Reducing the error tolerance

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Susmita
Susmita on 14 Dec 2011
Commented: allbowaghis di-gandra on 14 Mar 2021
The error is:-
Trouble solving algebraic loop containing 'mymodel/SSSC/CLOSED LOOP CONTROL SYSTEM/Subtract2' at time 0. Stopping simulation. There may be a singularity in the solution. If the model is correct, try reducing the step size (either by reducing the fixed step size or by tightening the error tolerances
How to solve this problem? Please help.

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Accepted Answer

Fangjun Jiang
Fangjun Jiang on 14 Dec 2011
If it happens at time 0, you definitely have an algebraic loop. See Algebraic Loops.
There are many ways to solve it. But in this case, I believe it is your design problem. You need to double check your model to see if its the correct design.
See one reference here. http://www.mathworks.com/matlabcentral/answers/14383-error-trouble-solving-algebraic-loop-cant-solve-it
  1 Comment
allbowaghis di-gandra
allbowaghis di-gandra on 14 Mar 2021
i got the same problem, but i have tried in another previous matlab version (my friends), the model works, how it could be?

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