Why are transformers used?
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- Опубліковано 30 жов 2022
- Why are transformers used, what do we use transformers for? we answer these questions in this video on transformers in electrical engineering
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To think that in order for me to watch this video, various transformers had to do exactly this kind of things is just wild
Higher voltage equates to more Watts on/from the same size conductor.
I took your previous course. Thank you.
Again, brilliant presentation.
Very good and concise video. 👍 As an electrician I will be sending new apprentices to this video and your channel in general.
The Transformers: More Than Meets the Eye
Transformers
Robots in disguise
For transforming one voltage into another. Either up or down.
In my country the philippines,,the voltages sometimes 230-250v ac...
What's the difference between a Step up Transformer and a step down transformer? Does it just matter on how you hook up to it? Like if I hook it up in this direction it steps up, but if I hook it up in this direction it steps down.
It depends on the conversion ratio. If it is going from 1 to 2 in a 1:2 conversion ratio. It is a step up transformer. For instance, you connect 1 voltage input to the side that has the 1 ratio, you will product 2 voltage output at the other end since the conversion ratio is 1:2. Whenever you increase the voltage by a certain magnitude, it is a step up transformer and vice versa. In short transformer is defined by the ratio between its input and output voltage.
Amazing video. Thanks!!
Great explanation!
So wait. In theory, with thin enough wire in an inert gas, couldn't you amplify a TINY voltage into a HUGE one? Genuinely curious if that would even chamge anything or what would happen
Not sure everybody gets the point. Because P=I^2*R then by increasing voltage 10× you decrease current 10× and decrease losses 100×. Now, instead of 10× and 100× we are using something like 1000× and 1000000× respectively in case of 400kV and 0.4kV (380V three phase in Europe).
Love u sir well explained .
Very nice explanation. These basics are amazing!
Hey, why is Power loss = Current ^2 x Resistance ?
The power consumed is also equal to v²/R. In that case for 40,000volt the energy dissipiated would be higher than that at 230v. Isnt it?? Please make me clear on this.
When you use V²/R, you use the difference in voltage between the ends of the line (voltage drop) as V. But, there is pretty much no voltage drop across the line. It's 400.000 on both sides, so pretty much no difference, therefore V is very very low.
Hope this makes it clear.
Good question.
Next please put the ac to dc rectifier in center taped transformer and non center taped transformer
Please a darkness sensor
A transformer to electrical is the exact same as a transmission to mechanical. It changes the voltage / current - rpm / torque ratio.
See our new video on how to build mechanical versions of electronic circuits? Watch here: ua-cam.com/video/Zv9Q7ih48Uc/v-deo.html
To defeat the decepticon
Tnx..boss
I m n electrician, I like it
Why didn't current increases with increase in voltage 🤔
Because if you use a higher voltage transformer (at both sides of the transmission line), the impedance of the primary coil also becomes higher, limiting the current even though the voltage is increased. However, impedance does not waste energy like resistance does, so therefore the total efficiency is increased.
Hope this makes it clear.
Good question by the way.
Could you relate this to three phase voltage sources and loads?
Also, the cost of materials between using 3 line vs two line phase and loads.
@@ftscotttinez33 North America had electrification (AC current) before the remainder of the world. Therefore the LATE ARRIVALS improved upon
that system. Electing to use either 230/240 volt systems for all household uses.
3 phase you add route means square, or root3. Which is about 1.732. 30 000 watts at 240V is 125A single phase. 30 000 watts at 208V 3phase is 83A. Even though the voltage is slightly less a 3phase system will still draw much less current for the same load, increasing efficiency.
@@tedlahm5740 North America uses what is known as "split-phase". As in it is only 1 240V phase but the neutral is tapped in the center of the secondary, giving you 120V on each split and 240 across the entire phase for larger loads
Seen our new 3 phase transformer video?➡️: ua-cam.com/video/u0SsejDCVkU/v-deo.html
AC transformers are what ultimately led to the defeat of Edison’s DC system.
Because they transform.
I disagree!!
😂😂
What for?
@@DeathMonarch2005 lol, exactly my thoughts. The Only thing I can think of is why transformers are used??! And in That case buddy can disagree All he wants, I doubt the uploader didn't do his due diligence. Many, I presume, cretified electricians have also commented in the educational effectiveness of the video also. Maybe he's just an anarchist?😅