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How to connect subsystems with different sample times in simulink
Running the system at same (fastest) rate while having different PWM switching frequency and different sampling for the control ...

más de 2 años hace | 0

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SPWM driven 3 phase induction motor run in reverse.
Flip vb with vc sine waves and change the sign of load mechanical torque to negative torque.

más de 2 años hace | 0

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i am doing a simulation of a isolated dc dc converter. how to set the parameter of linear transformer to get required turns ratio. please help
Simscape Electrical provides a Bidirectional DC-DC Converter block which can model both an nonisolated and an isolated converter...

más de 2 años hace | 0

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How can I produce a repeated stairs output signal with different switching time ?
For this kind of requirement probably a repeating sequence can work: https://www.mathworks.com/help/simulink/slref/repeatingseq...

más de 2 años hace | 0

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how to coordinate the clock bettwen simulink and matlab
It is possible to implement a MATLAB function in Simulink with a MATLAB function block: https://www.mathworks.com/help/simulink...

más de 2 años hace | 0

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Schmitt Trigger for Matlab 2013b
Schmitt trigger was introduced in R2015a. The only option for older versions would be a custom implementation.

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For running the Induction motor via Sinusoidal pulse width modulation, what type of filter I supposed to use?
There is no need to use any filter, the motor will act as a filter. PWM gate pulses are used to control the power inverter, the ...

más de 2 años hace | 0

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Adding delay to a boolean signal
If the model is running in fixed-step discrete using sample time Ts then it would not be possible to delay the signal by Ts/2. T...

más de 2 años hace | 0

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Variable RLC parameter block
It is possible to use Variable Resistor/Inductor/Capacitor to build your variable RLC. https://www.mathworks.com/help/simscape/...

más de 2 años hace | 0

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Switch in different Powergui
In Simscape Electrical, when you're using the Phasor simulation mode within the Powergui block, you are limited to certain compo...

más de 2 años hace | 0

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how do i implement direct torque control of induction motor without ac_4 block?
A good starting point for learning more about direct torque control is the documentation of Simscape Electrical: https://www.ma...

más de 2 años hace | 0

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How to control the speed of the synchronus motor in simscape?
In the attached image there is no control, it is open loop. For learning more about speed control of synchronous machines check ...

más de 2 años hace | 0

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Variable Speed Driver for Induction Motors - Constant V/Hz Control
Simscape Electrical provides a block implementing Scalar Control: https://www.mathworks.com/help/sps/ref/inductionmachinescalar...

más de 2 años hace | 0

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How to implement a V/Hz control transfer function in Simulink?
Simscape Electrical provides a block implementing Scalar Control: https://www.mathworks.com/help/sps/ref/inductionmachinescalar...

más de 2 años hace | 0

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Making a 3 phase semi-controlled converter using Simscape Electrical
In Simscape Electrical it is possible to use the Conveter (Three-Phase) block and set the 'Switching device' parameter to GTO or...

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is it possible to build a controllable load ?
In Simscape Electrical it is possible to use a dynamic load (single-phase or threee-phase). https://www.mathworks.com/help/sps...

más de 2 años hace | 0

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Where can we get description about HVDC control blocks?
If these blocks are part of a MathWorks product (e.g., Simscape Electrical) then you can click on help in the block mask to open...

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Having trouble charging battery using controlled voltage source
I would use a Controlled Current Source instead to charge the battery. See this simple Simscape Electrical example showing how t...

más de 2 años hace | 0

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Converting a sinusoidal signal into a trapezoidal one?
A saturation block can be used to saturate to sine wave so the output will look like a trapezoidal signal. Let’s say we have a s...

más de 2 años hace | 1

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DC-DC Buck-Boost Converter Closed Loop PWM control
The proportional control employed is not working properly. The controller is very basic, multiplying the error with a constant b...

más de 2 años hace | 0

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Undefined function 'cos' for input arguments of type 'char'.
inputdlg returns a cell array of character vectors containing one input per edit field, starting from the top of the dialog box....

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Why does SIMSCAPE have different values for the speed and the revolutions in the output, although they have to be the same? Is it maybe due to false parameters of the PI-regulator?
There are two issues with this model: i) instead of using electrical angle in the dq-abc block is using the mechanical angle, an...

más de 2 años hace | 0

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Dynamically simulate PMSM motor
The best starting point for understanding how the FEM-Parametrized PMSM block can be configured is the documentation page: http...

más de 2 años hace | 1

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Why PMSM model spins with SVPWM block?
In Simscape Electrical (or other Simulink toolboxes), the models for Permanent Magnet Synchronous Motors (PMSMs) can indeed star...

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How can I use the Battery Equivalent Circuit module and output its SOC？
It is possible to use a Probe block to output internal variables such as state of charge from the Battery Equivalent Circuit blo...

más de 2 años hace | 0

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How to measure the frequency of a 3 phase generator in simscape electrical
You can use a Sinusoidal Measurement (PLL, Three-Phase) block in Simscape Electrical. The Sinusoidal Measurement (PLL, Three-Pha...

más de 2 años hace | 1

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Switching and Conduction losses of MOSFET
lossesTable = ee_getPowerLossSummary(node) calculates dissipated power losses and switching losses for semiconductor blocks in a...

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how should I model the grid for the electrical supply for my Electrolyzer?(simscape)
Probably the best place to start is this example in Simscape Electrical: https://www.mathworks.com/help/sps/ug/green-hydrogen-m...

más de 2 años hace | 0

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Battery Short Circuit Current
That is the short circuit current. As there is no short circuit until 30s the current remains to 0 (Switch is open from 0 to 30s...

más de 2 años hace | 1

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how to make flux based model + inverter
This system can be modeled in Simscape Electrical with existing blocks (PMSM or FEM-Parameterized PMSM and Converter (Three-Phas...

más de 2 años hace | 0