How to Smooth a Rectified Waveform Using Capacitors

[@liamstedman7742]

Thanks Joe. I work in the railway as a dual skilled engineer. Having come from a more mechanical apprenticeship I find your videos extremely helpful.

[@JoeRobinsonTraining]

Nice to hear they're helping Liam, thanks for the feedback and stay tuned for more!

[@liamstedman7742]

@@JoeRobinsonTraining any chance of going into GTOs and IGBTs

[@JoeRobinsonTraining]

Sorry to sound dense but what do they stand for?

[@liamstedman7742]

@@JoeRobinsonTraining sorry first is a thyristor (gate turn off) and the other is insulated-gate bipolar transistor

[@JoeRobinsonTraining]

Ah! I am definitely going to be producing more videos on electronics so I'll bear it in mind. 👍🏻

[@abidobby]

Thank you so much! Couldn't find any video for smoothing. This is the best tho! Showed this video in my class, and my teacher praised it:)

[@holotape]

This was great. I understood the concept already, but seeing it in action was really helpful.

[@cahart5620]

Great to see a video first thing in the morning, never knew capacitors changed ac current into dc, nice to learn something new to help us with the exams, amazing video joe keep up all the hard work you put in to help your student!!!!!

[@JoeRobinsonTraining]

Thanks for the feedback Callum, you're half right about capacitors, watch the previous video on rectification followed by this one and you'll see how we change AC to DC and what the capacitors do!

[@cahart5620]

Joe Robinson Training okay I’ll watch that now thanks for all the help

[@GSHElectrical]

Anther great video Joe 👍

[@JoeRobinsonTraining]

Cheers Gaz #teamelectrical

[@AffordBindEquipment]

Exactly what I needed! I have an LED lamp I use for turning wood bowls and the strobe effect is terrible. Will add huge cap to the minuscule power supply and hopefully that will take care of it.

[@davidroche6973]

Great video, very much enjoying the technical content and practical demonstrations to help me better understand 👍

[@JoeRobinsonTraining]

Good stuff David, stay tuned for more!

[@dragan3290]

A video on power factor improvement would be great 👍 subbed and liked.

[@shiray9903]

These videos are incredibly helpful, thank you so much for your help!

[@Ressy66]

Nice vid Joe, hope you show the learners how to reduce the 240v down to say 12v with transformers

[@JoeRobinsonTraining]

Thanks very much, there'll definitely be some information coming about transformers. Stay tuned for more!

[@richardwash6678]

Very interesting and great explanation.👍

[@JoeRobinsonTraining]

Thanks Richard, much appreciated.

[@matthaddock6490]

Brilliant video

[@JoeRobinsonTraining]

Cheers Matt!

[@luismorelli3943]

Great video once again👍🏼😆

[@JoeRobinsonTraining]

Thanks for the feedback Luis!

[@kaushalbharadwaj311]

Great demonstration and explanation sir, I have a doubt, why current discharges slowly from the capacitor when current drops in the input? I mean what role does the capacitor play in order to slow the current or to decrease the amplitude of the wave form

[@user-qr4jf4tv2x]

Amazing demonstration board

[@connordickens2617]

Nice video👍👍

[@georgereynolds124]

Very interesting and helpful 👍🏼

[@JoeRobinsonTraining]

Thank you George!

[@johneneojowilliams5081]

Hello great video... Am wondering if you could do a reverse of DC to AC and how the capacitor helps to achieve pure sine wave e.g in inverter circuit

[@maxamps45]

is it okay to go overboard with Capacitor's capacity like installing 56V 22,000 µF capacitor to smooth out 30V 80Amps rectified current? because its the only capacitor I have lying around.

[@edlujan]

Great video. Is that test setup something you made?

[@leogiri2863]

great video! i just have a dumb question: if i used this circuit to smooth out occasional drops would this still work?

[@arivnidunami3047]

So, what is the value for smoothest capacitor in this circuit?

[@RixtronixLAB]

It's 1000 uF @3:12

[@ahmadjod1726]

God bless you, my friend . How do we determine the value of the smoothing capacitor suitable for the circuit !! ?? For example, I have a small circuit for determining the water level in the tank. It works on a 9V battery, but I turned it on AC 220V with a 9V transformer and put a standardization bridge (4 diodes IN4001) and a 100 mF capacitor 16V (I chose it randomly) After standardization with my hands a voltage of about 24 volts ..!! How do I choose a suitable capacitor for smoothing !! ?? best regards

[@derekshot5375]

i have always suspected that this would work to prevent led x-mas lights from strobing at 60 htz. now i wonder if mw lights even have a rectifier in them or are they just off for 50%of the time. and if i add a compositor would they over heat?

[@SanathdharmapriyaLokuArachchig]

How to calculate the smoothing capacitors

[@dsesuk]

We used to have those green plug-in boards at school in the 1980's. It was good solid stuff; are they still actively used in education or is this from your appreciation of retro kit? The naughty kids used to delight in plugging the 3.5V MES lamp directly into the 12V bench supply to fry the filament. I imagine the school lab tech spent many an unhappy hour re-lamping the things before the next lesson!

[@JoeRobinsonTraining]

I believe they're more popular than ever David, I love them because it helps you visualise the stuff you can't normally see! Matrix (the company who makes the locktronics kits) are always developing new kits, they've got what looks like a new kit for motors coming out soon. And I may have popped a couple of lamps myself in my school days. 😬

[@dsesuk]

@@JoeRobinsonTraining Locktronics! Yes, that name rings a bell. Agreed, it's great for students to quickly see how electronics can be clonked together to form working circuits. I'm glad to hear they're still in classroom use!

[@westbay5858]

Any recommendations of a beginner scope to see wave form?

[@westbay5858]

Is it only capacitors that smooth DC current. Do resistors smooth while dropping current? I thought I heard the term " smoothing resistor"?

[@kokomelon3807]

hey I like your device, what's that called? It's like a breadboard with built in components

[@vievlogs589]

What happened to Gaz from GSH Electrical....? ⭐️⭐️⭐️⭐️⭐️

[@maulanawahyudi7127]

Nice vidio, but how we can determine our capacitance / farad in capacitor ? For our circuit Thank you

[@JoeRobinsonTraining]

Stay tuned for future videos,

[@NabeelKhan-jt1vt]

Good video but please show some calculations too for choosing proper capacitor .. I made a transformer of secondary output 33v 6A when i add capacitor of 63v 6600uf the voltage leads from 33 to around 42v

[@theprepperfrog167]

Thank you, sir.

[@landroveraddict2457]

Hi I am a first time viewer and new subscriber. I have just purchased a DPS 5020 and would like to power it from a salvaged 48v transformer. The transformer which came out of a night club and was powering 40 30w pins pots. I want to smooth the rectified waveform and raise the DC voltage to above 50V and provide as smooth waveform as possible as a supply to the DPS 5020. I just don't know how to do the calculation to determine the value of the capacitor. Any advice please? Thank you

[@randallmarsh446]

How many volts were you smoothing outwwith the caps?

[@P.A.T.]

Hello, what's the name of the board that you are using? Thank you!

[@robhobbo8669]

Could a really big capacitor smooth the output of a solar panel? I'm not talking about a huge system. just maybe one solar panel and a micro inverter.

[@bob2161]

So, what was the value of the last capacitor? That's what I want my converter output to look like.

[@seckinseckin3919]

I also want to see how coils behave with oscilloscope in this board. Harmonies, low frequency coils and high frequency coils.. Can you also explain primary filter coils and secondary filter coils with oscilloscope view in this board ?? Thanx

[@chuckiecage]

What video explains the brightening of the light bulb and it's relationship to RMS

[@sophocha]

I was just wondering. I have a 5v UPS (uninterrupted power supply) for my router. I can unplug and plug the power cable just fine on my router when the power socket on/off switch is on the ON position ( UK power socket with an on/off switch) but as soon as I put the power socket switch to OFF position and I plug the power to the router it restarts. I tried to add a huge capacitor on the UPS but it still interrupts power. Is there a solution to this?

[@viswanathancr349]

good video

[@JoeRobinsonTraining]

Thank you.

[@coolhots]

Really neat! And awesome demonstration setup. Much more viewer friendly than a breadboard. 😂 Keep it up! 😊

[@JoeRobinsonTraining]

Thanks very much, I will!

[@RixtronixLAB]

Nice video :) thanks :)

[@craigemmott4976]

👍🏻

[@JoeRobinsonTraining]

Thanks Craig.

[@JoeRobinsonTraining]

Thanks Craig!

[@furigare]

What is this green board-kit called?

[@JoeRobinsonTraining]

It's made by Matrix TSL. Check out their website www.matrixtsl.com/locktronics/

[@furigare]

@@JoeRobinsonTraining Thanks for the reply :) I'll check it out

[@demil3618]

So I tried to smoothen the output of a 12V car batter charger (which I used as suppl for a 12v-5V voltage conversion). Result: 12v became 17v. Why?

[@JoeRobinsonTraining]

A car battery should already be a fairly smooth DC supply. Why were you trying to smooth it?

[@demil3618]

I just used the charger, no battery connected. I wanted to convert it down to 5v but the LM317 would heat up up some 55° (despite it just being 0.6A). And the LED of the charger is slightly flickering. So I assumed this is the problem (there are capacitors between output-GND and input-GND on the LM317).

[@harhar4607]

👍👍

[@sanjursan]

Your Hameg can't trigger that?

[@religiousblackman697]

What’s the name of the intro

[@JoeRobinsonTraining]

It's called Black House it's a piece of music on the KineMaster app I use for editing.

[@ronnierustia6879]

nice !

[@najwansyarif465]

☺️👍

[@IIIIRokzIIII]

Zero calculations shown...dissappointing.

[@JoeRobinsonTraining]

No calculations were promised, the video explains the principle. Thanks for watching.

[@IIIIRokzIIII]

@@JoeRobinsonTraining All good, was a good video but is very basic and doesnt help those wanting to know how to choose cap size.

[@JoeRobinsonTraining]

It's aimed at electricians rather than electronic engineers, I may do a video in the future on sizing the capacitor... 🤔

[@IIIIRokzIIII]

@@JoeRobinsonTraining Ahh, I see. Would be a good opportunity for a video on that as there is a lot of inconsistencies on what is currently available.

[@JoeRobinsonTraining]

I'll add it to my to do list. 👍

[@svsarrangers2517]

Bro use capacitor before the diodes

[@flarosantana6330]

What?

[@TheAmazingAdventuresOfMiles]

The capacitor needs DC.