Learn the Basics of a 3 Phase Rectifier

In this video, we're going to learn the basics of a 3 Phase Rectifier. This rectifier is used in power supplies and can be a major part of your electrical engineering education.

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[EngineeringMindset]

*These videos take a long time to make* if you would like to buy Paul a coffee to say thanks, link below: ☕

[stefangrunspan]

I’m just angry I had to learn this 30 years ago from a frustrated professor pointing at non-animated circuit diagram saying, “see it’s goes like this, then like this, then like that. Everyone understand? Good. Moving on.” This explanation along with the animation is fantastic.

[JunWu]

I am grateful that you take the time to thoroughly illustrate and explain electrical concepts. It has helped me be a better Electrical Engineer. Also this is great study material for the PE Power Exam. Thank you for being a great teacher!

[beebalahori]

Thank you for always showing us the right way with your attention to detail. 👍

[damonhill]

My brother-in-law snagged a solid state three-phase inverter for use on his Bridgeport vertical mill, I helped install it and got to run it for some simple jobs. Works >really< well, especially the variable frequency output, and replaced a clunky old rotary converter that generated a pseudo three phase. I like that a full-wave three phase rectifier generates a ripple that's three times higher in frequency and thus makes filtering a lot more effective (not that I'll ever convert my amplifiers to three phase, but...). Your explanation of the switching action clarifies the complexity of the action that makes three phase so elegant in use.

[ruzzodac]

I was once inside a 100, 000A, 100Vdc, the bus bars inside were liquid cooled and the main bus bar was 2mx2m of pure aluminum, that weighed about one tonne for every 3m length. Input was 300, 000V AC 3 phase.

[tomg]

Great visual description of this topic. Thamks

[dvnoytekvlog]

Thank you for sharing and knowledge 🙏👍..

[hansdoel]

If you ever want to home school your kids this would be a great way to unlock there "engineering mindset" luv these vids

[bah]

Thank you. I have wired many VFDs over the years and knew what they did but not how. When I started over 30 years ago there was a DC motors still around. First one I saw was very odd. 2 small wires and 2 large wires.

[joemay]

Great video, and excellently done very informative, a motorcycle I'm working on the stator has this setup to convert ac to smooth flow of dc.

[tinytonymaloney]

Having never given any thought to this, I honestly had no idea you could put a rectifier across 400v.
Well explained, good video, love the graphics.

[lovrorb]

Nice!

Some ideas for next videos:
- Precharge circuit
- More detailed PWM 6x control
- Fireboard and criticallity of preventing DC short on inverter side

[UNKNOWNPERSON-kkkd]

Nothing explains better than a good animation.

[toddfisher]

Thanks I bought a motor recently with 3 wires and the controller board is delayed - I think with this I can build a custom controller board for testing while I wait thank you!

[RangieNZ]

Can you put an inductor and/or capacitor on the output, to make it less choppy and more sine-like?

[seankennedy]

Is there any chance you could do a video on harmonics?

[Locomotivesofindia]

Please do videos on Thyristor based Rectifiers

[daviddepaoli]

Nice job I also have a tech question that seems perfect for this video. I have a ceiling fan with three different speeds plus reverse switch six lights that are with ballast, replaced bulbs, worked for a few seconds fluorescent bulbs with rectifiers connected to a switch with a dimmer slide on it. It is also over 20 years old fire covered in dust and cigarette tar and nicotine could use an assist power on no light no fan in power switch on no blown fire circuit breaker
In a while and I’m actually recovering from my black Friday, shopping brain surgery a year ago. Thank you for your time.

[Clark-Mills]

2:28 I think the capacitor (negative stripe down) is wired backwards to the rectifying diodes (negative stipe up).