What is the port compatibility for Simscape blocks?

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RAGHUVEER RAJESH
RAGHUVEER RAJESH 2024-7-31
评论： RAGHUVEER RAJESH 2024-8-2
Hi,
Whenever I work with simscape, I have this issue. Where is the port compatability defined?? I couldnt find any documentation related to this.
Some of the simscpae blocks are not connectable to any other directly in Simulink. Also, the PS-Simulink converter doesnt help
Here(in the fig), you can see that the A port is not connecting to anything. I tried to use all possible ways. My main aim is to connect scope to it and check the waveform. But its not connecting simply. I tried using a voltage sensor, which is a simscape element. But still its not connecting.
Ps: its not the issue of input ports or output ports. The conservative ports ABC in the above image are output ports of the block.

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回答（1 个）

Divyanshu
Divyanshu 2024-8-1
Hi Raghuveer,
There is no such documentation which has information about port compatibility of all Simscape blocks. Generally, two blocks which belong to different Simscape Components cannot be connected directly.
  • PS-Simulink/Simulink-PS Converter block is used to connect a physical signal to simulink ouput signal or vice versa, this cannot be used to connect two different simscape components.
  • Now in-order to measure/observe the waveform or input given to 'Two-Level Converter' you might have to use some blocks from 'Simscape>Electrical>Specialized Power Systems>Utilities' like Voltage-Current Simscape Interface (gnd) or Current-Voltage Simscape Interface (gnd).
  • Two-level converter once connect to 'Voltage-Current Simscape Interface (gnd)' the other port of this block can be connected to corresponding sensor to measure/observe the input.
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Divyanshu
Divyanshu 2024-8-2
Hi,
I just wanted to direct you towards using the components from same Simscape Paradigm. The blocks which I mentioned earlier are just example which can be used with 'Two-level converter', they may not be required/relevant in your use-case.
Now if you want to observe certain values of 'Two-level converter' on scope block directly:
Here are the measurement blocks which you can directly connect to scope block on one end and other end to 'Two-level converter': 'Current Measurement','Voltage Measurement','Impedance Measurement' etc.
The path to these blocks is: Simscape> Electrical > Specialized Power Systems > Sensors and Measurements.
You may have to choose appropriate block depending upon the use-case.
RAGHUVEER RAJESH
RAGHUVEER RAJESH 2024-8-2
Hello @Divyanshu, Thank you once again for your response. I understand that this might not be direct solution for my problem. And I appriciate your efforts.
What I am trying to figure out is, how do I know what is the solution? Where could I possibly find the solution to this compatibility issue? Is it documented anywhere by @MathWorks Support Team? I need to provide refrences to everyhting I do in the model. Where can I find the reference for the technique you have exaplined? @MathWorks Support Team could you please help me finding a proper documented reference for the above method.
@MathWorks Support Team, whenever I work with simscape, I have this issue. Where is the port compatability defined?? I couldnt find any documentation related to this.
Thanks in advance...

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