Answered
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...

1 year ago | 0

Answered
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...

1 year ago | 0

Answered
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...

1 year ago | 0

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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 ...

1 year ago | 0

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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 ...

1 year ago | 0

Answered
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 ...

1 year ago | 0

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Answered
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...

1 year ago | 0

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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...

1 year ago | 0

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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...

1 year ago | 0

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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...

1 year ago | 0

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How do i design an integrated drive generator using simulink and get data of inputs and outputs ?
This question is rather vague. A good strating point about modeling and control of such systems is Simscape Electrical. Check ou...

1 year ago | 0

Answered
Simscap PMLSM function - Linear Motor Definition Question
This would depend what information is available in the datasheet. This formula can be used to compute the relevant parameter bas...

1 year ago | 0

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Simple circuit does not work
The model is missing a domain reference. Connect an Electrical Reference block to the active electrical circuit (for example to ...

1 year ago | 0

Answered
What is role of Mosfet in regenerative mode?
In a regenerative braking scenario with an IPMSM (Interior Permanent Magnet Synchronous Motor), the motor acts as a generator, c...

1 year ago | 0

Answered
How to do output power measurement of a three phase inverter
There are two mistakes in this model. Firstly, the voltage to the Power Measurement (Three-Phase) should be phase voltage not li...

1 year ago | 0

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Linear actuator current simulation model
The problem is most likely in the control algorithm or parameterization. I have copy and paste your mechanical system into the e...

1 year ago | 0

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Answered
Can I use "power_AsynchronousMachineParams" to estimate values for single cage motors?
power_AsynchronousMachineParams function estimates the electrical parameters of double cage asynchronous machine based on standa...

1 year ago | 0

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How can I estimate electrical parameters of a single squirrel cage asynchronous machine based on standard manufacturer specifications?
power_AsynchronousMachineParams function estimates the electrical parameters of double cage asynchronous machine based on standa...

1 year ago | 0

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Simscape opamp not working with common mode dc voltage bias
This error point to a Simulink-PS Converter block (Simulink-PS Converter2 in the model). When simulating a model, you may need...

1 year ago | 0

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Three phase series RLC load block
The Three-Phase Series RLC Load block implements a three-phase balanced load as a series combination of RLC elements. At the spe...

1 year ago | 0

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Simulink model for DC shunt motor does not give correct output despite no errors.
This seems to be a parameterization issue. Increasing the field resistance to 150 Ohm will enable simulation to a nonzero speed....

1 year ago | 0

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current source inverter with PSW command
A good starting point to learn more about power inverter control is Simscape Electrical. Check this inverter voltage control exa...

1 year ago | 0

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Battery Charging and discharging
The Breaker block may not be the appropriate switching device to use for DC circuits. For such applications, it is recommended t...

1 year ago | 0

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How can I create a fault detection system for a PMDC motor using simulink?
Simscape Electrical provides a DC Motor model with electrical and torque characteristics and fault modeling. https://mathworks....

1 year ago | 0

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regarding to ssc_lead_acid_battery_model in matlab simscape how to find all the constants used in equations of voltage, capacitance, resistors and thermal model?
For the defining equations and their validation, see Jackey, R. "A Simple, Effective Lead-Acid Battery Modeling Process for Elec...

1 year ago | 0

Answered
I want to design a firing circuit for single phase full converter.so, I need comparator,pulse transformer, SR flip flops where do I find these blocks in simulink.kindly give me answer for this...
Best place to start is Simscape Electrical: https://mathworks.com/help/sps/getting-started-with-simscape-electrical.html

1 year ago | 0

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methodology for large scale AC grid routing using Electrical Simscape?
There is a Simscape Bus introduced in R2018b: https://mathworks.com/help/simscape/ref/simscapebus.html Some tips and tricks in...

1 year ago | 0

Answered
half bridge LLC resonant converter feedback loop VCO (Voltage controlled oscillator) design guideline
Simscape Electrical provides a Voltage Controlled Oscillator block since R2013b: https://mathworks.com/help/sps/ref/voltagecont...

1 year ago | 0

Answered
Induction Machine block Rotor velocity error
We don’t have the model to give specific advice. Check out this example that shows how to model a wye-delta starting circuit for...

1 year ago | 0

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Looking for an alternative to Simscape Three-Phase Breakers for frequently making/breaking connections in distribution network in Simulink
It is possible to use an SPST switch for each phase. See the Three-Phase Grid-Tied Inverter Optimal Current Control example in S...

1 year ago | 0