Answered

Please I don't know how to build the aspect having the atan2(u(2).u(1))

this type of control needs to know the rotor angle (technically it just needs and estimate of it depending on how you approach t...

Please I don't know how to build the aspect having the atan2(u(2).u(1))

this type of control needs to know the rotor angle (technically it just needs and estimate of it depending on how you approach t...

ungefär 2 månader ago | 0

Answered

DAB (Dual active Bridge)

https://www.mathworks.com/help/sps/ug/dual-active-bridge-control.html and this: https://www.mathworks.com/matlabcentral/fileex...

DAB (Dual active Bridge)

https://www.mathworks.com/help/sps/ug/dual-active-bridge-control.html and this: https://www.mathworks.com/matlabcentral/fileex...

2 månader ago | 0

Answered

How to achieve 96 volt from 230v ac voltage ?

All of your controls are open loop. This gives you no ability to change the voltage level. You can either adjust your load res...

How to achieve 96 volt from 230v ac voltage ?

All of your controls are open loop. This gives you no ability to change the voltage level. You can either adjust your load res...

2 månader ago | 1

| accepted

Answered

Electrical Load Simulation for a House Simulink

It looks like you are pretty close. Mostly, you need to add a ground wire to your voltage supply and house so the current can f...

Electrical Load Simulation for a House Simulink

It looks like you are pretty close. Mostly, you need to add a ground wire to your voltage supply and house so the current can f...

2 månader ago | 0

Answered

How can i design an over/under voltage relay by using simulink?

You can implement all of that logic in Simulink to create a control signal for a breaker or an ideal switch to behave as the rel...

How can i design an over/under voltage relay by using simulink?

You can implement all of that logic in Simulink to create a control signal for a breaker or an ideal switch to behave as the rel...

2 månader ago | 0

Answered

Linearisation of electrical model in simulink using simulink control design toolbox

Hello Pamela, I think a classical linearization of the PMSM in the time domain around those variables is simply too non-linear ...

Linearisation of electrical model in simulink using simulink control design toolbox

Hello Pamela, I think a classical linearization of the PMSM in the time domain around those variables is simply too non-linear ...

2 månader ago | 0

| accepted

Answered

DC-DC converters: differences between a resistive load vs a CPL, and the "unknown load" case

There is no converter/controller than can handle any load, but in general, you can use current mode control for constant power a...

DC-DC converters: differences between a resistive load vs a CPL, and the "unknown load" case

There is no converter/controller than can handle any load, but in general, you can use current mode control for constant power a...

2 månader ago | 0

| accepted

Answered

DQ model of three phase induction motor simulate faults

You should use simscape models instead of simulink models, or you should derive a simulink model that is specifically designed t...

DQ model of three phase induction motor simulate faults

You should use simscape models instead of simulink models, or you should derive a simulink model that is specifically designed t...

3 månader ago | 0

Answered

I want to make a phase shift of a nonsinusoidal signal by 30 degree in simulink. Is there any phase shifting block or I have to create using different combinational elemenrs?

You can either create three seperate sources, and phase shift them that way, or add the appropriate amount to the output of the ...

I want to make a phase shift of a nonsinusoidal signal by 30 degree in simulink. Is there any phase shifting block or I have to create using different combinational elemenrs?

You can either create three seperate sources, and phase shift them that way, or add the appropriate amount to the output of the ...

3 månader ago | 0

Answered

Error in Simulink with PV Array. Error in simulation Simscape

If it works in continuous but fails in discrete, it is likely your time step is too large. You should be able to get it to work...

Error in Simulink with PV Array. Error in simulation Simscape

If it works in continuous but fails in discrete, it is likely your time step is too large. You should be able to get it to work...

3 månader ago | 0

Answered

What are Virtual Synchronous Generators and how do they help if they are virtual? Specifically in renewable energy.

Virtual in this case means that you are using something that isn't a synchronous generator to act like it is a synchronous gener...

What are Virtual Synchronous Generators and how do they help if they are virtual? Specifically in renewable energy.

Virtual in this case means that you are using something that isn't a synchronous generator to act like it is a synchronous gener...

3 månader ago | 1

Answered

dataset for voltage input and speed output along with motor datasheet to test the parameter estimation model in simulink

Here is a good starting point: https://www.mathworks.com/help/mcb/gs/estimate-motor-parameters.html

dataset for voltage input and speed output along with motor datasheet to test the parameter estimation model in simulink

Here is a good starting point: https://www.mathworks.com/help/mcb/gs/estimate-motor-parameters.html

3 månader ago | 0

Answered

State of Charge (SOC) Equations for Battery and Supercapacitor Blocks

if you right click the blocks, you can look under the mask and expore the full implementaiton of the models mathematically. You...

State of Charge (SOC) Equations for Battery and Supercapacitor Blocks

if you right click the blocks, you can look under the mask and expore the full implementaiton of the models mathematically. You...

3 månader ago | 0

Answered

Can a PV Array be simulated with partial shading , without using bypass diodes?

This is likely caused by the fact that the solar model is often implemented as a controlled current source. Having multiple con...

Can a PV Array be simulated with partial shading , without using bypass diodes?

This is likely caused by the fact that the solar model is often implemented as a controlled current source. Having multiple con...

3 månader ago | 0

Answered

How to obtain an array of values during simulation to use in the same simulation?

One way to store an array of previous values is to use the tapped delay block: https://www.mathworks.com/help/simulink/slref/tap...

How to obtain an array of values during simulation to use in the same simulation?

One way to store an array of previous values is to use the tapped delay block: https://www.mathworks.com/help/simulink/slref/tap...

3 månader ago | 0

Answered

I want Induction motor specification used in this video?

This is the motor: EM_Synergy-M800006 You can explore it's lumped parameters by opening the model here: https://www.mathworks.c...

I want Induction motor specification used in this video?

This is the motor: EM_Synergy-M800006 You can explore it's lumped parameters by opening the model here: https://www.mathworks.c...

3 månader ago | 0

Answered

matlab SIMULINK for implementing KCL & KVL LAW

https://www.mathworks.com/learn/tutorials/circuit-simulation-onramp.html

matlab SIMULINK for implementing KCL & KVL LAW

https://www.mathworks.com/learn/tutorials/circuit-simulation-onramp.html

3 månader ago | 0

Answered

Pv connected with battery need a variable resistor but i have constant voltage and a changing current from the pv and battery

Hello Peter, I'm not sure you should be controlling the resistance. In general, a solar panel and converter have no control ov...

Pv connected with battery need a variable resistor but i have constant voltage and a changing current from the pv and battery

Hello Peter, I'm not sure you should be controlling the resistance. In general, a solar panel and converter have no control ov...

3 månader ago | 0

Answered

estimate parameters of li-ion battery

Hello unfortunately, your question is too open ended to be answered well in a forum like this. If you can refine your problem ...

estimate parameters of li-ion battery

Hello unfortunately, your question is too open ended to be answered well in a forum like this. If you can refine your problem ...

3 månader ago | 0

Answered

Using resolver encoder block to calculate motor position

Normalized means you divide the signal by it's magnitude so that it varies between -1 and 1. For instance, a signal from 5 to -...

Using resolver encoder block to calculate motor position

Normalized means you divide the signal by it's magnitude so that it varies between -1 and 1. For instance, a signal from 5 to -...

3 månader ago | 0

Answered

bldc motor model suggestion

This is the closest you will find to that. You can convert power to torque by dividing by speed https://www.mathworks.com/help...

bldc motor model suggestion

This is the closest you will find to that. You can convert power to torque by dividing by speed https://www.mathworks.com/help...

3 månader ago | 0

Answered

Thermal modelling of an equivalent Lithium cell battery pack

This example incorporate thermal and might be a good place to start, although it looks like you want a more reduced order model ...

Thermal modelling of an equivalent Lithium cell battery pack

This example incorporate thermal and might be a good place to start, although it looks like you want a more reduced order model ...

3 månader ago | 1

| accepted

Answered

How to create a customized voltage source in simulink using an excel sheet of acquired voltage that contains time and the corresponding magnitude?

You need to use two blocks. One is a controlled voltage source, the other is the excel input block: https://www.mathworks.com/...

How to create a customized voltage source in simulink using an excel sheet of acquired voltage that contains time and the corresponding magnitude?

You need to use two blocks. One is a controlled voltage source, the other is the excel input block: https://www.mathworks.com/...

3 månader ago | 0

Answered

Trying to peak shave PV output via BESS but i cant figure out the control system.

A good starting point is to come up with a supervisory controller that will provide set points to the different systems. You wi...

Trying to peak shave PV output via BESS but i cant figure out the control system.

A good starting point is to come up with a supervisory controller that will provide set points to the different systems. You wi...

3 månader ago | 0

Answered

How I can make compatibility between pv array and Relay ?

You are combining two different technologies in simscape electrical (simscape vs specialized power systems). As the ideal solve...

How I can make compatibility between pv array and Relay ?

You are combining two different technologies in simscape electrical (simscape vs specialized power systems). As the ideal solve...

3 månader ago | 0

Answered

How to fix initial states of switches in circuit SIMULINK SIMSCAPE

The mostly likely issue is that in certain configurations, your model can't actually simulate. This could be due to current sou...

How to fix initial states of switches in circuit SIMULINK SIMSCAPE

The mostly likely issue is that in certain configurations, your model can't actually simulate. This could be due to current sou...

3 månader ago | 0

Answered

PV array Series Connection Error

The issue is how you modelled the solar panel. As you modelled it as a pure controlled current source, you cannot put it in ser...

PV array Series Connection Error

The issue is how you modelled the solar panel. As you modelled it as a pure controlled current source, you cannot put it in ser...

3 månader ago | 0

Answered

Three Phase AC Voltage Source, Internal Resistance and Inductance value

This block implements fixed resistance and inductance. They do not change based on input voltage. If you do not know your inte...

Three Phase AC Voltage Source, Internal Resistance and Inductance value

This block implements fixed resistance and inductance. They do not change based on input voltage. If you do not know your inte...

3 månader ago | 0

| accepted

Answered

Unable to modify the internal inductance value of IGBT and MOSFET

This is controlled by your powergui settings. You can either go into the powergui block and turn off ideal switching or you can...

Unable to modify the internal inductance value of IGBT and MOSFET

This is controlled by your powergui settings. You can either go into the powergui block and turn off ideal switching or you can...

3 månader ago | 0

| accepted

Answered

How to create automatically changing switching frequency to keep the Vout constant in the presence of constant Vin and varying Rload?

It's not possible to design a converter that keeps voltage constant to ANY load value. Please try asking a more specific questi...

How to create automatically changing switching frequency to keep the Vout constant in the presence of constant Vin and varying Rload?

It's not possible to design a converter that keeps voltage constant to ANY load value. Please try asking a more specific questi...

3 månader ago | 0