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park transformation for single phase
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Saif Zahran
on 22 Feb 2019
Commented: Saif Zahran
on 3 Mar 2019
I am trying to transfer alpha abd beta with theta angle through park transformation ?
can anyone tell me what is the expected o/p form park transforation of the single phase conncected to grid ??
thanks
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Accepted Answer
Arvind Sathyanarayanan
on 22 Feb 2019
To transform single phase voltages/currents to
shift your voltage/current by 90 degrees and use this value as β and your original signal as α. This can then be converted to dq0 using library blocks available in simulink.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/205441/image.png)
It is difficult to say what the expected output is without knowing about your system but, generally d and q are dc values.
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Arvind Sathyanarayanan
on 25 Feb 2019
Can you please attach the model (*.slx) and other files required to run it? Also, which version of Matlab are you using?
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Arvind Sathyanarayanan
on 28 Feb 2019
Saif,
You can phase shift using the complex phase shift block. I have never used this block as I don't have the toolbox.
The other option is to take the derivative of the sine signal. As you may know:
and ![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/206285/image.png)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/206284/image.png)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/206285/image.png)
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