How to break algebric loop ( problem with surge arresters)?

09 September 2019 1 3K Report

I have problem with simulation in Simulink, it cuts it after few microsecund due to algebric loop. Problem starts when i try to implement more than 2 surge arresters on overhead line. I' ve tried with different type of solver, but it wasn't better. Also I've tried to change algebric solver from trust to line search, and that didn't help either. Thanks in advance..

Yew-Chung Chak

Hi Dr. Stevan Čanović,

Please check for any signs of circular dependency of block outputs and inputs in the same time-step. If the Trust-Region Method and Line Search Method do not work, then you may need to manually break the algebraic loop.

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