Answered
How to solve the error "Derivative input 1 of a control system block is Inf or NaN"?
This error happens when very large or infinite values are fed to integrator blocks, e.g., due to a division by zero (1/0 = inf)....

3 years ago | 0

Answered
An error appear whaile using SPDT Relay
Without the model is not easy to tell what is wrong. Most likely there is a modelling problem that results in an illegal operati...

3 years ago | 0

Answered
simscape time-switch (zero resistance)
The best way to do this is to use Variable R, L, C blocks. In Simscape electrical such blocks are available in both Simscape im...

3 years ago | 0

| accepted

Answered
Why is that the torque obtained from the ideal torque sensor is different from the torque obtained from DC motor?
As Steve mentioned the torque sensor will not see the internal inertia and therefore the mismatch. An alternative way to measure...

3 years ago | 0

Answered
problems with Block "Wind Turbine Induction Generator (Phasor Type)"
It is probably due to parameterization or the way the design of the model is done. Without a model not easy to understand the is...

3 years ago | 0

Answered
Vary the frequency of SimPowerSystems Three-Phase Programmable Source
What you actually need is a Controlled Voltage Source where you provide your own signal. There are such blocks in both Simscape ...

3 years ago | 0

Answered
How do I properly set up a Synchronous Machine (Salient Pole or Round Rotor) block?
Each synchronous machine is parameterized using standard or fundamental parameters. Machine fundamental parameters include the ...

3 years ago | 0

Answered
Building an inertia emulation block in simulink for a grid following converter.
If you just want to implement the formula using only Simulink blocks that can be done easily with a Transfer Fcn block. Check o...

3 years ago | 1

Answered
How to change composite three phase port to expandable three phase port in BLDC model of simscape electrical with the Matlab 2022b version?
This can be done using the 'Electrical connection' dropdown in the block mask. in 2022b this can be found under Rotor.

3 years ago | 2

| accepted

Answered
Automatic switch by using relay for PV array
You are traying to connect a physical block to a pure Simulink switch. Physical systems are not working in this way. You need to...

3 years ago | 0

Answered
Parameterize a Piecewise Linear Diode Model from a Datasheet
For this case forward voltage is 0.7V when the forward current is 5mA. Forward voltage is not actually a fixed value. The piecew...

3 years ago | 0

| accepted

Answered
Simulation running very slow in the order of 1e-8secs.
The model is not very well constructed wrt numerical stability. I propose a few changes that can help improving the simulation s...

3 years ago | 1

Answered
Pre Parameterized Components (Simscape Electrical) list appears do be empty in sub system
It works fine in MATLAB 2022a update 5. My advice is to get the latest update available for your version of MATLAB.

3 years ago | 0

Answered
What standard does the Implement generic hydrogen fuel cell stack model use as standard liters per minute?
The slpm is defined as the unit of volumetric flow rate of gas at a temperature of 273 K and 101.3 kPa. I hope this helps. ...

3 years ago | 0

Answered
Generate Zth transient thermal impedance curves with Simscape
Simscape Electrical provides some good examples about how to optimize parameters and generate characteristics that I believe are...

3 years ago | 0

Answered
Overexcitation limiter of excitation system model in Simulink
In Simscape Electrical we have implementations of most C versions of Automatic Voltage Regulators from IEEE Recommended Practice...

3 years ago | 0

Answered
Model error in Simulink of spsAsynchronousMachineModel
Most likely there is an issue with the installation of your toolbox. I would advise you to check if Simscape Electrical (or Sims...

3 years ago | 0

Answered
how can I model a second-order synchronous generator in simulink? Id and Iq are dependant on terminal voltages. how can i get the voltages while the equations are not solved?
You must start in a logical way, first identify the inputs and outputs of your model, then it would all flow easily. Voltages ar...

3 years ago | 0

Answered
How to connect longitudinal driver block to the bldc motor using h bridge or through buck boost converter ?
Basically, we have two approaches to control a BLDC: i) first one is by varying the DC voltage and commuting the phases in a par...

3 years ago | 1

Answered
Simulink scope does not show the graph
As we don’t have access to full model is not easy to investigate what the issue might be. First things are indeed to uncheck the...

3 years ago | 0

Answered
How can I generate a reference model from a model built with Simscape blocks?
An alternative solution would be to use subsystem2ssc function to generate a ssc file corresponding to your Simscape subsystem. ...

3 years ago | 0

Answered
Single-step stepper motor reaction.
In Simscape Electrical there are some good examples to start with: Stepper Motor with Control Stepper Motor Averaged Mode Uni...

3 years ago | 0

Answered
phasor vs continuous simulation
The way phasor simulation is working is different to the time-simulation (discrete or continuous). The phasor solve a much simpl...

3 years ago | 0

Answered
Is there a migration guide form Motor Control Blockset to Simscape ACIM model?
Motor Control Blockset provides Simulink® blocks for creating and tuning field-oriented control and other algorithms for brushle...

3 years ago | 0

Answered
DC-DC Dual Active Bridge
The parameterization depends on the application and requirements. For some ideas about how to start please check the folowing ex...

3 years ago | 0

Answered
PC Specifications for Simscape Power Electronics
You can use MATLAB R2022b System Requirements for Windows/Mac/Linux as a starting point for upgrade. That would be good enough t...

3 years ago | 0

| accepted

Answered
Simscape and Simscape Electric Realtime Simulation Speed at Speedgoat
For the Simscape model provided I was able to speed up the simulation by changing the local solver to Partitioning/Robust Simula...

3 years ago | 0

Answered
Connection port problem between blocks and machine
There is no way to directly connect Simscape lines to Simulink blocks. In Simscape Electrical Specialized Power Systems measurem...

3 years ago | 0

Answered
RMS, MEAN - initial input
This seems to be a parameterization issue. It must be ensured that one cycle of simulation has completed to get the correct resu...

3 years ago | 0

Answered
How do I find the correct motor parameters?
Simscape Electrical has added a PMSM Parameterization from Datasheet test harness for rated and stall conditions. This should ad...

3 years ago | 0