Boost Converter Parameter Calculation and Design in Matlab Simulink Part2

[@wickbron8964]

Hi! For this calculation of boost converter. Is this also applicable for PV grid connected three phase inverter with boost?

[@Aziz07-e6p]

I want to ask if Vin changes, does Vout also change? for example, if the Vin of the PV changes according to the irradiance and the temperature of the Vout Boost converter it will stabilize at the desired voltage or change according to the Vin of the PV. and one more thing I ask is that because Vin VP changes regarding filling inductor and capacitor values ​​in the boost converter, should we use which Vin value, is Vin the highest or should we take the average?

[@bakarow1]

why Vout is not 48V in the simulation results? was it because the part you have shown was the transient part of the waveform?

[@dhriyyefmohammed9521]

same question !!

[@nakiguler]

@@dhriyyefmohammed9521, The video shows only boost converter design. The 48V is selected as an example. Boost converter control is another issue. I may make a video to show it. But in this model, if you change the Pulse Width in the Pulse Generator, the output voltage will change. For ex., instead of "D", I selected 48 and the output voltage is around 48V. Could you please check it?

[@drlerkan]

teşekkür ederim.

[@bilalanwar149]

hi, how can we decrease the output voltage ripple if we have a large? please, thanks in advance

[@nakiguler]

Voltage ripple on ac side is depend on the filter. You can try increase ac capacitance at the output. If it need too big capacitance please increase inductance. You will find better values for these.

[@priyankagupta3635]

Where u take all parameters ( values) I mean which paper u take all values.can u provide paper

[@tokatburak1]

Hocam iyi günler mail adresinizi alabilir miyim ?

[@nakiguler]

İyi günler resmi web sitesinde bulabilirsin. websitem.gazi.edu.tr/site/gulern/contact

[@AbdulAhad-gd6gl]

I used Vin_min=273V, Vout=500V, power=100KW, fs=5K, and n=0.9 but the output current ripple is too much like way too much. is there any issue with my calculations? can you help please! I am making a simulation for a microgrid of 100KW

[@nakiguler]

I simulated the model by the direction of your parameters. The output current ripple is less than 2A. It approximately 1%. If it is not acceptable for your system, please try to change the "dv_persent" parameter in the video. Because it defines the output voltage ripple. If you select fewer values than 1%, the capacitance will increase but the ripple will decrease.

[@AbdulAhad-gd6gl]

@@nakiguler thanks for the reply sir, another thing is in the video there is written to take I_ripple from 20-40% of I_out than how did you take 0.4 in the calculation?

[@nakiguler]

@@AbdulAhad-gd6gl, You're welcome. It can be said, as the allowed ripple factor for input current. It is for low power systems. When you decrease it, you will see the inductor current ripple will decrease. Because inductance will increase.

[@AbdulAhad-gd6gl]

@@nakiguler thanks for the help

[@generaljager3101]

​@@AbdulAhad-gd6gl hello, from where you got the vin min and vout for pv?

[@kishorekumar-pe7mj]

calculated values y ? differ from simulation value??

[@nakiguler]

kishore kumar I don't calculate y value?

[@kishorekumar-pe7mj]

Naki GÜLER sorry not y sir..."why"??

[@jfaycel6446]

please have you a vidéo for Buck Converter Parameter Calculation

[@nakiguler]

Faycel Jamaaoui Ok. I will share video for buck converter parameters.

[@jfaycel6446]

thankyou Mr Naki Guler

[@DSP_PE]

Why there is no sound