Thank you so much sir . Tomorrow is my 5th sem exam of power electronics paper .. To see your videos I clear my all doubt .. Now I think I will be pass in this paper just to see your videos. Very clear explanation Sir . Thank you so much .
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Your Appreciations, care and share matters a lot to me. #EnginneringLove. All the subjects playlist of Engineering Funda is available in comment section. Share it with your friends to support us. Your positive comments motivates me and person like me get boosted by my students feedback. Thanks and welcome 🙏
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Hello Sir I am From India I want to study M Tech or MS which is best for future growth bcz I belong to poor family but I manage for abroad education please give me your suggestions 🙏?
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Very good and thorough explanations with key points. even for someone like me with only high school physics background. I wished to know how DC D.C. buck converters used in electric cars worked (eg power coming back to the battery via the rectifier as a result of braking) and I got the very basic idea. Thank you.
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Your positive comments motivates me, my goal is to create largest community of engineers in entire globe, so please help me for that by sharing this lecture series(playlist) with your friends in social media (watsapp, telegram etc). Thanks and welcome 🙏
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Your Appreciations, care and share matters a lot to me. #EnginneringLove. All the subjects playlist of Engineering Funda is available in comment section. Share it with your friends to support us. Your positive comments motivates me and person like me get boosted by my students feedback. Thanks and welcome 🙏
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@@EngineeringFunda done bro i have shared your video in our whatsapp group Not only this the buck boost and the buck boost also And again whenever i need any help i seek to your channel for help Your animations are on another level which helps me understand the topic best Thanks again ✌️✌️
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At 7:28 How is output voltage = 0 during Toff? Won't the capacitor try to ensure constant voltage? And isn't the charge in the capacitor directly proportional to output voltage? At 8:24 shouldn't the waveforms for IL (off) and Id and IL(ON) and Iin be identical?
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@@EngineeringFunda sir in 7.02 you said that in Ton the output voltage is Vs. So in that time period V L = o. so there is no voltage acrooss the inductence at Ton?? why?? and also explain how ic waveform shape is generating?? in my campus theey teach us rectangular waveform for that insted traingular waveform? which one is correct?? i think the answer to 1 st one is that avg V L = 0. pls explain the capacitence current and voltage waveforms??
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dude you are correct but after applying voltage sec equation we will get vo=(dutycycle*vdc) so less than vdc value and whatever he drew in vo waveform is not correct as a result of capacitor action it will be a sinusoidal in the output dc shifted with (dutycycle*vdc). If capacitor is not there what he drew is correct but with vo=d8vdc -_- Study standard textbooks like bhimbra for deep knowledge
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Sir I am confused when the switch is OFF the VL polarity changes... In that case current director should reverse... Even if I assume current start decreasing in same direction then the Polarity of Vo will also change. Then KVL applied at 10:35 minutes is not valid. Please explain and correct me..
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hello sir, may i know the best value passive component for buck converter? is the smaller the value of the capacitor and inductor will get the best possible harmonic attenuation??
The charging of the inductor is in the magnetic field by the current flow, when the current flow changes the magnetic field decreases causing a back EMF which causes the polarity change.
You are correct, the inductor voltage does switch polarity during toff. However it is necessary to keep the same polarity to derive the correct equations.
Sir,if we talk about DC(chopper) there is no qstn about inductance and capacitance right!?? Then why the circuit consists L and C?? and there is no AC supply so there will be ripples so,Y the capacitor?
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in dc, capacitor is an open circuit. so essentially we get maximum voltage but 0 current flow as capacitor. it is a voltage storing device so that analogy makes it easier to understand i suppose :)
Sir, capacitor doesn't allow dc to flow through. Then how come your circuit diagram elaborates that it flows (during switch on mode) Kindly explain, thanks!
Mosfet is switching in a frequency On/Off Due to that That DC is not pure DC it will be fluctuating DC As shown in waveform. So it can pass from Capacitor.
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Thank you so much sir . Tomorrow is my 5th sem exam of power electronics paper .. To see your videos I clear my all doubt .. Now I think I will be pass in this paper just to see your videos. Very clear explanation Sir . Thank you so much .
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@itsSanchuu are you electrical engineer
@@Aky47407 Bsc Electronics Hons
@@Aky47407 Vivekananda College (Kolkata) . 3rd year pe huin matlab 6th semester
@@sanchu_s_diary aapka insta I'd mil sakta hai kya Ripley
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Sir really you explained well Love from Pakistan🇵🇰💟
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Well explained and you make it easy to understand, keep it on. love from Sri Lanka
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At last I understood by your video. You are doing a great job Sir, Salute from Italy 😊
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Hello Sir I am From India I want to study M Tech or MS which is best for future growth bcz I belong to poor family but I manage for abroad education please give me your suggestions 🙏?
Then tell me How inductor is changing polarity, thus inductor is not a polarized component
Thnk you sir it was good useful for my Semister exams which I'm going to write 😇
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@@EngineeringFunda aà
How to pass engineering exams
Over night study before exam in u tube 😃
very useful, understood the complete process in just one video and only by watching it once.
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thanks sir you are great you are god of electrical and electronics enginnering i watch reglarly your videoes
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@@EngineeringFundayes sir playlist is very helpul for me I can access your each and every lecture easily from there
Excellent class sir
Very useful
Worth of time
Kepp going sir
Thanq
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i'm also from surat. born and brought up in surat.
very useful video. keep going
❤😄
Your welcome 🙏
Nice sir clarity ga chaptunnaru carion go with the flow
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Very easy to understand
Thank you sir for your great work
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Very good and thorough explanations with key points. even for someone like me with only high school physics background. I wished to know how DC D.C. buck converters used in electric cars worked (eg power coming back to the battery via the rectifier as a result of braking) and I got the very basic idea. Thank you.
Glad it was helpful!
Thank u so much sir.... u are like god... 😍😍.. simply explaination superb sir... 🙏
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Very interesting video ad very helpful. Well explained
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Nyc explanation sir i understood easily
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Very good explanation.. keep it up!!
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Good video. Thank for your sharing.
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Absolutely amazing ❤🎉 thank you so much
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Tq u sir it will be more useful and easy way to learn .. 👍🙏 i m learing for exams from ur video's 🙏🙏
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Excellent sir , very understandable video
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Sir u having more teaching skills great sir 👍🙏good
Amazing explanation keep going👍
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Excellent explanation. Thank you:)
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Very useful and fully understandable, keep it on
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Very informative Thanks a lot.
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Very helpful bro keep it up
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@@EngineeringFunda done bro i have shared your video in our whatsapp group
Not only this the buck boost and the buck boost also
And again whenever i need any help i seek to your channel for help
Your animations are on another level which helps me understand the topic best
Thanks again ✌️✌️
Thank you Dholakiya sir jii 😊
Your welcome 🙏
Thank you so much sir for your video sir super explanation sir
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Explanation is excellent and it is easy to understand,thank you for providing the information sir....
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Sir you are very good a this.
Your welcome 🙏
Why output voltage is zero in Mode 2 ? It should be equal to voltage appearing across capacitor.
Amazing video
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Great explaining
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ek taraf ye sir h or ek taraf ankit goyal dono hi baap................. mera dost ka
well explained 👍
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At 7:28 How is output voltage = 0 during Toff? Won't the capacitor try to ensure constant voltage? And isn't the charge in the capacitor directly proportional to output voltage?
At 8:24 shouldn't the waveforms for IL (off) and Id and IL(ON) and Iin be identical?
Excellent explanation sir 😊
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Excellent sir ...
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Very nice explaination 👍👍
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Thank you sir, your explanation technique is excellent and very impressive👍 🙏🙏
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The capacitor is used to filter AC component at output.
Super sir ❤️it
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It is nice one good explanation...
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Informative video.
But you should also solve one or two examples related to the topic as for practice.
Great explanation sir
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Best video
Your positive comments motivates me.
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Thankyou sir❤❤❤
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Great explained 👏👏
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Nice explanation sir
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Nice 👏👏👏
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this is good. but in PE we learn some continuos conduction, discontinuous conduction. etc.. it is better if you teach those things as well 🙌
When I remake this course at that time will consider this for sure.
@@EngineeringFunda sir in 7.02 you said that in Ton the output voltage is Vs. So in that time period V L = o. so there is no voltage acrooss the inductence at Ton?? why?? and also explain how ic waveform shape is generating?? in my campus theey teach us rectangular waveform for that insted traingular waveform? which one is correct??
i think the answer to 1 st one is that avg V L = 0.
pls explain the capacitence current and voltage waveforms??
Superb lecture tan q sir
Your welcome
Nice explanation
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I am on journey Of ur lec series
i understood the concept but you have to give some examples and solve some exercise questions also.
Noted ✅
Good
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6:53 How Vo = Vs ? Isn't Vs get reduced passing through L ? so that Vo = Vs - inductor voltage ??
Nope, its perfectly correct here.
Sir please explain how ? I'm not getting it.
@@EngineeringFunda don't misguide people if you don't know. He asked the reason not your Yes/NO
dude you are correct but after applying voltage sec equation we will get vo=(dutycycle*vdc) so less than vdc value and whatever he drew in vo waveform is not correct as a result of capacitor action it will be a sinusoidal in the output dc shifted with (dutycycle*vdc). If capacitor is not there what he drew is correct but with vo=d8vdc -_- Study standard textbooks like bhimbra for deep knowledge
i believe Vo = Vin - V of the inductor. Saying Vdc = Vs is wrong
Thank you Sir
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Sir super
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Thank you
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Super sir
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🙂 we will support you sir nice explanation
Thank you sir❤️
Love and happiness of students is my ultimate goal, God bless you 🙏, keep learning and keep progressing.
Thanks sir🙂🙂🙂
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Excellent explanation. Please make a video for hysteresis band speed control of BLDC motor
Sir I am confused when the switch is OFF the VL polarity changes... In that case current director should reverse...
Even if I assume current start decreasing in same direction then the Polarity of Vo will also change. Then KVL applied at 10:35 minutes is not valid.
Please explain and correct me..
It is perfectly correct here, kindly see it properly
THANK YOUU
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hello sir, may i know the best value passive component for buck converter? is the smaller the value of the capacitor and inductor will get the best possible harmonic attenuation??
Plz don't put add so much😭😭😭
It's difficult to charge the inductor since it's capacitance value is very low. (4:00).
The charging of the inductor is in the magnetic field by the current flow, when the current flow changes the magnetic field decreases causing a back EMF which causes the polarity change.
Right.
When the chopper is off, the inductor terminals are reversed so according to KVL, shouldn't (-VL+Vo = 0)?
It is perfectly correct here
You are correct, the inductor voltage does switch polarity during toff. However it is necessary to keep the same polarity to derive the correct equations.
Why should we let the capacitor filter DC components if we want to get DC output?
Sir,if we talk about DC(chopper) there is no qstn about inductance and capacitance right!?? Then why the circuit consists L and C?? and there is no AC supply so there will be ripples so,Y the capacitor?
Tq sir 💕💕💕☺️😊😊😊
Your welcome
❤
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Thank u sir 👍
Your positive comments motivates me, Thanks and welcome 🙏
🥰🥰🥰
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Why the inductor will reverse its polarity when switch is off?
Thanks sir
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Hello sir thanks so much for this video 🙏can I ask how would one calculate the Irms at the critical inductor value?
Q-1 for buck converter prove that per unit inductor current ripple is maximum at D=0.5.....sir plz giving this answer.
Thank you bhai
If capacitor current direction is not changing in circuit then how it is becoming negative in waveform?
which converter is batter for electric vehicle?
Thank you sir
Welcome
Buck converter is also called as zero voltage switching operation it's true or false
Is buck converter and regulator same ?
If Regulator(LDO) you are taking then it is not same.
let me know that, how to get VL(ON)*T(ON)+VL(OFF)*T(OFF)=0 and how to replace at T(OFF) as (1-D)T.
Thank
(1-D)T = (1- Ton/(T))T = (T - Ton) =
Ton + Toff - Ton = Toff
Sir please while doing next sessions then please consider continuous conduction mode also
Ok
So when switch is on load will get input voltage and when switch is off load will get inductor+capacitor voltage?
correct
How come Output voltage is zero we still will have out put voltage due to the inductor right and that is why, during Toff V_L = -V_O
we want more parameters derivation like ripple in inductor current
Can you please explain the ccm and dcm?
Nice
Why reverse current Is flowing in inductor 4.47
sir please please explain sepic converter
but we get current in capacitor when we connect DC source, but here how the current is passing through capacitor?
in dc, capacitor is an open circuit. so essentially we get maximum voltage but 0 current flow as capacitor. it is a voltage storing device so that analogy makes it easier to understand i suppose :)
but the output voltage will be constant when switch is closed &open too, which is not shown in the output Vo graph
yes when switch off, V out = V inductor , isn't it.
Sir, capacitor doesn't allow dc to flow through.
Then how come your circuit diagram elaborates that it flows (during switch on mode)
Kindly explain, thanks!
Mosfet is switching in a frequency On/Off Due to that That DC is not pure DC it will be fluctuating DC As shown in waveform. So it can pass from Capacitor.