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Measurement of open circuit voltage of PV panel in simulink
The model has a singularity in the solution and won’t be possible to simulate in this way. You can do this using Simscape blocks...

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dq-to-abc block does not work when the input is from three-phase measurement block
This is possibly related to wrong angle used. I suspect that the direction is different, and the angle shows opposite movement. ...

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I calculated IdIq as an equation in the experimental data 3 phase current, but the value is weird.
If the initial angle is wrong, the d and q components will be also wrong. By using atan2 we don’t have any control over initial ...

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Convert Solar Power from the Data block to SimPowerSystems Currents ？
The first highlighted equation (V1) computes the positive sequence component using the line voltages. The second calculates the ...

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Why the measured output active power of generator is different using two different methods?
The problem here is that the power measurement is done through a three-phase phasor block that would expect phasor inputs. Howev...

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FOC BLDC with mathematical model
Would be a good idea to first test the BLDC model in open loop so you can rule out the controller being the culprit. It may just...

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Why parameterized MOSFETs does not show response
In this instance the problem is the threshold voltage. The gate signals coming from the controller are 0 or 1 but the threshold ...

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Why am I not getting proper gate signal and voltage
Even though it appears that is working the controller is not working properly. The inner current control loops are not doing wha...

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Simscape AC Current Source issue
If I understand correctly, the issue is a current source in series with a switch (circuit breaker) that is not behaving as expec...

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How can I map Body Diode datasheet params to Simulink N-MOSFET model?
The N-Channel MOSFET block models the body diode either as an ideal, exponential diode or as a tabulated diode. If available d...

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VPP Virtual Power Plants model SIMULINK
This question is rather vague. If you want to learn more about power plant modeling and simulation you can check some of the res...

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Analysis of real data by powergui
This should be possible if the data is stored in a struct with 3 fields (time, signals, blockName). Alternatively, data can be i...

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Controlling a bidirectional AC/DC converter stable with no power transfer
The control algorithm is not correctly implemented. Right now, there is no feedback on d-axis current but there is feedback on ...

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Using powergui FFT analysis to calculate the input power factor and the displacement power factor.
The FFT Analyzer app allows you to perform Fourier analysis of simulation data and provides access to all the simulation data th...

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PV array with DC-DC buck boost Converter
In PV array, Advanced tab, enable Break algebraic loop in internal model. In discrete models, the parameter is visible only if t...

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why isn't ideal IGBT and MOSFET showing instantanteous switching on and off?
This appears to be an issue with the model max step size rather than the electrical model. https://mathworks.com/help/simulink...

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How does the electrical circuit of a Battery work?
To get more insights into this model you can check out the references from the doc page. Particularly, reference [3] that is dis...

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Oscillation in simple PV circuit
There is no control implemented for the Boost converter as it is (no voltage feedback and no inductor current feedback). Connect...

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Three-Phase PI Section Line VS Distributed Parameter Line ?
The PI Section model represents the transmission line with parameters lumped in a PI section. In the Distributed Parameters Line...

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Freewheeling diode causing error in Full-Bridge Inverter model
This model appears to be stiff and poses challenges to the solver. Running the model in fixed-step global solver is not the best...

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Battery modeling lead acid constant current charging mode
In this mode the battery is continuously charging. When the SOC reaches 100% the fully charged voltage is reached. However, as t...

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Nonlinear solver: Linear Algebra error. Failed to solve using iteration matrix. Initial conditions solve failed to converge.
This model is structurally singular because some variables are missing from the final set of equations. Double check if the equa...

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Ideal Switch implementation in Simulink
As per the attached circuit this is the expected behavior as a current is forced into the circuit. The voltage across the resist...

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Why do I see huge voltage spikes at the output of a 3 phase MMC (Modular multi-level converter) in Simscape, when the number of submodules >1, but not with 1 submodule?
The model may be a bit challenging for the solver due to parameterization. In this case, one way to avoid these spikes is to swi...

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I have some issues with derivating D-Q inductance from a five-phase FEA data.
The code implementing the mathematical transform does not look right as it seems that only mutual inductances are used (Laa, Lbb...

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Bridgeless boost PFC modeling
The shape can be affected by inappropriate parameterization such as capacitor, inductor and other elements. For an example of to...

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Pole pair on Single Phase Asynchronous motor Cap Start-Run
When simulating a single-phase asynchronous motor, the number of pole pairs directly affects the motor's speed. The negative RPM...

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flickering lamp with visual effects in simulink
It is possible to simulate an electrical system with flickering voltage in 1D in Simscape Electrical or even Simulink. To visual...

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Trying to model a hoist with dc motor
There are a few issues with the model. The PI controller is not connected properly as the error is passed to P and I parameter i...

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Error when running simple voltage converter in simulink
Changing the initial value for the capacitor voltage to a non-zero value may help the solver. Without the model is not easy to p...

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