You Didn't See This - How To Make Transformerless Transistor Controlled Adjustable AC Power Supply

You Didn't See This - How To Make Transformerless Transistor Controlled Adjustable AC Power Supply
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drive.google.com/file/d/120In...
Hello, in this video, I wanted to show you how to make a transformerless adjustable power supply. The biggest feature of this circuit is that it uses a transistor to perform the adjustment process and has an AC input and an AC output. This project is made for educational purposes. Please note that there is high voltage on the lines, and do not touch them under any circumstances. Also, if you do not have sufficient knowledge and experience, just watch and do not attempt. The biggest advantage of this project is that it has an AC input and output, as well as using very few components However, please note that the project is dangerous and requires good insulation and cooling for continuous use. Also, the person who makes and uses it is responsible for any problems that may arise.
**Thank you for watching me. To help the video reach more people, please remember to like, comment, and share it. If you haven't subscribed yet, you can support the channel by subscribing for free. Your feedback will help this video reach more people, and encourage me to find more resources to produce higher quality and new content for you Take care of yourself until we meet again in the next video and project. ***
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#altium
#zaferyildiz
#Transformerless
#powersupply
#power
#circuit

[@DMTW]

Your soldering skills and placements of components are a work of art. It looks absolutely fantastic.

[@EJEuth]

It is creative, but has some problems:
The chosen transistor breakdown voltage (Vceo) goes just to 250 Vdc max. And at 220VAC RMS the peak voltage is up to 308Vdc peak.
The Gain/HFE of that same transistor is very low (about 50). For that 70W lamp under 220VAC it needs 320 mA for full brightness. So, current at base Ib= 320/50 = 6 mA. But power dissipation of that 1KΩ and potentiometer of 1MΩ (at 50%) would be 40mW (for R=1K) and 10~20W for the Pot, so the potentiometer may fry or burn 🔥 very easily.
Probably using a Darlington stage to drive the transistor would help.
As I said, an interesting concept, being surprised that it was not burning, but to make it safe, there still a lot of work to do.

[@davey2k12]

Well said 😂

[@marcelogalvaodemoura8963]

A good Concept, to interpret the operation of electronic components.

[@samsonmbbanda6564]

Wow this is genius this save us some time looking for diacs in our are region they are kind of hard to come by.❤

[@TechnicalInstituteokara]

I AM BIG FAN OF YOU.. THANKS FOR BRILIANT IDEAS..

[@leopoldofernandezjr.508]

Nice tuturial. 👍👍

[@itsnothingbruh]

This is good bro keep it up 👍

[@mauroandrande1261]

Você é o cara gostei do circuito...

[@jozefnovak7750]

Super! Thank you very much!

[@saidwasly]

فكرة ممتازة
ربنا يبارك فيك

[@tmdatolyesi5580]

Emeğinize sağlık güzel bir proje olmuş. Fakat merak ettiğim şu lambaya veya başka bir cihaza düşük volt gönderdimizde düşük watt kadar mı yoksa gene geçecek olan yüksek değerdeki watt mı çekilecek şebekeden.yani devre normal bir dimmer gibimi çalışıyor

[@shinningraj]

Awesome!
Since you used 70w bulb as load, I would like to know Wattage handling capacity of the circuit?

[@hichamtassi1753]

Hello Zafer. Does it still be a sine wave ?

[@rc6696]

Top demais 👏🏾👏🏾

[@mdajijhossain786]

Show us output wave form and Efficiency and how much power it can handle
Advantages and disadvantage of it.

[@davey2k12]

Nah bro thats extra work for him he skips the main parts we need to see and if he did the tests he wouldn't upload such videos 😂😂😂
I think safety is more of a concern first 👍😂

[@mdajijhossain786]

@@davey2k12 Right

[@Hassen78]

think you so much sir

[@kabandajamir9844]

So nice thanks sir

[@artursmyrek7987]

Great idea 🙂 unfortunatly in europe lightbulbs are rare. Project will be usefull to decoration bulbs - the nice looking filament. However I rather use triacs to regulate power.

[@germanjohn5626]

Triacs are noisy and for many applications this is preferred. LED's work fine with this.

[@Dubai84]

Thanks

[@suskun561]

Elinize sağlık çok güzel bir proje ve çok kararlı bir çalışma prensibi olduğunu farkettim

[@FIXDIY]

Nice idea 💡

[@alexanderzohrens2945]

the transistor has only 250 V. To little for a secure operation.

[@albertofedermanneto5573]

E se montar semelhantes e usar resistores de maior dissipação e potenciometro mais forte?

[@kemalturker7287]

Zafer bey yük şebeke dalgalanmalarından etkileniyor mu?

[@ab_electric]

Great bro❤👍

[@ZAFERYILDIZ52]

Thanks my friend

[@ingussilins6330]

I think this circuit good for LED bulbs. Potenciometer need connect to base and collector circuit ( reostat mode ).

[@shafiansari5897]

Amazing amazing....... .🎉

[@ZAFERYILDIZ52]

thanks my friend

[@oyunda_3234]

Zafer abi bf494 ile ilgili bi fm alıcı yapabilirmisin?

[@user-fn6pi7by4u]

Cool my friend... Cool.

[@SRelectric]

Superb 🎉

[@ZAFERYILDIZ52]

Thanks my friend

[@bulenboncuk426]

sola doğru kısılıp sağa doğru açılması gerekmıyomu kolay gelsin emeğine sağlık 👍

[@charlesdarwin6943]

usta ampül dalgalanma yapıyor,bence ac voltaşı diyotlarla yarı doğrultuktan sonra siyotların çıkışına 220v 1000uf lik bir kondansatorle tam doğrultup çalıştırsan daha düzgün bir ışık elde edilir..

[@amirtv9153]

Only for resistive load good job

[@ayhanozsoy8772]

Şu gürültülü muzik haricinde hersey guzel

[@AhangarRashid]

How many watts maximum load can conect on it

[@yohanantalmidindeyahshuaha1721]

muy buen video educativo, solo le faltaría saber hasta que amperaje máximo se podría usar, por ejemplo con un motor de un cuarto o mas , es muy importante, ya que la red esta llena de proyectos que solo encienden lamparas o hacen funcionar una amoladora de mano o una agujereadora . no lo tomes como critica, solo analizalo. gracias por tus videos..

[@vianyzambrano235]

Sería bueno identificar los pines del transistor, es decir si es NPN o PNP o si es T1, T2 , Y GATE?????

[@user-oz4wz7wx3l]

Bom dia meu amigo, eu posso usar nesse projeto uma furadeira.

[@hollymedici2936]

can a mosfet be used in place of the transistor

[@mohitarora149]

Looks like spikes are present in the supply thats why needed that large heat sink because it is not the correct way to operate a load best you can do to put a triac and diac no need that rectifier also

[@thangtran-wp7uc]

Is the output waveform sine?? Thank you

[@mohamadalhosuinawy]

اعتقد ستكون نصف موجه ويفضل اضافة مكثف 400 فولت 10 uf بعد جسر الدايود ليكون DC ممتاز

[@bigd2208]

Circuit works well for dimming LED bulbs. I changed RP1 to 100k to give a greater range of control

[@BjornV78]

With 240V mains voltage, a 100K potentiometer will burn up in flames. The potentiometer in this circuit is connected in parallel to the full rectified mains voltage, that is arround 166V for 120V mains, and 334V for 240V mains. 334V over a 100K resistor dissipates 1,11Watt, where a normal carbon potentiometer only is rated for 1/4Watt.

[@mohamadalhosuinawy]

فكره جميله أن تأخذ من نفس المكان تيار متردد او تيار DC👍

[@ZAFERYILDIZ52]

قطعاً

[@albertochoncho5960]

No disminuye. Voltaje. Solo es la corriente. Y es mejor conocido como un dimeer

[@rebelpirategamer]

Please tell me the soldering iron you use

[@user-ox6nc6ly7f]

yep, the load can be on ac or dc side.
but not efficient, the 70W are simply shared between lamp and mosfet. less light but same power consumption.
when will see a linear switching power supply...

[@angelsmithanderson]

has puesto un bombilla de filamentos ke ejem
mas poco ecologico
pero supongo ke se
pueden poner muchas
de led salida en watios
max es ke me gustaria
saber si puedo conectar
un taladro 500w

[@adriannaharouff3016]

hey you dont see this everyday
fun video

[@baharan5425]

بسیار خوبه احسنت به شما

[@ZAFERYILDIZ52]

با تشکر

[@DavidDavid-ew9rb]

sir where to buy solder like that 🤔???

[@Lord_Silver_Br_75]

To 220vca for 90vcc?
( for amplifier áudio )

[@hassanhassan-wj9eu]

هل التيار الخارج متردد او مستمر

[@yenidenviyana4737]

Zafer elinize sağlık. Bu devreyi yapacak arkadaşlar yaparken dikkatli olsunlar. Çünkü 220v'luk bir devredir. Bu işlerden çok anlamayanlar Allah korusun çarpılabilir sıkıntı yaşayabilir.

[@ichwanwiradarma8518]

Jadi dg mengontrol tegangan atw arus pd output bridge diode yaitu arus dc, dan pd input bridge diode yaitu arus ac dengan tegangan jaringan sumber listrik yg cukup tinggi kita dpt mengatur arus pada inputnya, dari jaringan sumber listrik ya bro?!

[@DIlic-iz9tx]

_Bravo._

[@Nussof]

Much of the energy are wasted as heat on the transistor.
If all you need is to dim an incandescent bulb, the best way is to use TRIAC.

[@MuratHaluk]

zafer bey güzel çalışma herzamanki gibi.bu transistör mosfet değil sanırım .lamba harici hangi cihazlarda kullanabilir bu devre kararlı çalışması çok güzel .dimer den hassas gibi

[@DERKONIG12345]

BJT kullanmış.

[@murat-tj5hl]

😂alan etkili ben takılı kaldım bjt denince sanki transistor degilmis gibi düşünüyorum bjt sanki farkliymis😢

[@EnergiTerbarukan]

Mantap

[@TATICMOOR]

A great simple circuit, but does the heatsink need to be that big? Plus I wouldn't like to accidently touch any of the bare connects and get a zap from it.

[@kimchristensen2175]

It does... It's going to dissipate a lot of power. Not a very efficient way of building a light dimmer.

[@batacalence]

Please show us the voltage on the Mustool mt 8302!

[@batacalence]

shape of voltage !

[@leonelbortolozzo6542]

Olá está fonte tem quantos voltes

[@berndlberg1]

Die effektivste Methode, überschüssige Energie zu vernichten, statt sie einzusparen...

[@geneshpn]

This circuit is use for fan regulator...... Possible or not?

[@hessainaied9039]

انت ممتاز

[@jcolivie]

Genial...

[@familyserviceelectronic9514]

Heat disipation on transistor to make waste the energy so much

[@hasantamer9199]

Süper

[@NiceTech22]

plz upload how do you shoot your electronic projects videos. plz plz

[@RecepKlc-xj8fd]

Role kullanmadan 4saatlik zaman kontrol devresi nasıl yapılır.?

[@efecanklc6658]

17 amper lik Trafonun 220 v girisine 6 amperlik anahtar taksam yanar mı

[@bulentaydemir0496]

Zafer bey kaç watta kadar uygulanabilir birde NJW 3281 G Yerine ne kullanabiliriz

[@ZAFERYILDIZ52]

internette 250 volt ve üzeri yüksek güçlü transistörlere bakın kardeşim NPN olanların hepsi olur belki 1 k direnci artırmak gerekir o kadar .

[@bulentaydemir0496]

@@ZAFERYILDIZ52 tşk

[@sadektako2845]

LIKE .Choukrane ................/TOP .........../

[@virus-hoax]

As I boy I was shocked several times working on 110VAC circuits. Is getting shocked with 220 twice as bad? Or is it the amps that causes the pain?

[@colloidalsilverwater15ppm88]

Are you boy still? I mean, question is for that generation.....

[@harrydelange1821]

4 times because P = U square / R. Were P is power dissipation (wat you feel), U the voltage and R is you (resistance skin)

[@rigobustamante7434]

En México tenemos 120v CA que valor de resistencia tengo que poner?

[@oscarsalgado]

No creo que aumente la tension de salida ya que el puente es solamente para rectificar, entran 120 AC, salen 120 DC si no hay condensador de por medio, me imagino que en Turquia es a 240 la red domestica...Hagalo tal cual el circuito y luego mida con el multmetro

[@oscarvalenzuela262]

Ve un video en español del mismo circuito bien explicado,, el autor es Aurelio Cadenas

[@oscarsalgado]

@@oscarvalenzuela262 Paso, gracias

[@rigobustamante7434]

Gracias por la información compañeros

[@naamalwimaladasa2818]

Good

[@ZAFERYILDIZ52]

thanks my friend

[@DERKONIG12345]

Çok güzel bir kanalınız var, çok faydalı. Elektrik elektronik bölümü öğrencisiyim, bu yaptığınız çalışmaları önce ltspice gibi bir simülasyon programınfa test edip bunu da videolarınıza ekleseniz çok güzel olur, nacizhane önerim. Mesela ben sizin yaptığınız bir aşırı akım kontrol devresini o şekil simüle ettirdim.

[@DrHarryT]

Would have never though to create a Variac by variably shorting a bridge rectifier. Why don't we see this more often rather than the variable transformer or carbon pile type of Variac?

[@user-oz4wz7wx3l]

Good morning my friend, I can use a drill in this project.

[@CharaTR]

Bisey sorcam art of electronics kitabinin 3 cildi tum elektrikle alakali herseyi anlatiyormu?

[@erickguzman9519]

Amigo porque calienta al poner un foco de 60watt por 3 minutos podría poner un motor o cautín de 60w por una hora necesito respuestas gracias

[@mohamadasriabdulazid4784]

Batter to use triac. I'm not so keen to destroy a good transistor. And it is to expensive to build this, then building a triac circuit.

[@alializadeh8195]

مرسی

[@gustavomaldonado3742]

Hola , muy buen proyecto se podría usar como dimmer para el cautín ?

[@devilvortex1]

Can I drive a 500w motor with this?

[@Iamsuccesspro]

What's the duty cycle, can you show that?

[@viktormotycak1067]

Jak vypadá sinusovka co z toho leze

[@adriandanford208]

What current?

[@tarkakyldz3139]

Zafer bey güzel çalışma teşekkürler. Bir sorum olacak: çıkış voltajını sabitlersek çıkışına köprü diyot ve devamında regülatör devresi ile trafosuz güç kaynağı yapılabilir mi? Örnek LM317T gibi mesela. Elimde birkaç tane var da değerlendirmek istiyorum?

[@tarkakyldz3139]

Yahut siz uzay montaj şeklinde paylaşabilir misiniz? Çok işimize yarar 👍

[@tarkakyldz3139]

@@egg99 teşekkürler. Peki sizce max. kaç amper çıkış almak gerekir? 317'nin max 1.5A diye biliyorum. Dediğiniz gibi izole etmek sıkıntı. Arıza durumunda çıkış sıkıntılı

[@tarkakyldz3139]

@@egg99 giriş sabit çıkış ayarlı şekilde düşündüm fakat trafo veya smps devresine göre risk çok yüksek görünüyor. Çok teşekkürler 🖐️

[@AHLI_TURON]

Скажите пожалуйста такой регулятор расчитан ли регулировать балгарку, или пояльник на 100 ватт?

[@MrVadim940]

На симисторе лучше сделай,во много раз надежней и меньше греется .Схем симисторных регулятора полно.

[@AHLI_TURON]

@@MrVadim940 на BT 136 сделал, не выдержал амперов.

[@MrVadim940]

@@AHLI_TURON на 139-600,а лучше на bta140-800 нужно,и небольшой радтатор разумеется,хотябы в виде полоски металлической.

[@AHLI_TURON]

@@MrVadim940 Аха понял. Спасибо.

[@RTK_ELIOSANTANAPALMA_GIBRAN]

Bueno, lo que está haciendo es disminuir la corriente, y por consecuencia dependiendo de la carga, el voltaje cae, pero no es que regula como tal el voltaje.

[@oscarsalgado]

Pues para eso es el transistor bipolar no crees?

[@RTK_ELIOSANTANAPALMA_GIBRAN]

@@oscarsalgado Pues, lo que trato de decir que no es una fuente de voltaje, sino que es un dimmer en otras de sus tangas formas posibles.

[@oscarsalgado]

@@RTK_ELIOSANTANAPALMA_GIBRAN Asi es, jamas sera una fuente de voltaje pura pero creo que disminuye el ruido electrico y por el transistor creo que soporta 15 Amp, lo probare a ver si me regula el cautin o con un motor universal

[@edgarcordova4534]

WHAT IS THE MAXIMUM POWER CAN IT HANDLE?

[@Dubai84]

👍👍👍

[@aleksandrmatlachov3934]

УТОЧНЕНИЕ, ДЛЯ ПОТЕНЦИОМЕТРА, ИСПОЛЬЗОВАТЬ ТОЛЬКО ПЛАСТИКОВУЮ РУЧКУ.

[@oscarvalenzuela262]

What is the adventage versus a simple dimmer?

[@cowsongs]

But of what use is this? A transformer would be far smaller and more efficient, and it would generate a lot less heat than that big heat sink.

[@fatihfunda3682]

farklı yani bu transistör yerine başka ne kullanabiliriz. fiyatına baktım 200 tl den aşağı fiyat yok. bu fiyata değmez bence

[@user-nt3nv7xf6v]

С какой электротехники можно снять этот транзистор?

[@MrVadim940]

Любой высоковольтный мошный,например кт838 со строчной развертки советских телевизоров.Но вообще это хрень,намного лучше,проще и надежней регулятор на симисторе,схем полно.

[@soldervas]

@@MrVadim940, с мостом можно и на обычном тиристоре.

[@user-cy2ge7xt8b]

Tr-r 13007 ?

[@djgoondock]

E dopo 1 minuto esplode il transistor 😂

[@inventorkr1]

Like😊

[@ZAFERYILDIZ52]

Thanks my friend