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Selective Harmonic Elimination (SHE) - PWM Techniques | MATLAB Simulation
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Күн бұрынSelective Harmonic Elimination (SHE) - PWM Techniques | MATLAB Simulation
Selective Harmonic Elimination (SHE) method is used to reduce the quantity of Total Harmonic Distortion (THD) in the existing system. Three phase voltage source inverter converts the DC into AC which in this is fed to the load (RL).
#selectiveharmonic #Elimination #Inverter #MATLAB #Simulink
0:00 Start
0:14 What is Harmonics in Inverter & Multilevel Inverter?
3:17 Classification of Selective Harmonic Techniques - SHE
6:52 Understanding Newton Raphson Method - NR
9:10 MATLAB Script File Development of NR Method
12:27 Running MATLAB Script File for NR Program
13:12 MATLAB Simulink for 1-Phase Inverter
16:56 Result Analysis for Gate Pulse NR Method
22:27 THD Analysis for SHE Technique
25:13 Different Case Studies for 3rd, 5th, 7th Harmonics
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@RizwanHamidEE--SL- 4 жыл бұрын
Sir can you provide whole simulation i.e,how to draw each block of simulation diagram
@gergelytakacs Жыл бұрын
The Matlab code does run and it is correct. Be aware, that this is the version for a full bridge (3-level) inverter. Some lectures online derive the equations nicely, but mostly for the 2 level half bridge version. It implements the example from the Master's thesis OPTIMIZED HARMONIC STEPPED-WAVEFORM FOR MULTILEVEL INVERTER (Siriroj Sirisukprasert) and if it agrees with the one shown in this video, then produces the same result as in the example shown in the thesis. If you would like to see the derivation of why this works, the thesis does not show it but you can find it in the paper "Generalized Techniques of Harmonic Elimination and Voltage Control in Thyristor Inverters: Part I--Harmonic Elimination" by Patel et al. (If you want to make it run, be careful that F is a vector, but dF is a matrix (spaces) a mistake that some of the commenters have made. Also, the break condition needs the function "all", this may have been a subtle change in Matlab Since this video was posted.)
@SUNInnovative Жыл бұрын
Please subscribe this channel we are publishing more related video soon.
@MohdShadab-ql4nw 3 жыл бұрын
Sir Please make a video of CASCADED H-BRIDGE INVERTER up to the value of alpha 6
@GoubindaSarkar-wi5js 4 ай бұрын
Can you tell how did you get the value of aplha1=20*pi/180....and so on
@maulikkhatri 4 жыл бұрын
Amazing
@GoubindaSarkar-wi5js 4 ай бұрын
Can you provide for the nine level inverter
@engr.inamurrehmanshahid3774 4 жыл бұрын
Sir kindly make a video on Grid tie multilevel inverter power control.... i really like your videos
@vinayakashetty5993 Жыл бұрын
can you please explain how the SHE is applied for 5 level cascaded inverter, how to derive the switching pulses for all the switches.
@ruthelenamendoza8244 Жыл бұрын
Gracias
@SUNInnovative Жыл бұрын
de nada, suscríbete y comparte este canal con tus amigos.
@NK-nj8ug 3 жыл бұрын
For harmonic order =5,7 it shows negative values of angles. harmonic order you have written there it means for 3rd harmonic or upto 3 harmonics?
@wailalwajeeh6520 3 жыл бұрын
Thanks for sharing this valuable information. I have a question. Why the low order harmonics are not completely eliminated as the SHE technique eliminates the low order harmonics?
@harikapadma7337 2 жыл бұрын
Same doubt, the value of THD is still around 75 which is very high
@sabheehali417 Жыл бұрын
@@harikapadma7337 I believe it is because of the presence of higher order harmonics which can be removed easily using filters.
@pentainamerica 3 жыл бұрын
Hello, Could you please help me with this question: How many harmonic components at most can be eliminated by using alpha1 to alpha5?
@kannank6518 3 жыл бұрын
Thank you for valuable information and also I need how to do 9 level flying capacitor multilevel inverter topology sir. Please reply me
@debashishmohanty3596 3 жыл бұрын
In the 3rd line of the script file, can you tell me what you've written after "The modulation index" ?
@harikapadma7337 2 жыл бұрын
Can you tell how will the output for 5level inverter with shepwm would look like?
@critic87 3 жыл бұрын
I was wondering if you could give me the script code of this video for NR method?
@muslimdad7627 9 ай бұрын
i need this simulation and its program code as well
@gulshankumaryadav8930 Жыл бұрын
sir, what about 180 to 360 degree. you haven't shown that simulation. how to find ig2??
@SUNInnovative Жыл бұрын
Please subscribe this channel, very soon we are doing live this matlab simulation to solve every query
@loveykumar2810 4 жыл бұрын
Very helpful..How can I get the file for NR method or simulink
@ayushkumar1539 3 жыл бұрын
khud bhi kuch karna sikho
@akshaykelagade6941 3 жыл бұрын
Sir can you provide C program for selected harmonic elimination
@alial-khayyat8934 4 жыл бұрын
What is pi/4 refere to ? and how can we get it ?
@SUNInnovative 4 жыл бұрын
Write video time line
@pentainamerica 4 жыл бұрын
@@SUNInnovative 7:39
@pentainamerica 4 жыл бұрын
i have the same doubt
@MohdShadab-ql4nw 3 жыл бұрын
@@SUNInnovative Please Explain this
@user-ty1kt7xq1e Жыл бұрын
Can you try do SHE with 5level of cross connected source mli?
@SUNInnovative Жыл бұрын
Please subscribe this channel we are publishing more related video soon.
@sadiarafiq8693 10 ай бұрын
Please provide the code file?
@murtazabugti8305 9 ай бұрын
this can work for 11 harmonics
@RahulRoy-apir Жыл бұрын
Sir , Your lecture is very helpful can you sent me the program code please
@SUNInnovative Жыл бұрын
Please subscribe this channel we are publishing more related video soon.
@yaakoubmt9767 4 жыл бұрын
i look for five level inverter single phase command by Selective Harmonic Elimination
@SUNInnovative 4 жыл бұрын
Please send requirement on eoyinnovative@gmail.com
@priyam6943 2 жыл бұрын
Did you get response?
@zong4264 2 жыл бұрын
I have mailed u seeking help in matlab haven't received any response from you, please response.Thank you!
@sathyajithvp7011 4 жыл бұрын
Could you help me with some doubts in this matlab simulation... Please help😇
@SUNInnovative 4 жыл бұрын
eoyinnovative@gmail.com
@alial-khayyat8934 4 жыл бұрын
Where is the value in the code, 20, 30, 50, 70 and 80 come from?
@SUNInnovative 4 жыл бұрын
It's for cancellation of fundamental Frequency Eliminate
@alial-khayyat8934 4 жыл бұрын
@@SUNInnovative how would you calculate them ?
@mdsartajahmed3398 2 жыл бұрын
I need simulation
@saitejamahankali483 4 жыл бұрын
hello, The THD value is very high. How to reduce it?
@SUNInnovative 4 жыл бұрын
Re change the value of alpha
@oussamasimo0232 4 жыл бұрын
could you create a model for five level inverter with thise command (SHE)
@SUNInnovative 4 жыл бұрын
Yes, please contact eoyinnovative@gmail.com
@priyam6943 2 жыл бұрын
Did you contact them?
@bijithababum1237 Жыл бұрын
Sir.. there is an error while running the code... It is shown that " error using inv Matrix must be square"
@SUNInnovative Жыл бұрын
You might be doing wrong while putting values.
@bijithababum1237 Жыл бұрын
@@SUNInnovative sir what changes should be done for a 3 phase inverter??
@bijithababum1237 Жыл бұрын
dalpha*180/pi; What is it mean for???
@SUNInnovative Жыл бұрын
It's rad, to degree conversation
@SUNInnovative Жыл бұрын
In that case you need to provide each pahse by 120 degree phase shifting
@marcorosucci3903 4 жыл бұрын
could you create a model for v2g (Vehicle to Grid)
@SUNInnovative 4 жыл бұрын
Good idea. Thanks for suggesting
@sreelakshmi6549 3 жыл бұрын
Can I get this simulation to my mail id?
@swatinegi8941 3 жыл бұрын
Pls provide this program
@SUNInnovative 3 жыл бұрын
visit online store www.suninnovative.in
@himanshu3622 3 жыл бұрын
please give the code file
@dictionarycom7931 3 жыл бұрын
Assignment karna hai kya PQIS ka😆😆
@aecl6327 3 жыл бұрын
Yaar tere assignment main jo answer hain wo galat hain. Alpha ki value satisfy nahi kar rhi equation ko. check kar bhai ek baar🤬🤬
@dictionarycom7931 3 жыл бұрын
@Himanshu Rajoria, ek bhi equation satisfy nhi ho rhi hai, check kro el baar
@sandeeppodder1491 4 жыл бұрын
I have mailed u seeking help in matlab haven't received any response from you, please response,its 5days
@SUNInnovative 4 жыл бұрын
Resend on eoyinnovative@gmail.com, sorry for inconvience,
@sandeeppodder1491 4 жыл бұрын
Jst resent u the mail please look into it and help me
@pentainamerica 4 жыл бұрын
Hello bro, can you please forward the code to my mail harshitp9989@gmail.com I will help me so much in my project. Please send it to me.
@basavarajuk4135 3 жыл бұрын
@@pentainamerica bro do u get the code??
@pentainamerica 3 жыл бұрын
@@basavarajuk4135 noo
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