A question in Simulink PQ measurement

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Atefeh el 28 de Sept. de 2023

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https://la.mathworks.com/matlabcentral/answers/2026699-a-question-in-simulink-pq-measurement

LL fault.jpg

Hello every one

Have a great Day!

I am simulating a line to line fault in a sample network. I have 6 buses and I am using the instantaneous 3 phasevalues of current and voltage in each bus to calculate instantaneous P and Q .

when I put a fault in Busg 5 , the P and Q values in Bus 3 have a positive peak while all other buses have negative peak just after fault accuring. Can You tell me why ?