Need advice on a circuit that connects two parallel resistance as a varying load

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Muhammad Asad
Muhammad Asad 2024-10-31，11:30
回答： Andres Adam 2024-10-31，20:36
Good afternoon,
I have a circuit (attached). circuit have a controlled current source that received a input asa current . this controlled current souce connected to a resistance. now i want to add another resistance in parallel but want to use some switch or something that turn on after some time. I tray to connect many things but not working. purpose to get varying load
powergui is in dicrete.
your answer is appreciated.

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Andres Adam
Andres Adam 2024-10-31，20:36
It looks like you just need to add a switch to the branch of the new resistance:
https://www.mathworks.com/help/sps/powersys/ref/idealswitch.html
The port g of the resistance is the control. Connect it to a Step block or some control logic to activate the second branch whenever you want.
https://www.mathworks.com/help/simulink/slref/step.html

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