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PostPosted: Wed Aug 07, 2019 9:44 am 

Joined: Tue Aug 06, 2019 5:01 pm
Posts: 2
Hi everybody,
I have to to run a simulation of a grid connected pv plant consisting of three converter units connected in and out with internal LV/MV transformer each (380V/22000V).
Then there is a step up transformer from 22kV to 66kV inside the facility and a 66 kV OHL up to the substation where the POC is located. The OHL is almost 2km long
How can I take into account the losses of the different sections MV and HV?
Regards
Pierluigi


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PostPosted: Thu Aug 22, 2019 7:15 pm 
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Joined: Tue Oct 18, 2016 3:31 am
Posts: 227
Outside of PVsyst in excel


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PostPosted: Tue Aug 27, 2019 2:58 pm 

Joined: Tue Aug 06, 2019 5:01 pm
Posts: 2
Quote:
Outside of PVsyst in excel
Hi,
so this means that PVSyst only is able to give a result as if the POC is before the step-up transformer.
To have a realistic production forecast, I should thus calculate the loss in % due to the step up transformer and the OHL and then apply to the PVSyst result.
Do you find it correct?
Regards
Pierluigi


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PostPosted: Tue Aug 27, 2019 5:44 pm 
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Joined: Tue Oct 18, 2016 3:31 am
Posts: 227
Take your inverter output from pvsyst, apply your losses from there in order to the POI


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