complex no.s and exponential angles

complex no.s and exponential angles - Mensajes

#1 Publicado: 15/12/2021 6:27:32
John Heidenreich

John Heidenreich

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I have assigned angles to three currents, but I am getting an error because Smath thinks the units are different, but they are the same.
Error message is: 'Units don't match'.
Also |I.V current| is displayed as 752/25A instead of 30.08A, guess i need to do some tweaking somewhere.
I suspect I am doing something basically wrong. Hope someone can put me back on track,

kind regards,

John

Archivo no encontrado.Archivo no encontrado.
#2 Publicado: 15/12/2021 7:04:15
sergio

sergio

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You simply went wrong to enter the complex exponential function. See that it is blue: it has been inserted as a unit of measurement and then elements are added with different units.
Solver_2UMcv4Pn1Q.png
sergio
#3 Publicado: 15/12/2021 22:28:22
John Heidenreich

John Heidenreich

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Wrote

You simply went wrong to enter the complex exponential function. See that it is blue: it has been inserted as a unit of measurement and then elements are added with different units.
Solver_2UMcv4Pn1Q.png
sergio



Thank you Pompelmo, that's got me going
#4 Publicado: 16/12/2021 14:56:13
Jean Giraud

Jean Giraud

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Wrote

I suspect I am doing something basically wrong. Hope someone can put me back on track,


Hello John,
Once all e^ doctored exp(,) ... no more units don't match
At this point, you are the expert to sanity your project.
Up there, Santa has a flat chariot
Take are ... Jean.

check positive and negative sequence components.sm (27,68 KiB) descargado 1118 vez(es).
#5 Publicado: 16/12/2021 19:47:59
John Heidenreich

John Heidenreich

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check positive and negative sequence components.sm (267,82 KiB) descargado 1173 vez(es).
Wrote

Wrote

I suspect I am doing something basically wrong. Hope someone can put me back on track,


Hello John,
Once all e^ doctored exp(,) ... no more units don't match
At this point, you are the expert to sanity your project.
Up there, Santa has a flat chariot (a small no. of people think the earth is flat, I think it is slightly oblate spheroidal, like a spinning pizza)
Take are ... Jean.

check positive and negative sequence components.sm (27,68 KiB) descargado 1118 vez(es).



Thank you Jean for your time correcting my file, unfortunately I could not open it. However, it did give me impetus to carry on with my Pompelmo corrected file.

So here it is so far.

check positive and negative sequence components.sm (267,82 KiB) descargado 1173 vez(es).

Jean if you would like me to add to this, perhaps draw rotating graphs of the pos, neg zero sequence components i would be happy to, but will need some help with the graph stuff and animation,

Kind regards

John

Its going to be a hot one, 36C today.
#6 Publicado: 16/12/2021 20:24:46
Jean Giraud

Jean Giraud

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Thank you Jean for your time correcting my file, unfortunately I could not open it. However, it did give me impetus to carry on with my Pompelmo corrected file.


You can conserve units [silent] and recover at the end.
First time, can't open... Jean.

check positive and negative sequence components UNITS.sm (32,21 KiB) descargado 1149 vez(es).
#7 Publicado: 16/12/2021 21:01:11
overlord

overlord

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Your file has a non calculated matrix you have mentioned.
Here it is corrected, just put a line before expression.
The line usually fix that kind of problems.

And e^ is working fine, no difference in your file while using e^ or exp().

check positive and negative sequence components_r1.sm (236,17 KiB) descargado 1165 vez(es).

Never ever use "silence units", whatever that garbage term means. It is utterly useless crap.
You would just define again already defined unit with a different name which won't interact with other units.
If available always use bundled, included units. That is what a sane people do.

And Jean, stop misleading new users with your nonsense.
A 1 usuarios les gustó este mensaje
fedeghi 17/12/2021 3:58:00
#8 Publicado: 16/12/2021 21:54:35
John Heidenreich

John Heidenreich

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Wrote

Your file has a non calculated matrix you have mentioned.
Here it is corrected, just put a line before expression.
The line usually fix that kind of problems.

And e^ is working fine, no difference in your file while using e^ or exp().

check positive and negative sequence components_r1.sm (236,17 KiB) descargado 1165 vez(es).


I got the line to work overlord, thank you.


#9 Publicado: 17/12/2021 8:00:11
Jean Giraud

Jean Giraud

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Wrote

Thank you Jean for your time correcting my file, unfortunately I could not open it.


First step doctored c/w units.

John exp.PNG
#10 Publicado: 17/12/2021 8:10:03
John Heidenreich

John Heidenreich

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Wrote

Wrote

Thank you Jean for your time correcting my file, unfortunately I could not open it.


First step doctored c/w units.

John exp.PNG



Jean fortunately it works now after a few changes. Please see the R1 version.

Later I will add vectors in a diagram using some info from one of your plots . Then I will add animation, which should make clear to interested parties how + - and 0 sequence works.

kind regards again,

John
#11 Publicado: 17/12/2021 8:30:51
Jean Giraud

Jean Giraud

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Jean if you would like me to add to this, perhaps draw rotating graphs of the pos, neg zero sequence components i would be happy to, but will need some help with the graph stuff and animation,


Will be back on that.

John MATRIX.PNG
#12 Publicado: 17/12/2021 10:34:17
Jean Giraud

Jean Giraud

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... few more.

Triplets.PNG

Maths (-1)^x Convention SAMPLES.sm (99,65 KiB) descargado 1233 vez(es).
#13 Publicado: 17/12/2021 11:42:11
Jean Giraud

Jean Giraud

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Wrote

Later I will add vectors in a diagram


Something like this, that you can scale individually.
Cheers ... Jean... please report if can't open.

2D Util Bar Arrow Creator [3 phases motor].sm (20,47 KiB) descargado 1020 vez(es).
#14 Publicado: 17/12/2021 14:36:57
overlord

overlord

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Wrote

2021-12-17_20-33.png


He didn't "doctored" anything for me.
(Doctored means corrected in Jean's twisted mind, what a stupid word).
There is a bug which (-1)^x sometimes wrong.
He first claimed there is no bug such as that.
I proved there is a bug indeed.
He than claimed (-1)^x don't have a mathematical meaning.
When again proved he is wrong, he posted some useless examples trying to go around the bug.
When I insisted he is still wrong, he simply deleted everything he posted.
e^(π*i) = -1 and there is no difference with e^x and exp(x).
#15 Publicado: 17/12/2021 15:37:37
Norm Schutzkus

Norm Schutzkus

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Ang Sample.sm (25,32 KiB) descargado 1190 vez(es).

My 2 cents. I hope this is helpful.

Sincerely,

Norm
#16 Publicado: 17/12/2021 17:29:08
Jean Giraud

Jean Giraud

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Something like this, that you can scale individually.
Cheers ... Jean... please report if can't open.


... refactored version to get rid of rkfixed
Jean.

2D Util Bar Arrow Creator [3 phases motor].sm (17,46 KiB) descargado 1017 vez(es).
#17 Publicado: 17/12/2021 22:07:03
John Heidenreich

John Heidenreich

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Wrote

Ang Sample.sm (25,32 KiB) descargado 1190 vez(es).

My 2 cents. I hope this is helpful.

Sincerely,

Norm



Nasch you have some good stuff here I am going to cherry pick the bit I can use thank you :
#18 Publicado: 17/12/2021 22:13:19
John Heidenreich

John Heidenreich

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Wrote

Wrote

Something like this, that you can scale individually.
Cheers ... Jean... please report if can't open.


... refactored version to get rid of rkfixed
Jean.

2D Util Bar Arrow Creator [3 phases motor].sm (17,46 KiB) descargado 1017 vez(es).



First one was good Jean, this one is even better. I can use this thank you
#19 Publicado: 18/12/2021 2:26:27
John Heidenreich

John Heidenreich

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Wrote

Wrote

Something like this, that you can scale individually.
Cheers ... Jean... please report if can't open.


... refactored version to get rid of rkfixed
Jean.

2D Util Bar Arrow Creator [3 phases motor].sm (17,46 KiB) descargado 1017 vez(es).




Jean, I have added your graph feature to the document, but cannot quite get it to work.

I need to be able to add magnitude and angle to each of the three vectors with arrow heads and the graph needs to scale as well, perhaps 1.5 times greatest magnitude.

graph inputs.JPG

check positive and negative sequence components_r1-1_works.sm (324,3 KiB) descargado 1243 vez(es).


thank you.
#20 Publicado: 18/12/2021 2:31:11
John Heidenreich

John Heidenreich

5 me gusta en 67 mensajes.

Grupo: User

Wrote

Wrote

Wrote

Something like this, that you can scale individually.
Cheers ... Jean... please report if can't open.


... refactored version to get rid of rkfixed
Jean.

2D Util Bar Arrow Creator [3 phases motor].sm (17,46 KiB) descargado 1017 vez(es).




Jean, I have added your graph feature to the document, but cannot quite get it to work.

I need to be able to add magnitude and angle to each of the three vectors with arrow heads and the graph needs to scale as well, perhaps 1.5 times greatest magnitude.

graph inputs.JPG

check positive and negative sequence components_r1-1_works.sm (324,3 KiB) descargado 1243 vez(es).


thank you.



check positive and negative sequence components_r1-1_works.sm (321,74 KiB) descargado 1204 vez(es).
(Thanking all those that have helped )
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