Slip ring Induction Motor, How it works?
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- čas přidán 17. 09. 2018
- Induction motors have been ruling the industrial world for many decades. In the induction motors used in lift and hoists, you will see a type of rotor called a slip ring rotor, whereas in most of the other applications you will see a simpler, squirrel cage type of rotor. Why are there two different designs of rotor construction for induction motors? We will explore this in the video.
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These videos are gold on youtube
Such an awesome video. Thanks for sharing
yes indeed
Exactly
@3:02 I paused the video and observed. The direction of electro magnetic force shown in the animation is wrong. Use F=Current *(Vector product of L and B)
L= vector having magnitude= length of conductor and directed along the direction of current and B is the STATOR MAGNETIC FIELD VECTOR. Using right hand rule, we get the direction of electro magnetic force to be opposite of that shown in the animation.
Please correct me if I am wrong.
correct
My word thank you so much. My book doesn't really have a great explanation and I could not visualize this. I don't usually leave any comments but you have no idea how much this helped me for the exam I have tomorrow :D
can't stress enough how much I enjoy these vids, thanks for all your hard work guys!
Had to watch this a few times for it to sink in. The key is the current lag increase due to frequency. The further the rotor current lags behind the max flux in the RMF the less the torque. YES !! Thank you for this.
One of your best illustrations yet. Thank you very much!
These kind of yt channels are needed for all those students whose teachers teaches physics in a very boring way(literally killing the interest of students in science) , learn engineering is there to save the soul of Physics
Thanku for helping a lot of students
Literally I'm crying 🥺🥺
This answer all my questions. It is an incredible video that take a lot of time to make. You are the best. Thank you!
I'm in the process of rebuilding a 3 phase slip ring motor at work. Should be re assembling it tomorrow (Monday). It's cool to see videos like this. keep em' coming.
When explaining about phase increasing or decreasing, perhaps showing a phasor diagram of the current and voltage of the rotor might help.
If you want to know more about slip rings, you can follow my homepage, which contains the conciseness of different slip rings, welcome to watch.
Awesome job! We have been doing up grades at our facility on our Mills from DC motors to AC motors with vector drives .We are saving a boatload of 💰 in energy costs. It's all about the drives.Thanks again.
I better get back to work.Converting float sensor in water tower from laser to ultrasonic.Hope we have better luck .Winter is coming.
I may not understand thoroughly the first and second time, but I will be back !! Thank you!
A lot of work goes into these videos...thanks a bunch folks!
Thank you so much for simple and good explanation.
Lots of love and respect from india
Very good video explaining this, We still have a lot of cranes using wound rotor motors but there days are getting fewer and fewer as we are now just using VFD's and less expensive squirrel cage motors.
I just invited my 100 students to watch this video as a complement to the analytical/mathematical analysis of the induction motor that they've just seen on the chalkboard. Thumbs up, guys! Excellent work!
@3:02 I paused the video and observed. The direction of electro magnetic force shown in the animation is wrong. Use F=Current *(Vector product of L and B)
L= vector having magnitude= length of conductor and directed along the direction of current and B is the STATOR MAGNETIC FIELD VECTOR. Using right hand rule, we get the direction of electro magnetic force to be opposite of that shown in the animation.
Please correct me if I am wrong.
Wow, interesting! i always thought the resistance was for keeping the motor from drawing too much current during startup, but apparently you can also tune your RL circuit with it, NICE! thanks Learn Engineering
It IS used mainly to prevent high inrush starting current, but I also didn't know about the RL phase angle tuning before this video. I haven't known why induction motors have only around half maximum torque at startup (which is still not that bad)
lesics now
@@Bizzon666 Only Squirrel Cage Induction Motors have a Starting Torque of about 0,5x Nominal Torque to be more precise. If I am not mistaken: Slip Ring Induction Motors have about 1,5x Nominal Torque as Starting Torque.
Can you do some videos about roller coaster mechanics? Things like LIM/LSM, Hydraulic and Pneumatic launch, how catch cars and brakes work, how restraints work, etc
Video on Circuit breakers please
People who really have the teaching skill is on youtube.For a fact they dont exist in universities.
Hello team! Thank you for the video! It was very helpful!
I have a suggestion for you. An animation on Vibration Motors and Analog and Digital Watches would be very good. Thank you!
OMG, the best explaination for me to understand industion motor, thank a lot, please make more video about the starting types of motor to reduce starting current,
Thanks Learn Engineering, your videos are very informative with great visuals. Thanks again.
Thank you for giving deep information about slip ring induction motor
Beautifully explained and amazing visuals. Thanks!
Professional! Thank You.
It has helped so much in my exams...
Yes...very excellent video clip for the student who are studying the electronics... Thanks a lot...
no... we thank you.... you guys are he real MVPs
Please do a video on different types of generators.
I love your videos. So much work goes into each one.
Superrrb Awesome Fantastic video
basically what the video implied was that increasing the rotor reistance would increase the current, because of reducing the phase shift. however i think the phase shift occurs because the current is lower when there is a resistor. i always thought the point of this construction is to lower the starting current and save the rotor from overheating. it could also be helpfull to reduce the phase shift on the primary, because industrial electrical bills tax you heavy for non-resistive-behaving loads (power factor) and is also a good way to maintain high torque over a wider range of rpms, because you can deadshort the rings when the motor get up to rpm and get the same starting torque you had with resistors, but now without them and at much higher speed. if i was to build such a device i would make the reistors part of the rotor and engage/disengage contacts by moving small bearings sliding freely on the shaft but connected to the contacts (something like the concept of a throwout bearing of a clutch)
should place a capacitor across it instead to raise the current and shift phase (/hides behind blast sheild)
Truly Awesome Explanation Thanks
Time to compliment! Love your simple visualize easy to follow animation style explanation!! These must take a loooooooooooooooooooooooooooooong time to make! But they make me understand so faaaaaaaaaaaaaaaaaaaaaaaaaaaaaast!!!
Very nice explanation ...Every points are clearly understandable. Thank you so much.
Thank you very much.
The explanation is very good.
That was a phenomenal explanation
great video. thanks
Incredible graphics and clarity. Thank you!
Thanks for explaining the IM
Thanks for this video
Love what you guys do!
Used to love the old RI motors. Few electricians would know how to tune them now days. Single phase 480volt commonly used on farms
Thanks , congratulations!!!
thank you sir..
Really good...the best ever in the youtube
outstanding way of explanation..... :)
Great video
Thanks to team
Thanks for your great work...excellent
Awesome explanation. Thanks
you guys are awesome.......such things only makes youtube worthy....🙏🏻
This is absolutely a great vid!
Great youtube channel for to know about engineering...thanku sir
Damn, these animations are good!
Thanks a lot very informative video..👌👌
text book with video! I love it.
Very very nice, i am principal of a pvt. iti and i found this video very usefull, thanks
Your videos are really very helpful 🙏🏻 Thank you so much ☺️
The experience was great
excellent explanation,best in the current you tube videos about slip ring induction motor
Thank you. You are the best.
Aapki Team Bahut Achha Kaam kar rahi hai. Hum sikh pate hai. Thanks
Thank you for the great visualization. What an amazing tool CZcams is, 20 years ago one had to study this from a book and could not figure out anything
You'r videos are gold.
I had to watch it twice to understand everything 😅. But the explanation was phenomenal
I watched 10 times but i cannot understand
Imma get to work designing a self-contained version.
@@adhil8918 Should have electrical background... focus on your interest
excellent video , thanks.
Thank you for the info.
YOU GUYS ARE REALLY GOOD IN THAT, PLEASE CONTINUALLY DOING THIS VIDEOS, BECAUSE YOU ALL ARE AMAZING VERY GOOOOOOOOOOOD PERFECT
Great video so much helpfull
Excellent thanks!
So this is how a Synchronous motor works.. Wow, thank you
Great job ... Over the top
thank you guys
Great videos, love than animation and content, very helpful. 🙏👍👌 Thank you!
Induction theory is very difficult to explain to a layman. I believe this type of explanation is the best I have seen. Good job.
@3:02 I paused the video and observed. The direction of electro magnetic force shown in the animation is wrong. Use F=Current *(Vector product of L and B)
L= vector having magnitude= length of conductor and directed along the direction of current and B is the STATOR MAGNETIC FIELD VECTOR. Using right hand rule, we get the direction of electro magnetic force to be opposite of that shown in the animation.
Please correct me if I am wrong.
@@abhisekrout8522 Why are you using your right hand? You should be using your left hand.
@@killer2600 To get the magnetic field du to a current flowing through a conductor we use right hand. But yes here in the video if we use left hand everything falls in place. I got a solution to it and have prepared a report on it. In the report I have tried my best to explain why this video could have been represented in another way so that the confusion of why using right hand rule doesn't work here and anyways how magically the use of left hand works (though weird). Please go through the link and correct me if am wrong.
drive.google.com/file/d/1tMBLwAtVLtfxmIj-DqlxEhWVGdzAcU2g/view?usp=drivesdk
@@abhisekrout8522 This is youtube not college lecture class for future electric motor designers so I really could care less about the accuracy of a few arrows. So long as the rotor spins in the same direction as the rotating magnetic field it's good enough for youtube IMO.
@@killer2600 Yeah, you are right but what I feel is animating the stator magnetic field instead of rotor magnetic field to explain the operating principle of an induction motor would be a lot more intuitive. And If I am right then there are some serious errors regarding the current magnitude at different rotor conductors relative to their position wrt the stator magnetic field.
Very good thank you!
Excelent video!!
Fantastic graphics!
perfect videos! It helps a lot.
💯🌹💓
Really awesome video of working of Induction motor with lucid explanation
Thanks, fantástic!
Best explaination :-)
Really good videos.....
Keep it up buddies......
We all support you
Thanks for the video
go on ........very good service indeed!!!!!!
please make a video on variable frequency drives(VFD) and variable voltage variable frequency drives(VVVFd)
Million thanks brother
Excellent job 👍
It was so instructive
What should I've done if u hadn't uploaded these kind of videos on CZcams 😃
Thanks a lot and lot guys
Great explanation 👍🏼👍🏼
Really awesome video and easily understand
good teaching .... thanks
Such a beautiful animation and explanation thanks a lott sir
Excellent explaination
Good explanation thanks for your videos
tnq so much... this video help me lot
we love Slip ring Induction Motors ;-)
Great video. Keep it up.
you deserve great respect man hatsoff
Thanks .. nice video!!!