Two Transistor Analogy of SCR in Power Electronics by Engineering Funda

[@EngineeringFunda]

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[@giteshkolte9277]

Tomorrow is my exam of PE. ALL IM GOING TO DO IS JUST REFERING YOUR VIDEOS 😂😂😂😂. U r the best sir!

[@architaarchita2232]

and day after tomorrow is my exam of PE

[@giteshkolte9277]

@@architaarchita2232 you replied after two year. Amazing!! 😂😂 I am done with my Engineering last year. 2021 passout.

[@architaarchita2232]

@@giteshkolte9277 i will be done with my engg this year :)

[@giteshkolte9277]

@@architaarchita2232 many congratulations.. 😀😀

[@AMITKUMAR-lq6cx]

Hahaha And i have my exam tomorrow And i have to spend 2 more yrs to complete engineering

[@GAJENDRA.MENARIYA]

I've prepared a lot from books & notes but for the easy understanding, I'm here😊 I'm in electrical engineering UG 3rd year,Thanks a lot GURUDEV😊🙏

[@EngineeringFunda]

Your Appreciations, care and share matters a lot to me. #EnginneringLove. Let me give the details of few exciting features of Engineering Funda: 1. A link to more than 30 Courses is given in the Comment Section. 2. Detailed Syllabus of the subject along with chapters is given in the description of videos.

[@soumyasureshkumar123]

Every day I watch your videos and my respect for you keeps on increasing. Very simple explanation. Thank you!

[@EngineeringFunda]

Your positive comments motivates me, Thanks and welcome 🙏

[@vivekanandareddy6206]

Loving power electronics because of Ur explanation sir. Thank u

[@EngineeringFunda]

Hope that happens with all my dear students and faculty friends

[@satishmaradana9108]

Engineering Funda sir can you add thyristor ratings and measurement of thyristor rating videos

[@knowledgesnack1160]

Your presentation was so nice..One small clarification I'll give for the viewers those who got confused. At 22:01 it was mispelled that " as width increases".. Actually alpha1 increases as width decreases because of increase in gate current..

[@santhoshKumar-nw2om]

He told previously that alpha is inversely proportional to base width. But as gate current increases depletion region width should decrease and base width should increase and then alpha should decrease. But he is saying alpha increases how?

[@santhoshKumar-nw2om]

So first we have to get clarification that alpha is directly proportional to base width or inversely proportional to base width? If u observe the video clearly he first told apha is directly proportional to base width and then he striken that and said alpha is inversily proportional to base width

[@yomanthunder]

It is simple bro he is wrong here

[@madhur8046]

Sir pure sem kuch padhai ni kri thi power electronics m but apki video s teen din notes bnaye the or pura paper apke notes k according aaya . Bhut bhut sukriya aapka 💯😄

[@EngineeringFunda]

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[@EngineeringFunda]

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[@vanga_motivate_Avom]

Very clear and very useful to students.thanku so much sir . awaiting for more videos

[@EngineeringFunda]

Your welcome

[@442kallurisravya4]

Really excellent explanation sir. The way you teach is really awesome sir. Now I understood this topic clearly .

[@EngineeringFunda]

Your positive comments motivates me, Thanks and welcome 🙏

[@nagasaipavankumarchintakri2420]

Nice lecture That is very easy to understand the topic Thank u sir,,,,

[@manjeshk349]

thank you for the wonderfull explanation, sir, expecting more videos for EEE students.

[@EngineeringFunda]

Love and happiness of students is my ultimate goal, God bless you 🙏, keep learning and keep progressing.

[@strengthenmyself7492]

Clear explanation ✨

[@EngineeringFunda]

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 🙏

[@sukhendrasoni5619]

Thank so much sir Today I got initial information about it

[@EngineeringFunda]

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[@rinkubiswo1921]

Outstanding sir 👌👍

[@EngineeringFunda]

Your positive comments motivates me, Thanks and welcome 🙏

[@ashwithballal3254]

Thank you sir for sharing your knowledge

[@EngineeringFunda]

Your positive comments motivates me. Teachers like me just wants positive comment from student. Love from you guys means a lot to me. My goal is to create largest community of engineers in entire globe. Please help me by sharing this playlist with your friends.

[@rajveersingh.1999]

Lecture was amazing ,it's realy understood

[@happy0107s]

You have explained very well sir... It's very much interesting....

[@EngineeringFunda]

Your positive comments motivates me, Thanks and welcome 🙏

[@dev250590]

This is the best video by you. Thnks.

[@viveklal3279]

Thank you so much sir :) Excellent explanation. Very helpful.

[@EngineeringFunda]

vivek lal your welcome

[@piyushyede5662]

Wonderful explanation . Thank u so much sir I understand it very clearly . I liked the way u explained .

[@rockyff8223]

Nice explanation sir ...we had understand clearly

[@EngineeringFunda]

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 🙏

[@deare-sports9584]

Best and simple explanation tnx sir ji

[@EngineeringFunda]

Your welcome 🙏

[@aishwaryaviraktamath7165]

Super!!!!! I like it From Karnataka

[@basavkiranhonnalli5144]

Aishwarya Viraktamath super mags

[@basavkiranhonnalli5144]

Aishwarya Viraktamath Mags 4 layer junction device andra yeno😁😁😁😁

[@ehushubhamgaming3129]

Best sir for this topic

[@EngineeringFunda]

Love and happiness of students is my ultimate goal, God bless you 🙏, keep learning and keep progressing.

[@shivamkumar-qt1mg]

Thanks sir you will make easy for examination question

[@EngineeringFunda]

Love and happiness of students is my ultimate goal, God bless you 🙏, keep learning and keep progressing.

[@Handwrittenotes2064]

very good information thankss sir

[@EngineeringFunda]

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 🙏

[@amruthavalliswari838]

I was following your videos for this entire power electronics. But my sincere request to you sir please make a folder of all your pe videos like other subjects in your playlist

[@EngineeringFunda]

I have already made, you can easily use it from my android application engineering funda

[@powerelectronicsbyprof.jbj9245]

Nice video @​

[@EngineeringFunda]

Your welcome 🙏

[@ankitkumar-cl8rf]

Your lectures are really very helpful

[@sandeepshakya9596]

Thank u for fantastic video

[@EngineeringFunda]

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 🙏

[@dineshmondal9102]

Awesome explanation ❤

[@EngineeringFunda]

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[@dineshmondal9102]

@@EngineeringFunda Sure sir

[@capitalkathmandu417]

Very well explained.....thanks

[@SSK077]

Thank you very much sir....... ❤️❤️

[@EngineeringFunda]

Your positive comments motivates me. Teachers like me just wants positive comment from student. Love from you guys means a lot to me. My goal is to create largest community of engineers in entire globe. Please help me by sharing this playlist with your friends.

[@khimabindu2739]

TQ so much sir I learnt lot

[@EngineeringFunda]

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[@yamunakata967]

excellent and understanding lectures super sir

[@rinki362]

Very well explained thanks

[@pranjalinimje6127]

Very best video easy to understand 😃thank you so much

[@bhuali5505]

It's helps lots for making notes.. Thank u sir for ..

[@humanbeing3623]

Well explained Sir👌

[@P3RYYY]

Thank you so much sir i really respect that🙌🏻

[@EngineeringFunda]

Your positive comments motivates me. Teachers like me just wants positive comment from student. Love from you guys means a lot to me. My goal is to create largest community of engineers in entire globe. Please help me by sharing this playlist with your friends.

[@yashwanthgowda170]

Thanks For This Vedio.... It Very Helps Me

[@EngineeringFunda]

Your positive comments motivates me, Thanks and welcome 🙏

[@aritra_hazra]

22:20 be sure if increase in junction width causes increase in alpha or not.. previously at 21:12 you said it will decrease

[@oneIT-69]

surely with increase in width of base the current gain value will decrease

[@AqibKhan-th4cw]

so common base current gain increases with depletion width? or not?

[@souvickde4795]

@@dewadattaa268 yes. You are right. I'm also facing a confusion about this. After your explanation i check this again and it is cleared now. Thank you dear friend.

[@RoxyRedo]

Yes. I tooi thought so... it should decrease actually

[@ruagam]

Explanation from the instructor was very confusing. When positive gate pulse is applied then junction J2 will be forward bias i.e. depletion width across J2 decrease and most of the majority carriers can flow due to forward biasing which result in increase in alpha.

[@Narutouzumaki-og3gj]

Nice explanation

[@EngineeringFunda]

Your welcome

[@shaguftashaik8807]

Tq ....clear explanation

[@EngineeringFunda]

Your positive comments motivates me. Teachers like me just wants positive comment from student. Love from you guys means a lot to me. My goal is to create largest community of engineers in entire globe. Please help me by sharing this playlist with your friends.

[@Jaai-Shree-Ram]

Nice video

[@EngineeringFunda]

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 🙏

[@varunsrivastava]

The position of this video in the playlist is misplace. It should be at 6, instead of 9 (current position). Changing it to correct order will be very helpful!

[@souvickde4795]

Yes. You are right my friend.

[@brajmohansingh7860]

Wonderful explanation sir

[@sagarroy1751]

Lovely sir❤️

[@EngineeringFunda]

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 🙏

[@abhishekranjan5224]

Thank u sir... 😊

[@EngineeringFunda]

Your positive comments motivates me. Teachers like me just wants positive comment from student. Love from you guys means a lot to me. My goal is to create largest community of engineers in entire globe. Please help me by sharing this playlist with your friends.

[@Crusader2]

awesome lectures sir,but we will be glad if u taught switching charchateristics of every device

[@blakshmipriya2853]

Thanks a lot sir...

[@EngineeringFunda]

Your positive comments motivates me, Thanks and welcome 🙏

[@RaviKumar-xn7gy]

Thank you so much sur

[@EngineeringFunda]

Your welcome 🙏

[@sinanartemis6176]

Thank you for your videos they are really great to understand .I wanna offer one important thing to you. Is it possible to make real circuit up to start to the end? Yes we learn basics but for example if you draw an induction circuit and explain all components why they are use?how circuit works they can be great.thank you

[@EngineeringFunda]

Yeah, it gives better understanding, but to make videos with circuit i need lab which i dont have at my home. But surely I will definitely try to make it in these ways. Thanks for your valuable inputs.

[@ashwanni99]

great sir

[@ozonewagle]

Sir you told as junction width increase alpha will be less , and again you told on increasing (Ig) junction width increases, which will result in increase of alpha 1 and alpha 2. I am confused.

[@savitrim9348]

Super sir

[@EngineeringFunda]

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 🙏

[@savitrim9348]

Sure sir

[@zezo2895]

Thank you sir❤

[@EngineeringFunda]

Your Appreciations, care and share matters a lot to me. #EnginneringLove. Let me give the details of few exiting features of Engineering Funda: 1. A link to more than 30 Courses is given in the Comment Section. 2. Detailed Syllabus of the subject along with chapters is given in the description of videos.

[@natureofearth9876]

Thank you ❣️

[@EngineeringFunda]

Your positive comments motivates me. Teachers like me just wants positive comment from student. Love from you guys means a lot to me. My goal is to create largest community of engineers in entire globe. Please help me by sharing this playlist with your friends.

[@pushyourlimits8368]

Thank you so much sir .

[@theunusualgyan9940]

Sir Plz make videos on other subjects like production process

[@IA-te2oh]

Thanku sir....very well xplained....but i have doubt that if alpha 1 + alpha 2 is >1 then NEGATIVE Ia comes there....plz xplain that

[@EngineeringFunda]

It can't be that. You will be taking alfa1 + alfa2 near to one, you shouldn't take greater then one. Else some other things will happen here.

[@IA-te2oh]

Engineering Funda what r those other things??

[@Satishkoratkar]

Salute sir👌👌👌👌

[@sohammhatre2124]

Width of depletion layer is directly proportional to alpha or inversely proportional?

[@siddhantdixit3919]

Inversely

[@-ec-Lalithadevi]

Sir if we increase gate current...I think the depletion region at J2 should decrease(as to trigger the scr, we are applying positive gate pulse, so it reduces voltage drop at J2 and depletion region decreases) as depletion region is less at j2, penetration of depletion region into base also not high..then how width of base decreases🙄

[@somasekhargoud8342]

Thank you sir

[@talhalaiq6452]

grt vedio..

[@yedhukrishnan4253]

Thank you

[@EngineeringFunda]

Your positive comments motivates me. Teachers like me just wants positive comment from student. Love from you guys means a lot to me. My goal is to create largest community of engineers in entire globe. Please help me by sharing this playlist with your friends.

[@MATHEMATICSBYNITianHimanshu]

nice. lecture

[@biplab_sinha_77]

Thanks sir ..

[@nandanofficial8588]

Super sir ji

[@mohammadhanan007]

Sir.... Lecture was awsnm ..bt can uh plzz deliver lecture fast.... i seriously yawned many tyms during video

[@EngineeringFunda]

Many says that ... Please go slow

[@pushyourlimits8368]

U can increase the playback speed...

[@bangargaurav1636]

@@pushyourlimits8368 yes I watched it at 1.5x speed and still able to understand

[@rajeshinumarthi3333]

Sir I can't understand at 15:50 time. how it change like (1-(alpha1+alpha2)) plz tell me

[@kalyanidevaraju1369]

RAJESH INUMARTHI there we got an equation as Ia=alpha1(Ia)+alpha2(Ia+Ig)+Ico1+Ico2 right now separate all Ia related terms to left side of the equation we get step1: Ia-alpha1(Ia)-alpha2(Ia+Ig)=Ico1+Ico2 step2: Ia-alpha1(Ia)-alpha2(Ia)-alpha2(Ig)=Ico1+Ico2 move alpha 2 term towards right side then we get step3: Ia-alpha1(Ia)-alpha2(Ia)=Ico1+Ico2+alpha2(Ig) now take Ia as common on right side we get step4: Ia(1-alpha1-alpha2)=Ico1+Ico2+alpha2(Ig) we can also write it by taking negative as common from alpha 1 and alpha 2 as step5:Ia(1-(alpha1+alpha2))=Ico1+Ico2+alpha2(Ig) step6:Ia=Ico1+Ico2+alpha2(Ig)/(1-(alpha1+alpha2)) so finally in this way we get ur solution as (1-(alpha1+alpha2))

[@humanbeing3623]

@@kalyanidevaraju1369 Lol, he is just joking.

[@kumarraj731]

Excellent,but sir I can't understand y the values of alpha are increasing with the decrease of base width Decreasing of base width=increasing in deplesion region Is that right?

[@kumarraj731]

What is the difference between junction width and deplesion region width?both are not same?mm

[@EngineeringFunda]

+Kumar Raj : decrease in base width will result into decrease in deplition region

[@kumarraj731]

Then please play the video from21.35onwards.

[@ashes2776]

yes have mentioned in video as deplition layer increases width decreases

[@shubhamjha1009]

Sir in btw u said junction width increased will decrease current gain but at last u change it

[@muskanjain2732]

Exactly....this sudden change at the end was unexpected...rest was very good

[@vijaykodwani5503]

Sir , quality of lecture is good... But there are lots of ads in between that distract from the topic. Hope you add those ads at the start.

[@rakeshverma4579]

Nice

[@shramantayade3136]

❤❤❤

[@EngineeringFunda]

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 🙏

[@adkstudios]

Good good

[@jashanveersingh2353]

Error in 22:03 , as ig increases, width decreases, so value of alpha increases

[@kakalidutta8888]

is it helpful for gate concepts as well?

[@adisuteshale6367]

Thank you for your nice lectures. what kind of books (pdf materials) you refers (recommend) thank you

[@EngineeringFunda]

Soo many books. Like bhimrao, khanchandani, some power electronics handbooks

[@yashshah17]

Sir can you please provide the order in which I must watch all videos so that I can have the correct link

[@EngineeringFunda]

Go to my channel: Go in playlist: Open power electronics playlist: Now you see everything in order

[@galavbhatt7839]

You are literally confused while explaining base width and aplha relation. Please someone give me direct Clear ans

[@amitghosh3938]

If you know now, please explain it to me

[@rohitsharma-pi9hp]

Sir How alpha1+alpha2 increases with increase in IG

[@gamingwithasr9333]

Decreeing in base width

[@reshmaaeie-4132]

When we increasing gate current depletion layer is decreasing that's mean width of base is increasing so, alpha is decreasing. Sir how it possible alpha is increasing with increase of gate current? Please help me to clear this doubt sir.

[@palasaiteja3324]

Op sir .!!:)

[@praksii3680]

Thank you so much !!!! 🧡🧡🧡🧡

[@writtiknath2226]

Beautiful

[@DK-pk9wo]

There is confusion between depletion layer and width. Are you talking about region width which is apart from depletion layer.As I know if depletion layer increase width of region will decrease and vice-versa.

[@arunkumararun1517]

Sir What is common current gain? If gate pulse (current) given scr is on If input voltage exceeds the breakdown voltage than scr on I don't know how scr is on if anode current is increasing Please answer to my question

[@EngineeringFunda]

ON means anode current will increase.

[@MuhammadBilal-fs6tc]

As you said depletion region increase then Alpha decrease how how IG can increase the alphas values??

[@devilraj7285]

Tq sir

[@EngineeringFunda]

Your positive comments motivates me. Teachers like me just wants positive comment from student. Love from you guys means a lot to me. My goal is to create largest community of engineers in entire globe. Please help me by sharing this playlist with your friends.

[@shaikabdulgafhar3195]

thank u sir

[@engineeringcontent-z9k]

At 9:41 Sir why you add Ic01 and Ic02

[@thamizhnenjan5979]

thanks

[@EngineeringFunda]

Your positive comments motivates me. Teachers like me just wants positive comment from student. Love from you guys means a lot to me. My goal is to create largest community of engineers in entire globe. Please help me by sharing this playlist with your friends.

[@ultranewbie]

hello sir, if we are increasing the Ig (gate current) , don't you think that will increase the recombination and decrease the depletion region and decrease the Alpha ? thanks for the help

[@EngineeringFunda]

Nope

[@sampurnoghoshal20]

If depletion region decreases then more current will move from emitter to collector so, Ic/Ie will increase and alpha will increase

[@sachindas4351]

Having doubt in relation between base width and common base current gain ?

[@arunmathew8057]

Sir, is scr and thyristor are same

[@nrj3193]

👍