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Meme Young


Last seen: 3 days ago
25 total contributions since 2019

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Question


IEEE first benchmark for subsynchronous resonance(SSR) study
Has anyone modeled IEEE first benchmark for subsynchronous resonance study in Simulink Specialized power systems? I have built o...

2 months ago | 0 answers | 0

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answers

Question


Problems simulating a Specialized power system circuit using m code
For some reason, I have to simulate a Specialized power system circuit using m code, in dq frames. For this I have made three fi...

2 months ago | 0 answers | 0

0

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Answered
Why am I getting an error 'index greater than 1' when trying to simulate a circuit based on ode15s
@Walter Roberson I have checked my matrix. The answer you posted says that the (M + lamda * dF/dy) has to be non-singular for al...

3 months ago | 0

Answered
Is there anyway to calculate the position in coordinates of points using a n*n distance matrix?
I have found a mwthod mdscale() to do such things. But first, you have to know what is the dimension of the coordinates.

3 months ago | 0

| accepted

Question


Why am I getting an error 'index greater than 1' when trying to simulate a circuit based on ode15s
I am trying to simulate a circuit in a simulink model but I get an error saying that index > 1; if I change to other solvers lik...

3 months ago | 1 answer | 0

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answer

Question


Is there anyway to calculate the position in coordinates of points using a n*n distance matrix?
if there are n points in a 2-D coordinate, it is relatively easy to calculate the distance matrix using their positions. However...

5 months ago | 2 answers | 0

2

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Answered
How to attract solution from ANSYS Maxwell?
How many cols do you have in your fld file? I have 9 cols, the first 3 are the position of the point and the latter 6 are "compl...

5 months ago | 0

Question


GPU backslash performance much slower than CPU
I am doing numerical power flow caclulation by modifying the functions of matpower, an open source toolbox. By modifying its fun...

6 months ago | 1 answer | 1

1

answer

Answered
Virtual synchronous machine (simulink file)
Just modify any synchronous machine model in Simulink into a voltage source (they are modeled as current sources in simulink)

7 months ago | 0

Answered
Simulink file of a Virtual Synchronous Generator
A simple way is to change the built-in synchronous machine models in Simulink into voltage sources(they are modeled as current s...

8 months ago | 0

Answered
Does anyone have the idea about inverting .p file into a readable .m file? powericon.p
Thank you bro but the description is a bit confusing because it is in English. I think both of us come from China right? Could y...

10 months ago | 0

Answered
Does anyone have the idea about inverting .p file into a readable .m file? powericon.p
How did you manage to access this matrix bro? I have tried it myself as well. When calling powericon() in codes, you can get a s...

10 months ago | 0

Answered
Does anyone have the idea about inverting .p file into a readable .m file? powericon.p
Nice try man, but I will tell you there is no shit in powericon() because it is just calling other functions to calculate the pa...

10 months ago | 1

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Answered
How to decrypt a pcode?
Oh man you have really asked a good question, like claiming yourself to be a bank robber in front of a police department

10 months ago | 2

Answered
linmod function for linearizing IEEE Second Benchmark System
There is a similar work in book "Dynamic simulations of electrical machinery using MAtlab Simulink" and the eigenvalue analysis ...

11 months ago | 0

Answered
PSAT queries and MATLAB/Simulink
http://faraday1.ucd.ie/psat.html It is a 3rd party software and it has no warranty. In my opinion it is just a matlab-based pow...

12 months ago | 0

Answered
Order of Model -Synchronous Machine SI Fundamental
its 5 order for salient pole and 6 order for round rotor.

1 year ago | 0

Answered
Lack of understanding or inaccuracy of the model of the dynamics of three-phase round-rotor or salient-pole synchronous machine
for salient pole rotors nstate=5 and this will change(1 1) (1 5) (5 1) (5 5) of the zero matrix

1 year ago | 0

Answered
Synchronous machine saturation instabilities
Hi Dude I am doing sync machine modelling as well. It seems that you are imitating the simulink sync machine model. How do you u...

1 year ago | 0

Question


Parameter conversion between synchronous machine pu standard and pu fundemental
I am doing synchronous machine modelling and I am paying attention to the pu standard and pu fundemental synchronous machine. Wh...

1 year ago | 0 answers | 0

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answers

Question


Is it possible to model synchronous machines merely with controlled sources, s-functions and R L C components?
Hello guys I wanna model a synchronous machine merely with controlled sources, s- functions and R L C components with no more co...

1 year ago | 1 answer | 0

1

answer

Answered
Computer halts when running Python API functions
OK it is done. Matlab matrices have to be reshaped then py.list() then py.numpy.reshape() then py.list() to create adjacency mat...

1 year ago | 0

| accepted

Question


Computer halts when running Python API functions
I am doing research in power system partition using matpower and results have to be plotted. Matlab is weak in such plotting so ...

1 year ago | 1 answer | 0

1

answer

Answered
How to turn off all results in matpower?
Dude ayyappa is right But in Matpower 7.0 the ('out.all' ,0)option will be overridden when calling function runpf(),namely,the ...

1 year ago | 0

Answered
Compensation model with synchronous generator
Please do it yourself:)

2 years ago | 1