DFIM Tutorial 2 - Steady-State Analysis of DFIM in Matlab-Simulink

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[@ronaldocesarsouza5052]

One question, when you calculated the flux in the stator, considering Qs=0 as a reference; the term "A" you used: A=ws*ws*Lm*Lm, while in the procedure indicated in the book you indicated as a reference, it asks to use the term "A" as follows: A= ws*ws.
Why this difference?

[@dr.nafeesahamad8567]

sir, you are wonderful ....keep it up

[@呆若木屐]

Excellent. The only confusing thing is about grid voltage. Why the amplitude of Vs is around 1400 V? Depending on the data, It should be around 590 V. Please help me to figure it out. I appreciate it very much.

[@ahmedmuthana8032]

thank you very much,it is very benefit

[@abnerumar]

Hi, thank you very much! Im working on some dfim simulations, Im trying to reproduce the performance curves you got in you dfim book, could you help me? I can not get reactive power curves, I dont know if Im using a wrong expression

[@seifeddineotmane9842]

thank you very much it was very helpful

[@turuueba3311]

Thank you ...

[@raedibrahim4249]

Thank you very much for this detail explanations which are very helpful. Please, could you clarify to me what is the point behind DQ transformations?!! I didn't understand why we keep transforming the components to DQ transform!! sorry for this simple question, but I never came accross it in my undergraduate degree.

[@juanantonioocampowilches8204]

DQ transformation is used to change the framework of the sinusoidal signals where you can get a linear behaviour (we use the park and Clark transformation for doing it), the benefits are that you can control much easier the behavior than a sine wave.

[@yohannesabate2704]

The code is not working on my mat lab what will be the potential problems

[@sksmart202]

Can anyone please tell from where Speed and torque array is obtained in this tutorial?

[@khagendrasapkota6453]

Please help me, how to solve this problem
subplot(3,3,1)
hold on
plot(wmm,Temm,'r',wmm,Temm,'or','linewidth',1.5);
xlabel('n(rpm)','fontsize',14);
ylabel('Tem(Nm)','fontsize',14);
xlim([700,2000]);
on loading this code i get:::
Error using plot
Vectors must be the same length.
Error in Untitledunit2_graph_code (line 109)
plot(wmm,Temm,'r',wmm,Temm,'or','linewidth',1.5);

[@juanantonioocampowilches8204]

You will have to check your code, the problem is not in the plot is in the definition of the Temm component

[@jj5048]

Error evaluating parameter 'Mechanical' in 'model/Asynchronous Machine SI Units' Caused by: Index exceeds array bounds. i get this error please help me
If you give solutions then i will send model to you

[@ahsanmemon5794]

I GET THE ERROR IN WIDTH AND DIMENSION OF BLOCK..HOW TO FIX THIS ERROR PLEASE HELP

[@shahkhan110]

Having the same issue brother..have you found any solution, plzzzzz?

[@tadjhamid8502]

Thank you for your vedios..they are very useful for me...i faced a problem in vedio 1 i Simulink ..the curves that i found are not the same as you .. i don't know what's the issue ?
Pease would you mind giving me your mail to communicate ?

[@aymenguedda2013]

may you could omit limitation block of pi regulator

[@Soumyadeepnag]

Hi, while converting to RPM shouldn't
wmm=wt*(60/2/pi)*N;
be
wmm=wt*(60/(2*pi))*N; ????
Thank you

[@kelvinkefren1379]

60/2/pi = 60/(2*pi)

[@juanantonioocampowilches8204]

Is exactly the same is only a different way of writing it in Matlab. You can compare the results

[@haligali4360]

more or less thank you

[@hocinebnhr5980]

HELLO ARE YOU HAVE THIS SIMILINK PLEAS I WANT BLOK SIMLINK

[@s_imono_v8424]

Hi everyone! What mean "dot" in the code? (After a variable )

[@juanantonioocampowilches8204]

dot product, done in matrix

[@khanyisanimakhoba968]

Thumbs up!

[@anthainguyen7474]

Hi Sir, how to type Fs..(i)=Fs;

[@mihirmehta1658]

Hi,
Please share if you get any answer to this.
I am also stuck at the same point.
Thanks.

[@anthainguyen7474]

​@@mihirmehta1658 I agree, but I still not get any answer.

[@mihirmehta1658]

@@anthainguyen7474 Got the solution, use '_' instead of ''..' it will work. after all its just naming the variable. the problem is i'm still facing the problem in running the code.
we can remain connected on [e-mail] for further communications.

[@anthainguyen7474]

@@mihirmehta1658 Please share simulink file if you get it work.
My email: [e-mail]

[@ethanehunt9655]

@@anthainguyen7474 bro plz if u got the matlab file ,,can u share it with me??

[@mohammadabdolahkhani2044]

thanks