How Inverters Work – Working principle rectifier
How Inverters Work – Working principle rectifier
How inverters work. In this video we take a look at how an inverter works to convert direct current (DC) into Alternating current (AC). Inverters are used increasingly throughout industry as well as building services HVAC systems to achieve precise control of AC induction motors connected to AHU fans, compressors pumps etc. Inverters are also used within photovoltaic arrays to provide AC power for use in homes and buildings. In this video we start at the basics to understand the difference between AC and DC power and then look at a simplified example before moving onto an advanced pulse width modulation (PWM) example to see how the load experiences and AC supply from a DC source by converting the direct current into a sine wave.
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How electricity works: https://youtu.be/mc979OhitAg
Three Phase Electricity: https://youtu.be/4oRT7PoXSS0
How Inverters work: https://youtu.be/ln9VZIL8rVs
How TRANSFORMER works: https://youtu.be/UchitHGF4n8
How 3 Phase electricity works: https://youtu.be/4oRT7PoXSS0
How Induction motor works: https://youtu.be/N7TZ4gm3aUg
How water cooled chiller works Prt1 – https://youtu.be/0rzQhSXVq60
How water cooled chiller works Prt2 – https://youtu.be/3ZpE3vCjNqM
How Air cooled chiller works – https://youtu.be/0R84hLprO5s
How Absorption Chiller works – https://youtu.be/Ic5a9E2ykjo
How Heat Pump works: https://youtu.be/G53tTKoakcY
Primary & Secondary system: https://youtu.be/KU_AypZ-BnU
Fan Coil Units: https://youtu.be/MqM-U8bftCI
VAV Systems: https://youtu.be/HBmOyeWtpHg
CAV Systems: https://youtu.be/XgQ3v6lvoZQ
VRF Units: https://youtu.be/hzFOCuAho_4
HVAC Basics: https://youtu.be/klggop60vlM
Heat Exchangers: https://youtu.be/br3gkrXTmdY
Pumps: https://youtu.be/TxqPAPg4nb4
How a Chiller, Cooling Tower and Air Handling Unit work together – https://youtu.be/1cvFlBLo4u0
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#electrical #electricity #engineering
Informative, significant topic and Useful, however I don’t think he explains what the abbreviation IGBT stands for?
nice work 👍
hi i have a problem with the output of my EPEVER UPOWER inverter/charger 230v 50Hz
i correctly connected my inverter to ground but when i test with a multimeter i have 115 volts between neutral and ground also 115 volts between live and ground !!
Is it dangerous ?
what is the problem and what is the solution ?
And what about " ground neutral bount " !?
Thanks for your help
Genius.thanks so much.keep goin
Great explanation
Excellent work worth a coffee.
Nice video
A couple of minor things.
It’s important that one set of switches open before the others close. If closed before open (as narrated) then a short circuit will result and the IGBTs will disintentegrate. It’s called shoot-through.
In the 3 phase animation, the active Mosfets should swap to the other pair for the negative half cycle. 🙂
You are actually amazing at explaining this stuff. Keep up the good work!
Classic and simple.
Do you cover boat electrics?
Love this video! Thank you
Is it possible to make a vfd whre you can separately control both frequency and voltage… I mean can we randomly control the frequency and power supply at a time??
I wonder how DC motor compressor saved energy compared to conventional AC motor for compressors (air con, freezers)
With electric motors the ac courent, yes, gets peshed by the peak valley combination so indede alternating the frequency and intensity does indeed change the speed. Alternators are yes 3 phase. 4 phase was experimented with but they have been found to b ineficiant.
Man, this was awesome man…very well done. This whole series is fascinating.
Sir please make a video on transistor
excellent video, great how you explain the terms. Many Thanks
I learned nothing but feel much smarter
Thanks for making my life more beautiful and meanfull!
God bless you
A light bulb for an example of an AC load? Why not something that WILL NOT work on DC?
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Can I study. I am enginner in elictrical work shop I want to teach me some issues in some elictical cercuit by spend som.mony.
Thanks
Thank you
Thank you master
Very nice explanation. Easy to understand with animations. Thanks a lot for making a video on this topic.
Are inductors ever used to smoothen the “sharpness” of a square wave?
It is a Shame that Most USA public school systems do NOT actually Cover this at all …. Time to change the whole superstructure
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What book do you recommend to learn about electricity, grounding, why the outlet has a 0V if the current is alternating?
Nice. Thanks.
Electrical workers learn about full and half rectifiers, whereas plumbers learn about full and half rectumfires.
I am doing this at university and this video has helped me understand hours of my lectures. Thank you!
Learning a lot from your videos, Paul !
Which is the other vid that covers the igbt and mosfets etc? thanks.
Please do tutorials on those IGBT, DIODES and MOSFETS
You are awesome
Thank you so much
can a igbt make ac current to dc current ?
IGBT’S very good in VFD’S until they short. Had a 6 pak IGBT short out on a 125 HP drive after it ramped over 10 to 15% of full speed. Luckily I had cover closed on drive. Thought I was back in Viet Nam due to extra loud noise like a cannon going off followed by smoke. Found Danfoss to be the best drives along with great tech support and quick replacementn parts. Worked on. ( mostly PM’s ) on hundreds of old Danfoss VLT6000’S. Extremely easy to work on. Their replacement Danfoss FC100 & FC200 are good but a lit harder to work on. ABB are the worse. Took me 3 weeks 3 emails then a phone call to have them give me a simple answer on the DC Buss. Gave me the 5th degree. Worked on some Allen Bradley drives back in the 1980’s and they were good.
Most things in your home dont realy care if they get ac or dc.. so you dont need an Inverter to power everything in your home…. If your dc source is at the right dc level
I just fell in love
The current reverses its direction 100 or 120 times a second.
Very interesting.Thanks.
Oscilloscopes are definitely usefull. Used them for auto tech.
very informative…thank you
Why not use an inductor?
Good presentation. Now I really know how a H-Bridge really works. Building a square wave inverter is simple, but still trying to figure out the best pure sine wave inverter design from various schematics I’ve researched, including ones for varying frequency/voltage motor control, single or 3ph.
ASSOON as one of my students said there was 12o V coming out of the household outlet–they were dismissed
When people create content that shoot for this >>>>>>> Thank you from the bottom of my Heart .. You did a very good Job!!
Great learning stuff
You omitted a rather fundamental fact when explaining DC, namely that it alays flows from positive to negative.