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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 ...

2 years ago | 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.

2 years ago | 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...

2 years ago | 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...

2 years ago | 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...

2 years ago | 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.

2 years ago | 0

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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 ...

2 years ago | 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...

2 years ago | 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/...

2 years ago | 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...

2 years ago | 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...

2 years ago | 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 ...

2 years ago | 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...

2 years ago | 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...

2 years ago | 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...

2 years ago | 0

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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...

2 years ago | 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...

2 years ago | 0

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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...

2 years ago | 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...

2 years ago | 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...

2 years ago | 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....

2 years ago | 0

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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...

2 years ago | 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...

2 years ago | 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...

2 years ago | 0

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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...

2 years ago | 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...

2 years ago | 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...

2 years ago | 0

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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...

2 years ago | 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...

2 years ago | 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...

2 years ago | 0