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Please someone explain me how does the following code works?
If the purpose is to edit a library block, this may not be very easy. There are .p files that are protected and will not be poss...

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how to get Beta in power transformation ?
In continuous time, to achieve a 90-degree phase shift, you can use a Transport Delay block (or a Variable Transport Delay). The...

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Reference frame for MATLAB-SimPowerSystems' asynchronous machine model measurement signals (e.g phiqr,phidr)
This would depend on the block mask parameter Reference frame. This parameter controls the reference frame that is used to conve...

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armature controlled dc motor
At time 10 the load torque is increased from 0 and it settles at around 0.4. As the load stays at a nonzero value it is normal t...

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How can i switch the DC output of fuel cell in hybrid system?
A DC contactor should do the job. DC contactors are electrically controlled switches used for switching high power circuits.

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Linear induction motor in simscape
This error can also be a consequence of how the simulation model was built and I suspect is not the custom code the culprit. Th...

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In MUTUAL INDUCTANCE block, what does the mutual resistance mean ?
The mutual resistance and inductance corresponds to the magnetizing resistance and inductance on the standard transformer circui...

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Modeling of NPN silicon phototransistor
Simscape Electrical provides a variety of semiconductor devices (https://mathworks.com/help/sps/semiconductors.html). The photot...

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Newbie starter - AC generator circuit in Simulink
Mechanical power at the machine's shaft, in W. In generator mode, this input can be a positive constant or function or the outpu...

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Unable to simulate a fault on a Three-Phase Power Line
The block implements a short-circuit fault between phases or between a phase and ground. For example, to program a fault between...

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Simscape Synchronous reluctance motor model issue
We don’t know the assumptions used in the custom model. I have spotted a few sign mismatches that I believe should be different ...

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Having problem with VSI controller
There are a few fundamental issues with the model. First, a DC voltage source is used to keep the DC-link voltage constant. Ther...

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Thyristor Power converter Control
This is part of the control strategy. A reference 90 degrees is used for the firing angle and this angle will be adjusted around...

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How to simulate multiple rooftop solar PVs connected to grid in Simulink?
Simscape Electrical provides some good examples both in-product and on MATLAB Central. Check out this repository which provides ...

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Connection of PowerGUI Mode block to non powergui block
The solution would be to use sensors to measure the voltages and then feed these voltages to the custom Simulink block.

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pv based single stage acim driver error
As the error points out there is an algebraic loop that Simulink could not solve at the time. In R2024b release the model will s...

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Lookup table problem in Simulink
This seems to be a physical unit mismatch. In the attached model the input to the PS Lookup Table (1D) is not connected to anyth...

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DC Motor Simulation on Simulink Using Datasheet's Specifications.
Inertia is usually given in the datasheet. Friction constant can sometimes be ignored. We can also compute inertia using J=0.5m...

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N-Channel MOSFET Body Diode Tabulated I-V Curve Convergence Error
The model although simple poses some numerical challenges for the solver. Due to recent improvements the model can simulate with...

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Questions about the switching losses of a MOSFET
If you are operating the MOSFET in the reverse region (negative drain-source currents), the logged simulation data does not repo...

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Can a PWM signal with a 100% duty cycle be considered as an unit step?
In the context of the Ziegler-Nichols tuning method, a "unit step" input typically refers to a sudden change from zero to a spec...

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Unable to increase the simulation time and also getting wrong output power ,efficiency graphs due to wrong values in Inverter power module circuit.
The fundamental sample time of 5e-7 can be challenging. Also mixing discrete and continuous signals will not help. There are way...

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How can I get my motor & drive block to act as energy storage for my pulsed power load?
Rotor inertia can be used to model the flywheel. A very simple approach to model the flywheel is to use a rotational inertia con...

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How can a validate the BLDC Motor Model
PWM is a pulse and therefore not constant. For three-phase systems modulation waveform is also not going to be a constant value ...

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Simulating on-grid three-phase inverter with SVPWM, but the alpha beta components diverge so much
There is a good chance that the angle is wrong because you are doing atan2 of input(2) and input(2). However, input seems to be ...

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Why is the torque in the torque sensor converging to zero
The torque sensor is correctly connected. I believe the problem is the rotor angle definition. Possibly in the control part the ...

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Can I use this back EMF constant formula to calculate the K is this formula applicable for both BLDC and PMSM
The formula can probably be used for both BLDC and PMSM motors but pay attention to the waveform shape and ensure it aligns with...

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How to estimate the DC-DC boost converter states?
This suggests that the state-space model may be inaccurate. Double check the equations and assumptions when deriving the state-s...

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Matrix Converter Driving Induction Machine
This is the consequence of machine parameters. The speed of the motor will be constrained by the inertia and friction factor. De...

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Error: following inductors are connected with the following voltage source error matlab
It looks loke you’re using Specialized Power Systems. You can place a large resistor between the inductors and the ground. Start...

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