I am working on a Three-phase Two-stage Grid-connected PV Solar based on boost converter& Inverter with P&O Algorithm, but the pv array is producing a negative current,
I can't tell why, My first reaction was to go over the schematic and each component multiple times, I pretty much checked every component, I tested it before and it worked just fine.
here's my simulink model:
Dear Draoui Rekaia
These links might be helpful, have a look:
1. https://www.mathworks.com/matlabcentral/answers/745612-simulink-pv-array-results-in-negative-voltage-and-current-of-zero
2. https://www.mathworks.com/matlabcentral/answers/510305-standalone-pv-array-producing-negative-voltage
3. https://www.mathworks.com/help/physmod/sps/powersys/ref/pvarray.html
Kind Regards
Qamar Ul Islam
If the PV system is in a multi-source microgrid, then one of the sources of the microgrid causes a reverse flow of power i.e. (from the source to the PV system) which causes a negative current in the PV system
https://www.mathworks.com/matlabcentral/answers/510305-standalone-pv-array-producing-negative-voltage
https://www.quora.com/How-is-it-possible-to-have-a-negative-voltage-and-current-on-the-photovoltaic-solar-cell-during-illumination
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