What is the name of this block?

Does anyone know where can I find this block?

[stozaki]

Did you create this model in R2019b? I look like you are using a version older than R2019b.

Can you cut out just that block and attach a model?

Answer 1

[Walter Roberson]

https://www.mathworks.com/help/physmod/sps/powersys/ref/controlledcurrentsource.html

Controlled Current Source.

[EngTat Chung]

Thank you very much!