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Connections in Simulink (no arrows but squares)?

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Maria
Maria 2018 年 1 月 17 日
回答済み: Julia Antoniou 2018 年 1 月 25 日
Hi, I opened the Matlab test file power_pwm and wanted to use the induction motor block in my file. However, the induction motor has the point A B and C with a square rather than an arrow. For this reason, I do not know how to make the connections with other blocks I have in my model. What is that? I do not know how to search online or in the Simulink help. If I try to draw a line and put in another block, it appears the label "Conn1" with this symbol inside the block, see pictures. Could someone explain this to me, or refer to the right documentation?

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Julia Antoniou
Julia Antoniou 2018 年 1 月 25 日
Hi Maria,
Your subsystem block (with the labels "out1" and "v1") cannot be connected to the induction motor block because they are from two different domains. The subsystem block is from the basic Simulink library, as indicated by the arrow-shaped ports. The induction motor block is from the Simscape Power Systems library, as indicated by the square ports. The Simscape Power Systems library is one of MathWork's physical modeling products, and is not designed to be directly connected to Simulink components. Typically, different physical modeling domains are represented by different colored lines. In the case of Simscape Power Systems, the different physical modeling domain is represented with a different port style.
If you are interested in using Simscape Power Systems components with your model, I would recommend going through a few of the introductory examples in our documentation to learn how Simulink and Simscape Power Systems can work together. Here are a few good starter examples:
https://www.mathworks.com/help/physmod/sps/powersys/ug/building-and-simulating-a-simple-circuit.html https://www.mathworks.com/help/physmod/sps/examples/steady-state-analysis-of-a-linear-circuit.html https://www.mathworks.com/help/physmod/sps/examples/three-phase-three-limb-core-type-two-winding-transformer.html
You can look at more examples for Simscape Power Systems here .

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