Draw three-phase grid connected inverter circuit

Questions
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1

May I ask what component or how to represent the AC symbol in the green box of the picture in Systemmodeler?

1681185126158.png
1681185126158.png633×262 36.4 KB

Thank you for your answer!
[2]: https://community.wolfram.com//c/portal/getImageAttachment?filename=1681185126158.jpg&userId=2839169

2

You can find multiphase sources in Modelica.Electrical.MultiPhase.Sources.

3

Sir, thank you for your answer!