How to switch SPDT Simscape Electrical Relay Block?
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Utkarsha Chinchore
el 1 de Jul. de 2021
Comentada: Joel Van Sickel
el 1 de Nov. de 2023
Common port is connected to both output (S1 and S2) ports at the same time.
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Joel Van Sickel
el 2 de Jul. de 2021
Hello Utkarsha,
The way you have it, use a controlled source connected to the widing (control) and apply the correct voltage/current to activate the relay. You can connect a simulink step block to an s->ps converter to send a signal to the controlled source. Set the step magnitude to the correct value to turn on the switch. The voltage source you have attatched is set to 0V, so it is not activating the switch. Also, your circuit is all open circuits so the voltages will always measure 10 V as the whole switch is raised 10V by the other dc source. You should add resistors to ground at the S1 and S2 ports. This will pull them down to ground unless they are actually connected to the 10V source through the switch.
Regards,
Joel
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Macdonald
el 31 de Oct. de 2023
Hi, Please could you provide a modified slx file, as I am struggling to implement the mods as I am new to matlab. The controlled source from the specialized power system doesn't connect to the relay. Please help
Joel Van Sickel
el 1 de Nov. de 2023
you need to use a controlled source from simscape (it will be the color blue). If you are new to simscape, please take this free training: https://matlabacademy.mathworks.com/details/circuit-simulation-onramp/circuits
after that, if you still have questions, please return here to post them.
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