Help me understand this PQ Controller Model (ABC to dq-reference using Park Transform) in Simulink

Good day! I’m currently having troubles interpreting this block diagram of a PQ controller, which I will be applying for BESS support in a bus network.
Right now, I’m figuring out how I should implement the Park Transform block to convert from ABC to dq reference in Simulink. I’m also confused when I should implement the transfer functions and PI controllers (considering the dq-reference).

If any further context is needed, I will try my best to provide more.
Also, if you are an expert in control modeling, especially in BESS, I would love to keep in contact with you for more help, as I have more questions with regards to my BESS model for voltage and frequency support.
Thank you very much!Good day! I’m currently having troubles interpreting this block diagram of a PQ controller, which I will be applying for BESS support in a bus network.
Right now, I’m figuring out how I should implement the Park Transform block to convert from ABC to dq reference in Simulink. I’m also confused when I should implement the transfer functions and PI controllers (considering the dq-reference).

If any further context is needed, I will try my best to provide more.
Also, if you are an expert in control modeling, especially in BESS, I would love to keep in contact with you for more help, as I have more questions with regards to my BESS model for voltage and frequency support.
Thank you very much! Good day! I’m currently having troubles interpreting this block diagram of a PQ controller, which I will be applying for BESS support in a bus network.
Right now, I’m figuring out how I should implement the Park Transform block to convert from ABC to dq reference in Simulink. I’m also confused when I should implement the transfer functions and PI controllers (considering the dq-reference).

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