What is a fuse? the basics explained
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- čas přidán 19. 12. 2022
- What is a fuse? in this video we learn the basics of fuses, how they work and why they are used.
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Hi! About Voltage Transformer and FCO. Can you pls explain why should we open the middle FCO first and close it last? Thanks
What I like about this channel is that videos are as short or as long as they need to be. They are not padded out just to meet a certain mark.
I appreciate what you doing 🎩
Omg I kept seeing these at work and never realised they were fuses. Cool
The primary purpose of a fuse is to protect the supply, not the appliance, but it may also protect the appliance as a consequence of limiting the energy.
Nice. I sometimes see those things, in the plugs for Christmas lights.
Hello dear professor
Your lessons are really interesting and crucial,i do appreciate your job,i wish you peace and happiness under the sky of prosperity,all the best. Take care and have a good time.
This video shows how a fuse should work, now if they only worked that way in automotive electronics ! I just love needing to replace some $1,500.00 module because the 5 cent fuse didn't blow when the first component shorted !!
I'd like to request a video explaining portable generators for residential temporary back up power. Does neutral have potential to back feed utility power lines? Thanks
This channel is simply awesome. Don't forget to like and subscribe to all of this channels videos! This is the knowledge that gives understanding. Thank you.
Thànks
Can you explain how all the sensors in the car work 💙?
Is it the current or power that blows the fuse? Will a 12 v 5A fuse provide a 5A protection in 120vac or 220vac circuit?
i think its the current that matters. though you sould use a 120VAC or 220VAC rated fuse for those circuits.
Great videos! Shouldnt the number for electrons per second be: 1.83x10^19? eighteen quintillion?
Do a 3A FUSE blow if the current is dc and ac? Does the voltage affect the limit of current of the fuse at which it blows? Thanks for that
Worth buying Active Speakers with this part
What's the difference between an electron and a homotron? Homotrons are the ones that go around blowing fuses.
I like that. 😏
Yes that is correct and fuses are not the only electrical component that are blown by Homotrons.😂😄😆👩🔬
@@KITTYGALOREXXX 😭😭😭🤣🤣🤣
@@KITTYGALOREXXX Yes also light fixtures.
Sir
So, theoretically, if you’re stranded on an island and trying to repair a motor or something, you could use a piece of regular wire instead of a fuse, as the fuse doesn’t control the amount of electricity but rather just acts as a shutoff? Obviously you’d be operating more dangerously if that’s the case, but working dangerously would be better than not working in that scenario.
I have a question, swap any 2 phase for 3 phase motor to change rotation. no matter star or delta connect. Is that porper way? doss it loss hp or make any problem? can't find answer, please!
No, provided it's just a motor then all 3 poles of the motor are identical and there will be no loss of power or efficiency and no harm will be done provided whatever the motor is connected to can handle the reversed direction.
@@125brat thank's, i know it's just my stupid problem when watched another video
I never understood how a certain fuse can be used at both 230V and 12V. How can it still burn out at the same amount of amps when the lower voltage should give a much lower amount of energy? How could it not the be the total amount of energy that makes the fuse burn out? So confusing
Ohms Law
@@310765 yeah, why doesn't it apply?
The current
The rupture or operation of a fuse or other protection device as it is correctly called is dependent on its I^2*t characteristics. This is effectively independent of the applied circuit voltage, but depends on the short-circuit current available to operate the fuse in a given time. Fuses however do have a maximum voltage rating for their safe and correct operation.
Circuit design and cable sizing should allow the fuse to operate in the required time taking into account the load, i.e. a supply "stiff" enough to provide enough current under fault-condition to operate the fuse.
All fuses should have graphs in their specification sheet showing the operating time verses current and this will vary for different fuse types such as anti-surge, mid-delay, motor-rated, fast-acting etc.
A fuse is a safety feature that BLOWS!
Do NOT connect wires to your head, because it's MIND BLOWING! 😆
@@SystemX1983 🤣
Real world ?
A rotary switch on/off contact. Rated 12-48Vdc at 60 amps for example.
Can you use 100Vdc at 20 amps? Why and why not? Thank you. Example from battery disconnect. Like to use as solar pv disconnect
Types of transistors
They USED to be cheap! 😉
Nothing cheap these days because of Putin
0:30 Cheap? 32A Siba fuses are not cheap at £10 a pop.
When you consider the technology in a "simple" fuse, it's not surprising decent makes aren't cheap!
I'm not satisfied. There's much more!
Yes indeed, there certainly is!
Why don't they build a snap out fuse location into outlets and plug sockets??? Then you don't need fuses for every single plug...it's stupid doing it this way...stoopid...