Answered

how can i implement discrete s transform for harmonic analysis?

This answer is part of a Matlab Answers cleanup effort: Please see this doc page: https://www.mathworks.com/help/matlab/ref/fft...

how can i implement discrete s transform for harmonic analysis?

This answer is part of a Matlab Answers cleanup effort: Please see this doc page: https://www.mathworks.com/help/matlab/ref/fft...

7 months ago | 0

Answered

Protecting a subsystem in simulink

Hello Ashwini, please use this page as a reference. If part of it doesn't work, please share the specific error message to get...

Protecting a subsystem in simulink

Hello Ashwini, please use this page as a reference. If part of it doesn't work, please share the specific error message to get...

7 months ago | 0

| accepted

Answered

installing NI VISA driver

Please go here: https://www.mathworks.com/hardware-support/ni-visa-keysight-visa-tekvisa.html You can also install the drivers ...

installing NI VISA driver

Please go here: https://www.mathworks.com/hardware-support/ni-visa-keysight-visa-tekvisa.html You can also install the drivers ...

7 months ago | 0

| accepted

Answered

How to interact phasor with a discrete system ?

Hello Rishard, is the discrete model also a Specialized Power System model? If you want to have a phasor model, and a discrete...

How to interact phasor with a discrete system ?

Hello Rishard, is the discrete model also a Specialized Power System model? If you want to have a phasor model, and a discrete...

7 months ago | 0

Answered

How to perform fuzzy modeling of field effect diode in MATLAB Simodink

Hello Mehdi, in general, I use physics based approaches for modelling a diode as it is more computational efficient and actuall...

How to perform fuzzy modeling of field effect diode in MATLAB Simodink

Hello Mehdi, in general, I use physics based approaches for modelling a diode as it is more computational efficient and actuall...

7 months ago | 0

Answered

How do I generate pulses from the block PWM Generator to operate the switches if they are more than four?

Hello Salah, you need to determine the appropriate duty cycle for each of your half bridges. I see 4 half bridges. So you nee...

How do I generate pulses from the block PWM Generator to operate the switches if they are more than four?

Hello Salah, you need to determine the appropriate duty cycle for each of your half bridges. I see 4 half bridges. So you nee...

7 months ago | 0

Answered

Error "Derived parameter initialization for Vbe_sat failed to converge"

Hello Ander, the issue is that RC and RE need to be lower to calculate a realistic Vbe-sat. I believe it needs to be lower tha...

Error "Derived parameter initialization for Vbe_sat failed to converge"

Hello Ander, the issue is that RC and RE need to be lower to calculate a realistic Vbe-sat. I believe it needs to be lower tha...

7 months ago | 0

| accepted

Answered

Variable resistor with Tustin solver

Hello, I think the interpolation function is incompatible with the variable resistor. I'll submit a bug report and see what I ...

Variable resistor with Tustin solver

Hello, I think the interpolation function is incompatible with the variable resistor. I'll submit a bug report and see what I ...

7 months ago | 0

| accepted

Answered

P, PI, PID Implementation in two-op-Amps

hello Steven, there are two pieces. 1st, you need to write your PID controller in form A(Bs+1)(Cs+1)/s. This gives you A = R1...

P, PI, PID Implementation in two-op-Amps

hello Steven, there are two pieces. 1st, you need to write your PID controller in form A(Bs+1)(Cs+1)/s. This gives you A = R1...

7 months ago | 0

Answered

Longitudinal differential protection of synchronous generators in mathlab

Hello Yuri, you will want to start by learning to use simscape, and then simscape electrical. Landing page: https://www.math...

Longitudinal differential protection of synchronous generators in mathlab

Hello Yuri, you will want to start by learning to use simscape, and then simscape electrical. Landing page: https://www.math...

8 months ago | 0

Answered

How can I create a new column vector to store dates?

Hello Salman, you can use datetime for this: https://www.mathworks.com/help/matlab/matlab_prog/represent-date-and-times-in-MATL...

How can I create a new column vector to store dates?

Hello Salman, you can use datetime for this: https://www.mathworks.com/help/matlab/matlab_prog/represent-date-and-times-in-MATL...

8 months ago | 0

| accepted

Answered

Assign Slider Value Changing to a vector element in App Designer

Hello Giovanni, do you mean to multiply u_fs = Kfinv*f(changingValue)? right now it is Kfinv*f, where f is [100x1]. that mean...

Assign Slider Value Changing to a vector element in App Designer

Hello Giovanni, do you mean to multiply u_fs = Kfinv*f(changingValue)? right now it is Kfinv*f, where f is [100x1]. that mean...

8 months ago | 0

Answered

transformer output amplitude increasing oscillations

In addition to adding snubber resistors, you can reduce your time step or increase your tolerance. Maksure sure you are using t...

transformer output amplitude increasing oscillations

In addition to adding snubber resistors, you can reduce your time step or increase your tolerance. Maksure sure you are using t...

8 months ago | 0

Answered

problems connecting a Voltage Measurement Block to parallel RLC branch circuit.

I'm sorry this answer comes too late to be useful: It sounds like the first issue is a UI bug preventing connection of lines th...

problems connecting a Voltage Measurement Block to parallel RLC branch circuit.

I'm sorry this answer comes too late to be useful: It sounds like the first issue is a UI bug preventing connection of lines th...

8 months ago | 0

Answered

Is the abc_to_dq0 Transformation correctly defined in SimPowerSystems?

It is correct, howerver, there are mutliple standards for reference frames which can cause confusion. (such as a 90 degree offse...

Is the abc_to_dq0 Transformation correctly defined in SimPowerSystems?

It is correct, howerver, there are mutliple standards for reference frames which can cause confusion. (such as a 90 degree offse...

8 months ago | 1

Answered

Problem with Matlab example model in SimPowerSys - Performance of Three PSS for Interarea Oscillations

I ran this model with changes and saw no oscillations. Please include example files of problems when you want help debugging.

Problem with Matlab example model in SimPowerSys - Performance of Three PSS for Interarea Oscillations

I ran this model with changes and saw no oscillations. Please include example files of problems when you want help debugging.

8 months ago | 0

Answered

battery electrical model on simulink

This is being answerd as part of a Simscape Electrical Matlab Answers cleanup. I apologize for this being too late to be useful...

battery electrical model on simulink

This is being answerd as part of a Simscape Electrical Matlab Answers cleanup. I apologize for this being too late to be useful...

8 months ago | 0

Answered

How to obtain the magnetization currents of a transformer in Simulink ?

If you are specifically looking for magentization, a simple transformer block will not capture the dynamics to the level of deta...

How to obtain the magnetization currents of a transformer in Simulink ?

If you are specifically looking for magentization, a simple transformer block will not capture the dynamics to the level of deta...

8 months ago | 0

Answered

While attempting to run a simulink file with simpower systems components, MATLAB throws the following error. Kindly help me out of this. I am running MATLAB R2009a

This type of error would require an example model to be included.

While attempting to run a simulink file with simpower systems components, MATLAB throws the following error. Kindly help me out of this. I am running MATLAB R2009a

This type of error would require an example model to be included.

8 months ago | 0

Answered

Simulink model for buck-boost cascaded inverter

This is part of a Matlab Answers Simscape Electrical cleanup effort: This can be done in simscape electrical or specialized pow...

Simulink model for buck-boost cascaded inverter

This is part of a Matlab Answers Simscape Electrical cleanup effort: This can be done in simscape electrical or specialized pow...

8 months ago | 0

Answered

is the black vertical bar bus bar?

It can also be a power measurement block that was filled black and made small to look like that.

is the black vertical bar bus bar?

It can also be a power measurement block that was filled black and made small to look like that.

8 months ago | 0

Answered

Can i construct 24 bus reliability test syste using simpowersystem blocks like sync mashine in matlabsimulink??

Yes it is, please look at examples to see larger systems.

Can i construct 24 bus reliability test syste using simpowersystem blocks like sync mashine in matlabsimulink??

Yes it is, please look at examples to see larger systems.

8 months ago | 0

Answered

how to calculate zero sequence impedance(resistance,inductance,capacitance) for destributed parameter line block if i am only having the positive sequence parameters

Unfortunately you can't. positive sequence inherently has no zero sequence aspects to it.

how to calculate zero sequence impedance(resistance,inductance,capacitance) for destributed parameter line block if i am only having the positive sequence parameters

Unfortunately you can't. positive sequence inherently has no zero sequence aspects to it.

8 months ago | 0

Answered

How to build an Op Amp?

try adjusting your maximum time step to something smaller. It could be that the simulatoin is accurate, it's just taking such l...

How to build an Op Amp?

try adjusting your maximum time step to something smaller. It could be that the simulatoin is accurate, it's just taking such l...

8 months ago | 0

Answered

Control the output power of the generator when connected to a infinite grid

This sounds like an issue with your control algorithm and how the generator is interacting with it's connections. It is likely ...

Control the output power of the generator when connected to a infinite grid

This sounds like an issue with your control algorithm and how the generator is interacting with it's connections. It is likely ...

8 months ago | 0

Answered

How to find Total Harmonic Distortion(THD) in power system model using wavelet toolbox?

use the powergui button to analyze THD instead. Or, start here to bring in your data: https://www.mathworks.com/help/wavelet/gs...

How to find Total Harmonic Distortion(THD) in power system model using wavelet toolbox?

use the powergui button to analyze THD instead. Or, start here to bring in your data: https://www.mathworks.com/help/wavelet/gs...

8 months ago | 0

Answered

Power_analyze-increase accuracy (state-space)

If you need greater than double precision tolerances you will need to solver this problem with custom data types and math librar...

Power_analyze-increase accuracy (state-space)

If you need greater than double precision tolerances you will need to solver this problem with custom data types and math librar...

8 months ago | 0

| accepted

Answered

Is there a typo in the simpowersystems transformer impedance dialog?

which transformer block? most of them take inductances or (pu) inductances. It may say impedance if it is asking for R and L i...

Is there a typo in the simpowersystems transformer impedance dialog?

which transformer block? most of them take inductances or (pu) inductances. It may say impedance if it is asking for R and L i...

8 months ago | 0

Answered

How can find a transfer function of the model in base paper

Use frequency response estimation if the system cannot be linearized analytically. https://www.mathworks.com/help/slcontrol/fre...

How can find a transfer function of the model in base paper

Use frequency response estimation if the system cannot be linearized analytically. https://www.mathworks.com/help/slcontrol/fre...

8 months ago | 0

Answered

How to break down three phase pulses into single phase for gate pulses?

Hello Mark, sorry for this being too late for you. Use mux and demux blocks to access combined signals. You can also use sele...

How to break down three phase pulses into single phase for gate pulses?

Hello Mark, sorry for this being too late for you. Use mux and demux blocks to access combined signals. You can also use sele...

8 months ago | 0