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Hi everyone,

I am wondering that what's the difference between using REGCAU1 series and WT3G(WT4G) series at the modeling of Type 3(Type 4) wind turbines?

I check some files like models.pdf and know that there are some differences in control blocks, but I am wondering the detail of the difference, why there are two series in PSS/E that can be used as Type 3(Type 4) wind turbines?

any comments would be appreciated!