Answered
Modelling the synchronous generator block as a voltage source
Would be helpful to check Simscape Electrical. There are blocks that will work in grid forming. A good starting point is this MA...

1 year ago | 0

Answered
Why my 2 legs inverter doesn't output the expected voltage?
The voltage will depend on what modulation technique and which semiconductor switches we actively control. Given that only one s...

1 year ago | 0

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three phase transformer simulation
This is probably related to incorrect parameterization of the transformer (voltage, power, resistance, inductance, etc). Voltage...

1 year ago | 0

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Why SIMULINK circuit and SIMCAPE circuit don't give same results?
There is no functionality available to convert models between the two technologies. Would be good to consider one technology onl...

1 year ago | 0

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Answered
How to converge when simulating the power system with negative resistance and positive inductance?
Negative values are allowed for resistance, inductance, and capacitance. The system can simulate with negative resistance and po...

1 year ago | 0

Answered
How to parallel Two three phase two level inverters in microgrid that is fed by renewables?
I can see why it works in isolation but not when integrating together. It seems that all inverters are trying to control the DC-...

1 year ago | 0

Answered
Powers at the two sides of a transformer not equal
In a typical transformer setup, the left side (primary winding) is connected to a voltage source, while the right side (secondar...

1 year ago | 0

Answered
How to connect two Three phase bridge rectifiers in parallel and get 12 pulse per cycle
The measurement comparing the results is not correct. Both voltage sensors are measuring the same thing because the wo converter...

1 year ago | 0

Answered
I got not logic current from motor which value from numbers suddenly 0 value. I think I have problem with the connection but still cannot find the mistake
The model is mixing two different technologies, Simscape and Specialized Power Systems. In R2024b release it is not even possibl...

1 year ago | 0

Answered
Improvement In Lumped Element Analysis?
In 2024b, Simscape Electrical introduced the S-Parameter Rational Fit block that implement rational fit approximation to S-param...

1 year ago | 0

Answered
Use WLTC drive cycle data instead of step input
What may be happening is that the library example is set up for operation below the base speed (Zero d-axis control). If the RPM...

1 year ago | 0

Answered
Problem with the Speed of the Asynchronous Machine in Simulink
The initial speed will depend on the initial slip. If the initial slip is 0, this implies that the rotor speed is equal to the s...

1 year ago | 0

Answered
Universal bridge Thyristor inverter (6-pulse)
The model seems flawed. Not sure why connecting an AC current source to the DC side of the converter. A starting point can be co...

1 year ago | 0

Answered
how do you rectify the three phase coming from the induction wind turbine generator?
Phasor simulation does not support rectification (ac-dc conversion). You can further simplify the circuitry to enable phasor sim...

1 year ago | 0

Answered
Why am I getting a Complex signal mismatch error when using the Simscape power system FACT element - UPFC(phasor model)
The UPFC block is a phasor model which does not include detailed representation of the power electronics. You must use it with t...

1 year ago | 0

Answered
Simulink Asynchronous motor output
Rotor speed is in radians/s as indicated. The initial speed will depend on the initial slip. If the initial slip is 0, this impl...

1 year ago | 0

Answered
How to generate a P-V curve when changing the Open Circuit Voltage and Short Circuit Current Values in a Solar Cell module?
To learn more about how to generate solar cell power curve check out this Simscape Electrical example: https://mathworks.com/he...

1 year ago | 0

Answered
What kind of FACTS device did you use in your simulation of series compensation named power_3phseriescomp.
Traditional series compensation involves the use of fixed series capacitors installed directly in the transmission line to reduc...

1 year ago | 0

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Why do I see different measured values for frequency of the same three phase electrical signal while using different PLL & PMU block types?
A PLL is a closed-loop feedback algorithm that can lock the output frequency to match the input frequency. There are a variety o...

1 year ago | 1

Answered
Why my PMSM loses Torque suddenly after some time.
There are a few online resources related to Electric Vehicle design that should help: https://mathworks.com/matlabcentral/filee...

1 year ago | 0

Answered
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...

1 year ago | 0

Answered
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. ...

1 year ago | 0

Answered
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 ...

1 year ago | 1

Answered
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 ...

1 year ago | 0

Answered
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...

1 year ago | 0

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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...

1 year ago | 0

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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 ...

1 year ago | 0

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Answered
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...

1 year ago | 0

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Answered
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...

1 year ago | 1

Answered
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...

1 year ago | 0