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How can I trip an ideal switch when a short circuit fault occurs.

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I am simulating a Mechanical DC circuit breaker. I used a step to put on and off. I wanted to use a "compare to constant" block so that when the fault current goes over the threshold the ideal switch can trip. The step is connected to the ideal switch so I cannot connect a relay too. Any help will be much appreciated. Thanks
Rusiru Sri
Rusiru Sri on 18 Nov 2020
I'm working on simulating a DC circuit breaking in Simulink and I'm still looking for a method to do that.
I really appreciate it if you could provide me any information regarding this simulation.
Thank you.

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Answers (1)

Rajat Tewari
Rajat Tewari on 9 Jun 2020
You can connect the relay output as the gate signal to the ideal switch and check if you are getting the expected output. Also add a powergui block to your model.
You can also refer to these links for implementing relays and circuit breakers:
  1. Relays
  2. Switches and Breakers
Hope it helps.





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