Transformer Current and Power
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- Опубликовано: 27 июл 2023
- Demonstration of voltage and current ratios, and explanation of why the primary voltage increases when loads are added to the secondary.
In my "Buck-Boost Transformers" video I use the concept of relative polarity to adjust voltages up or down by connecting primary and secondary windings in either an additive (in-phase) or subtractive (out-of-phase) orientations. • Buck-Boost Transformer
In my "120/240 V In-Phase or Out-of-Phase" video I address the concept of reference and how that can appear to flip one waveform relative to another. • 120/240 V In-Phase or...
In my "Dual Voltage Windings - Part 1" video I briefly mention polarity as relates to the H1/H2/H3/H4 and X1/X2/X3/X4 labels on dual-voltage transformer leads. • Dual Voltage Windings ...
Earth calling Dave, Hello!! We are anxiously awaiting more content please..
Dear IEC, please hire this man as a teacher in the Connecticut location 😂 I’m a 3rd year apprentice and you have explained this light years more concise than my teacher. Thank you for these videos.
I'm a Third year in the Fort Worth, TX Branch of IEC and our teacher can't teach transformers either.
Im on my way to becoming a electrician and your videos are helping so much,please keep creating and uploading more.God bless.
No better explanation exists! One little thing, I think the out of phase demonstration would show additive giving you a larger potential .
Hope you're doing well Dave, your vids are amazing. please do more electrical content !
Thank you for sharing mate! Keep it going, as many (perhaps not today) will be helped by your efforts!
Also, your dry erase board hand writing...is....nothing short of remarkable.
I'm new to your channel, but this was one of the best explained videos!!!
Great job Dave. Can't wait to see the next video
Seriously my favorite channel for electrical knowledge. I am currently studying Soares book on grounding and bonding. Could you please make a video explaining the rules / reasons for how to ground a separately derived system?
These videos RULE
Thank you Dave! You're an amazing teacher.
Thank you for posting. I've learned a lot from your videos.
Thank you very much for demonstrating these concepts, it helps to solidify it in my mind lol. Thanks again and take care!
Great, Dave Gordon is back!!
Hi, thanks for this. I request you to make a next video of %impedance. Hope to see you back again 🙏
Another solid video! Could you do one explaining symmetrical components some time? I'd be interested in your explanation. Also, I work for the electricity board and we have interconnected transformers pulling -VArs as LV generation pushes power up through transformers towards HV loads. I'd also be interested in how powerflows work like this, without inverting transformers etc. Thanks and I'll look forward to the next video!
Good series.
Your explanation is awesome! Quick (academic) question. What would happen (in your 50VA rating example) if I try to draw more current than the maximum rated (on 2ndry 25 Amp) current lets say 40 amp, load (given I run appropriate wire/gauge to accommodate the 40 amp current on the 2ndary side). Since theoretically, if 2ndry draws more current, the the current in the primary also increases, so how does the rated capacity (VA) factor in this? This is a sheer academic question. Thanks.
🤩 best for practical lnowledge
Sir please post videos on regularly, these are really impressive
Dude you are the GOAT. Can you make a video on rectifiers? There is lots of info out there but not with your clarity.
Dave, always a joy watching your videos! How would you feel about using some Siemens products? Perhaps a venture into VFDs?? I work with the motion control group and would love to collaborate on content :)
Excellent
Np*Ip/Ns*Is = Ep*Ip/Es*Is
AmpereTurns_primary/AmpereTurns_secondary = VoltAmperes_primary/VoltAmperes_secondary
Ampere Turns is the unit for the magnetic field. Multiply by the magnetic permeability and it gives magnetic field in Tesla.
If you use a variable power supply with constant voltage source or constant current source, it will show the input voltage and current and you can vary things, without so much hand-waving. Also changing the frequency lets you introduce frequency dependent inductive and capacitive impedance.
Thank you!!
Dave, where you at? More knowledge please sir.
Could you do a video on conductor sizing to transformer derating for continous duty , or terminal derating etc
Thank you
thank you
🎯 ty
I will be very greatfull if i get answer to this question: can be ground fault if nutral of transformer isolated
Pls explain single phase distribution transformer earthing, neutral ground and all installation
Hello, wonderful professor, I would like to ask you a very simple request. Can you make a converter with an input? 380 Volt and output 110 volt I would be very grateful if you could teach us how to do this🌹🌹
Question that’s a little off topic…I saw a video that suggested the HV transmission lines coming into the substation primary side of the transformer were not affected by the secondary coils load. However several other videos I’ve seen suggested that increasing the load on the secondary will cause an increase on the current primary winding. Is there a way that the secondary load has no effect on the primary load of a transformer?
DAVE GORDON, You didn't mention anything about why transformers have "in rush current" when first apply voltage/current to transformers. The theory behind the transformers in rush current to go over in a lesson. Also you can do a lesson about Transformer GHOST current/voltage, what is causing the GHOST current/voltage and what is the theory behind GHOST currents and voltages?
RIGHT HAND RULE
Thumbs up
Hi Dave.. what is voltage on small appliance circuit, 120v or 240v? How do we get 1500VA?
Videos on motors please
God morning…😊
If i have 4160v primary line to line. I want to bank a transformer with 4160v primary and 240/480 v secondary . The costumer need 240 volts. What would be the connection on secondary to acquire 240 volts.. internal connection series. Cannot be parallel..
Cannot be parallel internal
where school do you instruct at?
I touched 220v line in my house and still survive. An unknown touched the street line 220v died. Why
In a nut shell. The path of the current didn't travel through your heart. And probably did through the unknown.
@@comstockallison6761 it happens everytime. Anyone who touches the street live wire dies
Why can’t I subscribe to your channel