ABC to dq0 conversion in simulink

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Girisha Joshi
Girisha Joshi 2018-3-23
Hi.... I am Girisha Joshi a research scholor from NMAMIT, Nitte, Karnataka, India. I am developing a vector control model of 3 phase induction motor. I am facing a problem in abc to dq0 conversion.I am using logic for conversion as Vqss=Vas, Vdss=-Vb*(1/sqrt(3))+Vc*(1/sqrt(3)) and Vqs= Vqss*cosθe-Vdss*sinθe,Vds=Vqss*sinθe+Vdss*cosθe. where θe=2*pi*f*t. t is given from clock.I am not getting Vqs as peak of input and vds as 0. But for the same logic inbuilt abc to dq0 block will give the correct output. If I use that inbuilt model my simulation slows down. Kindly suggest method to develop our own park's transformation.
Thanking You,
Girisha Joshi

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