Open-stator-winding DFIG?

Respected Research Fellows I hope everyone will be fine I need your help regarding the modeling of Open winding DFIG in MATLAB/SIMULINK, if anyone kindly provide me with some guidelines or...

09 October 2018 1,648 0 View

How to change the direction of output of voltage Source Inverter (VSI)

I have designed VSI in SIMULINK for grid connected operation of DFIG ,but the Output voltage of VSI is similar to stator voltage,and i want the flow from VSI toward the DFIG ,not from DFIG stator...

07 August 2017 6,796 2 View

How to know about the S-function of DFIG?

In Simulink library we have asynchronous generator ,i want to know about the S-Function of the this generator. How can i find it

07 August 2017 6,913 5 View

Can i find some basic ideas about asynchronous generator ?

06 July 2017 8,569 4 View

What should be the rating of voltage source converter (VSC) in grid connected operations?

05 June 2017 246 2 View

How to operate grid connected VSI in close loop?

I have modeled grid connected inverter by using grid voltage oriented control ,everything is fine but the current is too high,where can be the fault in circuit. Can anyone guide me

04 May 2017 1,361 3 View

I want to model open winding DFIG in MATLAB/SIMULINK,The neutral point of the stator winding is open?

03 April 2017 9,374 0 View

Is there any circuit for calculation of external resistance of cow bar circuit for grid connected double fed induction generator?

I need circuit diagam

11 December 2016 2,350 4 View

What is recommended for solid domain in ANSYS FLUENT?

Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?

01 March 2021 9,785 3 View

How to classify strictly upper triangular matrices by similarity?

Let F be a field. Consider U, the set of n times n strictly upper triangular matrices in F. For X, Y in U, we call them similar if there exists some S, which is non-degenerate and upper...

01 March 2021 2,957 8 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View

PUC19 as a transfer plasmid for lentiviral delivery?

Hello, Is it possible to use pUC19 as a transfer vector to be packed in using the second generation viral particles packaging system( pMD2.G; psPAX2 plasmids)? As far as I understand it there is...

28 February 2021 4,868 2 View

How to find a correlation between coordinates in a curvilinear coordinate system?

Hello. I have a skewed elliptical coordinate system (I use alternative elliptical coordinates). And I need to determine connections between coordinates in order to fetch a covariance matrix of...

28 February 2021 364 3 View

For modelling epoxy-based matrices (in composites), which model in ABAQUS is the most suitable, Concrete damaged plasticity or Drucker-Prager model?

I am working on developing a micromechanical FE model for predicting kink-band formation in UD composites. To model matrix plasticity, which model, out of Concrete Damaged Plasticity and...

28 February 2021 5,415 1 View

What are the methods used for CNT..?

Respected Professor's i hope you are doing well and happy. i need some information about carbon Nanotubes. before blending the CNT with the matrix the CNT has been introducing in some treatments....

24 February 2021 5,383 5 View