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How to Determine Critical Clearing Time (CCT) in PSAT (MATLAB) After Applying a Line Fault?
The Power System Analysis Toolbox is not developed by MathWorks. Consider checking the documentation of this third party toolbox...

4 Monate vor | 0

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làm sao để đổi khối three phase fault, breaker từ tần số 60Hz sang 50Hz để sử dụng cho lưới điện Việt Nam
In the attached image it appears that the switching events are synchronized with the cycle (for a 60 Hz frequency we have a cycl...

4 Monate vor | 0

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How can I set the parameter ioc (prior open circuit current) of the supercapacitor block as a real-time variable parameter?
Parameter Writer is not supported in this context because it is used to initialize the block. The workarounds are: Do a calibr...

4 Monate vor | 0

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How can i build a ZIP Load with the use of Specialized Power System Library components?
A Three-Phase Dynamic Load would probably do it. Alternatively you can build a custom implementation using other fundamental com...

4 Monate vor | 0

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Using small transformer for large generator
In the IEEE 39-bus system example, each transformer is assigned a default rating of 100 MVA primarily for modeling consistency a...

4 Monate vor | 0

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I want to know how to change the load in my solar panel model PV in simulink
The subsystem called Scenario is used to define the PV/load profile.

4 Monate vor | 0

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How can i simulate a weak grid and also know/ calculate the SCR ratio and X/R ratio?
To achieve the required short circuit ratio and X/R ratio, you need to scale the grid source impedance, transmission line and tr...

4 Monate vor | 0

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Any one with an idea how the PI gain values used in the many VSC control examples in Matlab have been derived?
There is no general rule used in shipping examples for tuning the controller. Some are tuned based on frequency response, some u...

4 Monate vor | 0

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How to control a fixed desired current in a 3-phase Interleaved Buck converter?
The output current looks stable. If you want to control the output current to a specific value, then a control algorithm should ...

4 Monate vor | 0

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Battery temperature output not working in Simulink hybrid energy system model – need help integrating real-time thermal feedback for control logic
You can use Simscape Electrical or Simscape Battery for electro-thermal simulations. All battery blocks implemented in Sismcape ...

4 Monate vor | 1

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PMLSM Controller Over Active
There are a few things you can try. Increase the inverter switching frequency (in the example 2 kHz is used) and reduce the fun...

4 Monate vor | 0

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Which trick is used to adapt the PI gains calculated in per unit to work in Simulink if the input and output to the controller are all in per unit, but the plant is in physical units?
If you have a per unit controller, where input and output are in per unit. The only thing that is needed to go back to SI is the...

4 Monate vor | 0

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Hello everyone, please help me with this error Error:Invalid
The problem is the way you pass the data in the From Workspace block. What you want is to have P as a time varying signal of dim...

4 Monate vor | 0

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I don't understand what port 1 of the Two-Quadrant DC/DC Converter is and what should I connect it to?
This is a two quadrant DC-DC converter operating in first and second quadrant. It has two sets of DC connections. However, becau...

4 Monate vor | 0

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simscape noise on scope display
This is not ho physical blocks are working. Think about a real-world system where you have a DC voltage source. To display the v...

4 Monate vor | 0

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Matlab simulink components not conecting problem
It is not possible to directly connect Simscape blocks to Specialized Power Systems. It is better to use only one technology. Yo...

4 Monate vor | 0

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In a paper, I saw that a 'Convert' block (not very clearly labeled) was used to connect an AND gate to a Voltage Measurement block.
Not sure what the question is. The Convert block in the image is a Data Type Conversion. The output of the AND block is boolean ...

4 Monate vor | 0

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How to find the switching losses (reverse recovery losses) of the antiparallel diodes that are in a power converter?
Without a model is difficult to give specific advice. For IGBTs, it makes sense to see a decrease in switching losses when addin...

4 Monate vor | 0

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How do i tune my STATCOM to fit my model?
Tuning the PI gains in the STATCOM can help with waveform ripples but may not address the core issue if both controllers are act...

4 Monate vor | 0

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How does the PWM generator(3-level) block in Simulink work?
For linear operation of this block, the magnitude of Uref must be between −1 and +1 as per the documentation page. If the Uref ...

4 Monate vor | 0

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How to find Thevenin Impedance at Bus 1 in a Two-Area System with Synchronous Machines?
Is it possible use the Impedance Measurement Tool. The Impedance Measurement Tool can be used in networks containing synchronous...

4 Monate vor | 1

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Why do I get Fuel Cell stack - hydrogen partial pressure function calculation error?
Without the model we can not give a definitive answer. However, this points to a problem with the parameterization. Probably the...

4 Monate vor | 0

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How to make a power divider control for battery supercapacitor work on the HESS PLTS Stand alone system?
In a battery-supercapacitor HESS, the time constant of the low-pass filter determines the frequency split between the battery an...

4 Monate vor | 0

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PV array with DC/DC Buck Converter
Without the actual model we cannot point to any specific problem. It may be parameterization or design of MPPT. A good starting ...

4 Monate vor | 0

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How to Model a DC Motor in State-Space with Load Torque Disturbance Rejection?
The state-space can be constructed as xdot=A.x+B.u+w, where w is the disturbance. If the disturbance is known a coordinate trans...

4 Monate vor | 0

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issue on Machine losses Calculation and inverter loss calculation
First, the N-Channel IGBT block may be too complex for this kind of study. The N-Channel IGBT block is a high-fidelity represent...

4 Monate vor | 0

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Dual Active Bridge Control model
Without a model, we can provide only general guidance. Some other resources that have not been mentioned and can be useful: htt...

4 Monate vor | 0

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Why output results are coming 50 Nm when i checked pmsm block .actualy ipmsm machine model has to be generate 60 Nm for 300 phase current( id is -82 Amp, iq is 268 Amp).but i
Without a model is difficult to debug and point to a specific root cause. There can be a couple or things that can prevent the t...

4 Monate vor | 0

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How can I integrate a phasor-based DFIG wind farm model with a discrete PV plant in a single power system simulation
If fast-switching dynamics are crucial for your study, consider converting the DFIG wind farm model to time domain. If your focu...

4 Monate vor | 0

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simulink dc dc buck converter output not coming as desired
The issue concerns the fundamental sampling period. The timer period is set to 50 kHz (20 microseconds), and the sampling time m...

4 Monate vor | 0