Phasor plot representation sinusoidal

Marco Bosi さんによって質問されました 2019 年 8 月 20 日

最新アクティビティ Nikhil Sonavane さんによって回答されました 2019 年 8 月 23 日

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Hi,

I'm trying to plot in a phasor rapresentation current data acquired from CTs in a real 3p circuit.

I have access to the data in a txt file, currently I'm just plotting the three sinusoidal components in time domain, but I'd like to have a phasor representation to see theirphase shift.

Is there an easy why to do it? I've tried compass but it gives weird results. Thanks.

Marco

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Star Strider 2019 年 8 月 20 日

Please attach the text file (or a representative sample from it), explain what it contains, and what you want from it.

It would also help if you explain what ‘CTs in a real 3p circuit’ means. I have not previously encountered of those terms, at least not together as you used them.

Star Strider 2019 年 8 月 20 日

Marco Bosi’s Answer moved here:

Hi,

sorry for not being clear.

‘CTs in a real 3p circuit’ means current transformers in a real three phase circuit.

A part of the code is:

i1= current(:,1);

i2= current(:,2);

i3= current(:,3);

t1= length (i1);

t=[0:0,1:t1-1];

figure

plot(t,i1,t,i2,t,i3)

What I'd like to do is plotting the 3 currents in a phasor rapresentation, to see the phase shift between each signals. Thanks.

Marco

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回答者: Nikhil Sonavane 2019 年 8 月 23 日

There is a similar question asked in the community earlier. You can click here to refer to it. With some modifications, you should be getting the desired results.

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Phasor plot representation sinusoidal

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