Answered
how control current by sliding mode of a switched reluctance machine?
A good starting point for sliding mode control is Simulink Control Design: https://www.mathworks.com/help/slcontrol/ug/design-s...

6 months ago | 0

Answered
How can i generate regular sampling PWM output using Matlab (Model)?
A simple example in MATLAB that is generating a pulse for given duty cycle and frequency: % Parameters Fs = 10000; % S...

6 months ago | 0

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Is there a way to control the pulses generated by DISCRETE PWM GENERATOR block based on duty cycle?
Check out the PWM block in Simulink: https://www.mathworks.com/help/simulink/slref/pwm.html Simscape Electrical also provides ...

6 months ago | 0

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comment programmer la methode MLI ou PWM(en anglais) par matlab ?
A simple example in MATLAB that is generating a pulse for given duty cycle and frequency: % Parameters Fs = 10000; % S...

6 months ago | 0

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Discrete SV PWM Generator block
Yes, that's expected behavior. In the Discrete PWM Generator block, the chopping frequency determines the actual switching perio...

6 months ago | 0

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EV SIMULATION, solver configuration, Block error ,
This error hints to a missing domain reference (e.g., an Electrical Reference). Without a model it is impossible to point to a r...

6 months ago | 0

Answered
Solver Configuration error in electro-mechanical SIMSCAPE model
I do not know how the model looks like, but the error points to not enough input derivative from Simulink to Simscape via Simuli...

6 months ago | 0

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Simscape solver integration issue
I cannot comment about the initialization issue without seeing the model. Regarding the integration of the two models, they do n...

6 months ago | 0

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Linear DC-Motor as a compound-object, using basic SimScape-Foundation Elements:
You have a bunch of components that you need to connect. Simscape language allow us to connect the components in this way. Looki...

6 months ago | 0

Answered
Nonlinear solver fail to converge due to Linear Algebra error. Failed to solve using iteration matrix
Without a model we cannot point to any root cause because there are many aspects that can cause this. Can be for example a model...

6 months ago | 0

Answered
Pure EV simulation
It is not possible to directly connect Specialized Power Systems blocks to Simscape blocks. Simscape Electrical provides electri...

6 months ago | 0

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How to Determine Critical Clearing Time (CCT) in PSAT (MATLAB) After Applying a Line Fault?
The Power System Analysis Toolbox is not developed by MathWorks. Consider checking the documentation of this third party toolbox...

6 months ago | 0

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làm sao để đổi khối three phase fault, breaker từ tần số 60Hz sang 50Hz để sử dụng cho lưới điện Việt Nam
In the attached image it appears that the switching events are synchronized with the cycle (for a 60 Hz frequency we have a cycl...

6 months ago | 0

Answered
How can I set the parameter ioc (prior open circuit current) of the supercapacitor block as a real-time variable parameter?
Parameter Writer is not supported in this context because it is used to initialize the block. The workarounds are: Do a calibr...

6 months ago | 0

Answered
How can i build a ZIP Load with the use of Specialized Power System Library components?
A Three-Phase Dynamic Load would probably do it. Alternatively you can build a custom implementation using other fundamental com...

6 months ago | 0

Answered
Using small transformer for large generator
In the IEEE 39-bus system example, each transformer is assigned a default rating of 100 MVA primarily for modeling consistency a...

6 months ago | 0

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Answered
I want to know how to change the load in my solar panel model PV in simulink
The subsystem called Scenario is used to define the PV/load profile.

6 months ago | 0

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How can i simulate a weak grid and also know/ calculate the SCR ratio and X/R ratio?
To achieve the required short circuit ratio and X/R ratio, you need to scale the grid source impedance, transmission line and tr...

6 months ago | 0

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Answered
Any one with an idea how the PI gain values used in the many VSC control examples in Matlab have been derived?
There is no general rule used in shipping examples for tuning the controller. Some are tuned based on frequency response, some u...

6 months ago | 0

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How to control a fixed desired current in a 3-phase Interleaved Buck converter?
The output current looks stable. If you want to control the output current to a specific value, then a control algorithm should ...

6 months ago | 0

Answered
Battery temperature output not working in Simulink hybrid energy system model – need help integrating real-time thermal feedback for control logic
You can use Simscape Electrical or Simscape Battery for electro-thermal simulations. All battery blocks implemented in Sismcape ...

6 months ago | 1

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Answered
PMLSM Controller Over Active
There are a few things you can try. Increase the inverter switching frequency (in the example 2 kHz is used) and reduce the fun...

6 months ago | 0

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Answered
Which trick is used to adapt the PI gains calculated in per unit to work in Simulink if the input and output to the controller are all in per unit, but the plant is in physical units?
If you have a per unit controller, where input and output are in per unit. The only thing that is needed to go back to SI is the...

6 months ago | 0

Answered
Hello everyone, please help me with this error Error:Invalid
The problem is the way you pass the data in the From Workspace block. What you want is to have P as a time varying signal of dim...

6 months ago | 0

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I don't understand what port 1 of the Two-Quadrant DC/DC Converter is and what should I connect it to?
This is a two quadrant DC-DC converter operating in first and second quadrant. It has two sets of DC connections. However, becau...

6 months ago | 0

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simscape noise on scope display
This is not ho physical blocks are working. Think about a real-world system where you have a DC voltage source. To display the v...

6 months ago | 0

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Matlab simulink components not conecting problem
It is not possible to directly connect Simscape blocks to Specialized Power Systems. It is better to use only one technology. Yo...

6 months ago | 0

Answered
In a paper, I saw that a 'Convert' block (not very clearly labeled) was used to connect an AND gate to a Voltage Measurement block.
Not sure what the question is. The Convert block in the image is a Data Type Conversion. The output of the AND block is boolean ...

6 months ago | 0

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How to find the switching losses (reverse recovery losses) of the antiparallel diodes that are in a power converter?
Without a model is difficult to give specific advice. For IGBTs, it makes sense to see a decrease in switching losses when addin...

6 months ago | 0

Answered
How do i tune my STATCOM to fit my model?
Tuning the PI gains in the STATCOM can help with waveform ripples but may not address the core issue if both controllers are act...

6 months ago | 0