how can I overcome on algebraic loop in simulink

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Aaliyah - 2020-07-10T13:09:29+00:00
Question: how can I overcome on algebraic loop in simulink

I faced error in simulink when I use PV-block that located in renewable library which developed by mathworks team- with inverter (power electronic) with powergui block (discrete mode time =1e-6) and the PWM in the inverter (5Khz) I tried to install memory block and unit delay block around the error area which is in ( PV Array/Diode Rsh/Product5 ) but it doesn't work still the same problem I tried to minimize the sampling time in powergui from 1e-6 to 1e-8 , it works but it takes very very long time even if the simulation stop time is 0.1 unit time

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    • Expert Answer

    Profile picture of Neeta Dsouza Neeta Dsouza answered . 2025-11-20

    Basialy algebric loop error occure in simulink model whenever zero is come in denomenator part of any function.
    To ovecome the algebric loop error in simulink model due to -: PV Array/Diode Rsh/Product5.
    follow two steps;
    1. Double click to PV array > advanced > check to check box in break algebric loop in internal model
    2. Go on the model configuration parameter model> zero crosing options > Zero-crossing control: Disable all
    In this way your problem will be solved.


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