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Thank you so much, I used this information for my homework. I'm studying electrical engineering in Mexico at the best school of engineering on the country.
The video is excellent in many ways. It could have been mentioned that the relation between the coils of the stator and the loops of the rotor are in fact acting as a conventional transformer with a primary and a short circuit secondary. Also, I do not like to say that the induction causes a current to flow as the sequence is in steps where the fluctuating magnetic field from the stator will induce a voltage in the loop of the rotor which could be open circuited and there will be no current only a voltage and so the rotor will not run at all. Due to the short circuit of the squirrel cage effect on the rotor, the induced voltage will create a current in the rotor loops which in return will create a magnetic field in the rotor which will react which the field in the stator which caused it all to happen. It is imperative to understand that voltage is induced in the rotor if the copper in the rotors has a RATE OF CHANGE WITH RESPECT TO THE ROTATING FIELD. and so for this to happen the rotor must never rotate at the same speed as the rotating field on the stator. It is like a person running with the wind if he runs as fast as the wind in the same direction he will not feel the wind in his face nor on his back, but if he runs faster or slower than the wind then he would feel the wind, IN the case of the induction motor, the rotor loops run at a slower speed than the rotating magnetic wind! During the video, at all times the rotor loop was shown it is always shown running at the same speed as the magnetic field and also the orientation is such that there will be no voltage induced it as the electric loop is not curling the magnetic loop and as sown there is no rate of change of the magnetic field with respect to the loop, hence no induced voltage nor current in the loop. At 7:15 the rotor loop should have a rate of change with respect to the stator rotating field. I would say that it is important to show that Curl H= J + dE/dt but in this case, forget about the latter. hence Curl H=J wherein the case of an induction motor both H and J must have a rate of change as it will not work with DC. Perhaps a mention of the stepper motor or the DC brushless motor could have been mentioned but then the induction due to the rate of change of the stator magnetic field with respect to the rotor loops would not have been indicated only the rotating functions due to synchronous rotating field as in the synchronous motor when the rotor of an induction motor carries a permanent magnet or a DC field so that it will lock on to the rotating stator field.
Dear Carmel thank a lot for your time and for advice and correct us.We create a new video about plane can you leave a comment and tell us what do you think new version ruclips.net/video/OCh4svEfDmE/видео.html thanks
Thank you so much!! If you're interested you can also watch our video about the working principle of DC motors: ruclips.net/video/XiGBl-iIYXc/видео.html
You were correct in that I found this video highly informative and your narrator does an excellent job of making each point. These lessons are enjoyable to say the least~!! Many thanks for your work on these videos.
We would like to thank you for your kind words! We are glad that our videos are watched by competent people like you! For this reason we'd like to know your opinion about this video we made, in which we explain the working principle of another type of electric motor: the INDUCTION MOTOR ruclips.net/video/EcbHEOIVGcg/видео.html If you want to learn more about our projects, please visit our website www.jaescompany.com/
Hello! Thank you for your comment! We made a video about the workin principle of transformers. If you're interested you can watch it and tell us what do you think: ruclips.net/video/fbu1Xji27vc/видео.html
Buongiorno e grazie per il suo commento! Se può interessarle sul nostro secondo canale JAES Company ITALIA può trovare tutti i nostri nuovi video in italiano ruclips.net/channel/UC1NLAk7aTBqOgG1D0YnCGIA La invitiamo ad iscriversi per non perdere la pubblicazione dei nostri futuri video in italiano. Se vuole conoscere meglio i nostri progetti la invitiamo a visitare il nostro sito web www.jaescompany.com/
OK- You say Lorentz force is what's causing the rotor to turn. What I can't grasp is if Lorentz force is causing the rotation then that rotational force from the Lorentz effect would be applied to the rotor at the moment of start-up when the rotor is stationary. If that's the case then why does a single phase AC induction motor require a starting winding or a shaded pole? Seems like the initial rotor rotation from standstill would take place solely from Lorentz force therefore not requiring the starting winding. Try and clear this up for me.
Hello. Thank you so much for your observation! We welcome anyone who brings its own contribution and share its knowledge on our videos. This allows us to improve our contents as well as to correct any misunderstandings. So, if you're interested you can also watch our video about the working principle of a very important device in electronics: the DIODE ruclips.net/video/vqQQN5yf1Oc/видео.html You can also visit our web site to find out our next projects www.jaescompany.com/
@Grumpy If it has PM magnets then it is NOT an induction motor. The **KEY** word is INDUCTION. With PM magnets there is no need for induction so it becomes a brushless DC motor or a synchronous motor when it uses PM magnets. Please learn your terms...
That is a relatively fair assessment of an induction motor. Instead of using a permanent magnet in a rotating electromagnetic field, the em field creates or induces a magnetic field in the rotor. If we look at Teslas original patent he used a permanent magnet instead of a squirrel cage which differentiates his design from an induction motor. The clever thing about Teslas was that it was a universal motor and could be driven with AC or rotating DC, which is simulated alternating current used in "brushless DC motors". 😉
Hello Karl. Unfortunately we made a typing error. Thank you for the correction! Have you had the chance to watch our video about transformers? ruclips.net/video/fbu1Xji27vc/видео.html We would like to know your opinion about it. If you want to learn more about our projects, please visit our website www.jaescompany.com/
now somebody tell me why not all cars are powered by electric motors they are so simple and basically no maintenance i mean it would be in the intrest of the owner to pay almost nothing for maintenance and for powering it.. 85% efficency vs 30% in a combustion engine says everything
The fundamental problem lies in the production and disposal of batteries, the battery charging times, and, most importantly, in generating sufficient electrical energy so that all cars can be powered by electricity. We recommend watching our video on thermal power plants: ruclips.net/video/Ht2wgH_EWQU/видео.html Regarding electric cars: ruclips.net/video/flQSQxHVS14/видео.html
Se preferisci vedere i nostri video in italiano iscriviti al nostro canale Jaes italia:
ruclips.net/channel/UC1NLAk7aTBqOgG1D0YnCGIA
Si prefieres ver nuestros videos en español, suscríbete a nuestro canal Jaes Español:
ruclips.net/channel/UCocs1MzsjT_RSJiJ8R-EI4Q
Si vous préférez voir nos vidéos en français, abonnez-vous à notre chaîne Jaes Français:
ruclips.net/channel/UCb7TkWFn3nyb6XhudxGu5twchannels
• Find out more about our project:
jaescompany.com/elearning.php
• Here are some products installed by our technicians:
jaescompany.com/catalogo_prod...
Thank you so much, I used this information for my homework. I'm studying electrical engineering in Mexico at the best school of engineering on the country.
I am glad that I found this channel!!
thank you so much,,animation was so satisfying
The 3d animation was very useful!
I love the way you explained this topic was very educative
Thanks for these wonderful sessions.
The video is excellent in many ways. It could have been mentioned that the relation between the coils of the stator and the loops of the rotor are in fact acting as a conventional transformer with a primary and a short circuit secondary. Also, I do not like to say that the induction causes a current to flow as the sequence is in steps where the fluctuating magnetic field from the stator will induce a voltage in the loop of the rotor which could be open circuited and there will be no current only a voltage and so the rotor will not run at all. Due to the short circuit of the squirrel cage effect on the rotor, the induced voltage will create a current in the rotor loops which in return will create a magnetic field in the rotor which will react which the field in the stator which caused it all to happen. It is imperative to understand that voltage is induced in the rotor if the copper in the rotors has a RATE OF CHANGE WITH RESPECT TO THE ROTATING FIELD. and so for this to happen the rotor must never rotate at the same speed as the rotating field on the stator. It is like a person running with the wind if he runs as fast as the wind in the same direction he will not feel the wind in his face nor on his back, but if he runs faster or slower than the wind then he would feel the wind, IN the case of the induction motor, the rotor loops run at a slower speed than the rotating magnetic wind!
During the video, at all times the rotor loop was shown it is always shown running at the same speed as the magnetic field and also the orientation is such that there will be no voltage induced it as the electric loop is not curling the magnetic loop and as sown there is no rate of change of the magnetic field with respect to the loop, hence no induced voltage nor current in the loop.
At 7:15 the rotor loop should have a rate of change with respect to the stator rotating field.
I would say that it is important to show that Curl H= J + dE/dt but in this case, forget about the latter. hence Curl H=J wherein the case of an induction motor both H and J must have a rate of change as it will not work with DC.
Perhaps a mention of the stepper motor or the DC brushless motor could have been mentioned but then the induction due to the rate of change of the stator magnetic field with respect to the rotor loops would not have been indicated only the rotating functions due to synchronous rotating field as in the synchronous motor when the rotor of an induction motor carries a permanent magnet or a DC field so that it will lock on to the rotating stator field.
Dear Carmel thank a lot for your time and for advice and correct us.We create a new video about plane can you leave a comment and tell us what do you think new version ruclips.net/video/OCh4svEfDmE/видео.html thanks
All of your videos are great!
very nice explanation
Thank you so much!! If you're interested you can also watch our video about the working principle of DC motors: ruclips.net/video/XiGBl-iIYXc/видео.html
Good tutorial for basic know how.
Amazing, very useful video
Please visit our website www.jaescompany.com to see our new projects and find out who we are.
Nice and clear explanation
Perfect. Video
Ohw lovely good for all stage people,good luck dear sir
Dear Jerald thanks I advise to watch this video too about motor
ruclips.net/video/VaWGJVHiJC8/видео.html
High quality video!
So that's how induction motor starts!
Nikola Tesla (1956-1943) - 0:54
1856-1943
You were correct in that I found this video highly informative and your narrator does an excellent job of making each point. These lessons are enjoyable to say the least~!! Many thanks for your work on these videos.
We would like to thank you for your kind words! We are glad that our videos are watched by competent people like you! For this reason we'd like to know your opinion about this video we made, in which we explain the working principle of another type of electric motor: the INDUCTION MOTOR ruclips.net/video/EcbHEOIVGcg/видео.html If you want to learn more about our projects, please visit our website www.jaescompany.com/
wow loved it kindly also make video on three phase transformer
Hello! Thank you for your comment! We made a video about the workin principle of transformers. If you're interested you can watch it and tell us what do you think: ruclips.net/video/fbu1Xji27vc/видео.html
@@Jaescompany thanks for replying
You can also watch our video about the working principle of mobile phones: ruclips.net/video/3xKn99QMudY/видео.html
Very interesting video
very helpfull
Buongiorno e grazie per il suo commento! Se può interessarle sul nostro secondo canale JAES Company ITALIA può trovare tutti i nostri nuovi video in italiano ruclips.net/channel/UC1NLAk7aTBqOgG1D0YnCGIA La invitiamo ad iscriversi per non perdere la pubblicazione dei nostri futuri video in italiano. Se vuole conoscere meglio i nostri progetti la invitiamo a visitare il nostro sito web www.jaescompany.com/
Good info
thank you Issa where are you from ?
OK- You say Lorentz force is what's causing the rotor to turn. What I can't grasp is if Lorentz force is causing the rotation then that rotational force from the Lorentz effect would be applied to the rotor at the moment of start-up when the rotor is stationary. If that's the case then why does a single phase AC induction motor require a starting winding or a shaded pole? Seems like the initial rotor rotation from standstill would take place solely from Lorentz force therefore not requiring the starting winding. Try and clear this up for me.
very interesting, however some induction motors do use a permanent magnet rotor.
Hello. Thank you so much for your observation! We welcome anyone who brings its own contribution and share its knowledge on our videos. This allows us to improve our contents as well as to correct any misunderstandings. So, if you're interested you can also watch our video about the working principle of a very important device in electronics: the DIODE ruclips.net/video/vqQQN5yf1Oc/видео.html You can also visit our web site to find out our next projects www.jaescompany.com/
@Grumpy
If it has PM magnets then it is NOT an induction motor. The **KEY** word is INDUCTION. With PM magnets there is no need for induction so it becomes a brushless DC motor or a synchronous motor when it uses PM magnets. Please learn your terms...
That is a relatively fair assessment of an induction motor. Instead of using a permanent magnet in a rotating electromagnetic field, the em field creates or induces a magnetic field in the rotor.
If we look at Teslas original patent he used a permanent magnet instead of a squirrel cage which differentiates his design from an induction motor.
The clever thing about Teslas was that it was a universal motor and could be driven with AC or rotating DC, which is simulated alternating current used in "brushless DC motors". 😉
thanks you for your comment
Hard to ignore Nikola Tesla 1956 - 1943
mistake 😁
Well done! #inductionmotor
Excuse me
Can induction motor used for long time such one year continuously? With load torque of 10 N.m
What is an pole in a Induction Motor
Tesla cars use battery packs so inverter is required. Can your inductance motor be use without the inverter if my car does not use battery pack?
No. Alternating current is important in it's rotation.
Tesla - 1856-1943
Hello Karl. Unfortunately we made a typing error. Thank you for the correction! Have you had the chance to watch our video about transformers? ruclips.net/video/fbu1Xji27vc/видео.html We would like to know your opinion about it. If you want to learn more about our projects, please visit our website www.jaescompany.com/
The
4:24
now somebody tell me why not all cars are powered by electric motors they are so simple and basically no maintenance i mean it would be in the intrest of the owner to pay almost nothing for maintenance and for powering it.. 85% efficency vs 30% in a combustion engine says everything
Yes exactly. They have had the technology for electric vehicles more than a century but only recently is it finally catching up
@@larslover6559 Battery technology is the hold up.
The fundamental problem lies in the production and disposal of batteries, the battery charging times, and, most importantly, in generating sufficient electrical energy so that all cars can be powered by electricity.
We recommend watching our video on thermal power plants: ruclips.net/video/Ht2wgH_EWQU/видео.html
Regarding electric cars: ruclips.net/video/flQSQxHVS14/видео.html
00:51 Nicola Tesla 1956 - 1943?
thanks you I think is a mistake thank to notice
subscribed! thank you so much for your work. just reading this material is horrible
Who is studying for PE exam here 😅
strong graphics for comprehension
Nice and clear explanation