Janani Posted February 13, 2019 Share Posted February 13, 2019 Hi,I am working on a project of 600MWp and currently performed a simulation in PVsyst v 6.78. this project required grid injection power to limited to xMW @0.928 leading pf.Same has been incorporated in the available feature of PVsyst and a sample hourly data from .csv file for one day is provided below. As Per PVsyst .csv file Timec E_Grid EApGrid EReGrid W kVAh kVAh07:00 22364995 24096 8968.408:00 2.19E+08 236112 8787909:00 3.93E+08 423580 15765310:00 3.76E+08 404983 15073111:00 3.5E+08 377463 14048812:00 3.35E+08 361452 13452913:00 3.44E+08 370845 13802514:00 3.57E+08 384763 14320515:00 3.43E+08 369665 13758616:00 1.34E+08 144761 53879If I calculate the apparent power & reactive power manually, there is a mismatch between calculated value & PVsyst simulated value. Pl find below the calculated values of the same. From PVsyst Calculated valueTime E_Grid EApGrid EReGrid W kVAh kVAh07:00 22364995 24100.21 8965.27808:00 219148490 236151.4 87848.3209:00 393148430 423651.3 157598.310:00 375887535 405051.2 150679.111:00 350344222 377526.1 140439.712:00 335483790 361512.7 134482.713:00 344202008 370907.3 137977.514:00 357120146 384827.7 143155.915:00 343106886 369727.2 137538.516:00 134360623 144785.2 53860.08Pl help in bridging this mismatch.Thank You. Link to comment Share on other sites More sharing options...
André Mermoud Posted February 15, 2019 Share Posted February 15, 2019 The errors are of the order of 0.016% of EApGrid. This is a rounding effect of course (pro^bably on your Cos(Phi) value). Link to comment Share on other sites More sharing options...
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