of all, I am having major difficulties to understand the correct connections in TRNSYS between each of the TYPEs /components.</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">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".</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">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 :</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px"><ul><li><span style="font-size:12.8px"> Type 94 (PV)</span><br></li><li><span style="font-size:12.8px">Type 47 b ( Battery) </span><br></li><li><span style="font-size:12.8px">Type 48 b ( Controller)</span><br></li></ul></div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">However, I can not see the correct control and correlation between charge -discharge of battery and load.</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">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.</div><div style="font-size:12.8px">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.</div><div style="font-size:12.8px">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.</div><div style="font-size:12.8px">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.</div><div style="font-size:12.8px">Although this would be the ultimate aim of my model,</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px"><div>I was just wondering whether you could please provide me with some advise and suggestions in relation to my model.</div><div><span style="font-size:12.8px">Please take a look at the attached model for further information.</span></div><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px">Many thanks again for all your support and feedback.</span></div><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px">Kindest regards</span></div><div><span style="font-size:12.8px">.</span><br></div></div><div class="" style="font-size:12.8px"><div id=":1h9" class="" tabindex="0"><img class="" src="https://ssl.gstatic.com/ui/v1/icons/mail/images/cleardot.gif"></div></div><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div><div><div><div>Ayda Esfandyari<br></div>Solar PhD Researcher <br></div>Dublin Energy Lab<br></div><div><span style="font-size:9pt" lang="EN-US"> Focas Research Institute</span></div>Dublin Institute of Technology<br></div>Kevin Street, Dublin 8,<br></div>Ireland,<br>+35314027929</div></div></div></div>
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