What block to use to transform a three-phase signal into a two-dimensional vector in the stationary reference frame?

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Marko Zeba 2021-1-6

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https://ww2.mathworks.cn/matlabcentral/answers/710503-what-block-to-use-to-transform-a-three-phase-signal-into-a-two-dimensional-vector-in-the-stationary

回答： Monisha Nalluru 2021-1-12

Hi,

I'm trying to simulate a three-phase star connected circuit using SIMSCAPE and I need to transform a three-phase signal into a two-dimensional vector in the stationary reference frame. I've only found a block that preforms a Clarke transformation from a three-phase (abc) signal to a alpha-beta-zero SRF, I need one that does the exact same thing only to a alpha-beta SRF.

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Answer 1

Monisha Nalluru 2021-1-12

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https://ww2.mathworks.cn/matlabcentral/answers/710503-what-block-to-use-to-transform-a-three-phase-signal-into-a-two-dimensional-vector-in-the-stationary#answer_595868

In general, composite three-phase ports (represented by the single signal line) can only connect to other composite three-phase ports. However, expanded three-phase ports can connect to other Simscape Power Systems components.

Three-phase signals can be combined and separated with the "Phase Splitter" component. Therefore, you may combine three separate signals emanating from other Simscape Power System components into a composite three-phase signal with this. More information on this block can be found here:

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

A further reference on three-phase ports is here:

https://www.mathworks.com/help/physmod/sps/ug/three-phase-ports.html