How can I create an open-circuit fault in Boost DC-DC converters in Simulink?

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Hung TRAN le 11 Juil 2017

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Réponse apportée : Sabin le 11 Fév 2023

How can I create an open-circuit fault in Boost DC-DC converters in Simulink? It means that at t=0 (s) till t<t1 (s), the converter works well. Then at t=t1, an open-circuit fault happens. Thanks in advance.

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Purushottama Rao le 12 Juil 2017

You can use circuit breaker which can be opened thorugh its control input at a predefined time.

Hung TRAN le 14 Juil 2017

Thank you for your suggestion. I think I should precise that the open-circuit fault occurs in the power switch at t=t1. How can I do?

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Sabin le 11 Fév 2023

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Best place to start is the MOSFET Fault in Buck Converter example in Simscape Electrical. This model shows how a fault may be applied to a MOSFET in a power converter in order to explore the operation of protection circuitry.