Simscape: Linear transformer open circuit error

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Ryan
Ryan 2017-5-23
回答： Joel Van Sickel 2020-9-2
Hello,
I'm trying to model a full-bridge DC-DC converter in simscape. I have the model built using ideal switches for the mosfets with a simple switching scheme. However, when I run the model, even though the simulation time is 0.05s it comes up with an error that at t=8s, the linear transformer is "open-circuited" because a couple switches are off simultaneously. This off-time should happen and is normal for the switching scheme.
I've attached a couple pictures of my diagram and error.
Would this error be because of no anti-parallel diodes with the switches?
Thanks!

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回答（1 个）

Joel Van Sickel
Joel Van Sickel 2020-9-2
Hello Ryan,
yes, you can create circuits that our tool cannot simulate with this topology. If you include things like diodes and snubbers, this can solve the problem.
Regards,
Joel

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