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Synchronous Machine compatibility issues with 3 level PWM rectifier
There seems to be some integration issues. Two systems can work well in isolation but can give wrong results when you put togeth...

1 month 前 | 0

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How to calculate Magnetization resistance and inductance
Magnetizing resistance can be computed using the no-load losses and the voltage (R_m=V^2/P). Magnetizing resistance represents t...

1 month 前 | 0

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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 month 前 | 0

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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 month 前 | 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 month 前 | 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 month 前 | 0

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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 month 前 | 0

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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 month 前 | 0

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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 month 前 | 0

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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...

2 months 前 | 0

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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...

2 months 前 | 0

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

2 months 前 | 0

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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...

2 months 前 | 0

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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...

2 months 前 | 0

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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...

2 months 前 | 0

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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...

2 months 前 | 0

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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...

2 months 前 | 0

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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...

2 months 前 | 0

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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...

2 months 前 | 0

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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...

2 months 前 | 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...

2 months 前 | 1

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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...

2 months 前 | 0

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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...

2 months 前 | 0

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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. ...

2 months 前 | 0

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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 ...

2 months 前 | 1

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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 ...

2 months 前 | 0

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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...

2 months 前 | 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...

2 months 前 | 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 ...

2 months 前 | 0

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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...

2 months 前 | 0

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