Electric Motor Types and Complete Overview
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- Опубликовано: 7 сен 2024
- Complete overview of all ELECTRIC MOTOR TYPES and their advantages and disadvantages. AC motors can be divided into synchronous motors and asynchronous motors. There are 3 types of synchronous motors, these include reluctance motors, permanent magnet synchronous motors and separately excited synchronous motors. Most electric motors types differ primarily in the design of the rotor.
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This is simply the greatest video on the classification of electrical machines. This would help students a lot.
I would love to see a video explaining the manufacturing methid of these motors from you guys.
Thank you very much for your idea of a video with the production of the electric motors. I love control engineering, so I liked your videos very much! Unfortunately I can't see the target of your channel. Maybe I can help you. Are you on LinkedIn?
@@Electric-Motor well the videos are for my students. Yes I have LinkedIn, it's Mohd Azri Hizami RASID. I also work on electrical machines. Looking forward to work with you
Great background image that you have on LinkedIn, I have sent you an invitation and would be happy if you accept it. Maybe you can send me a link to your website via LinkedIn.
Quick & Easy , everything covered & simplified
Thank you so much for your great feedback
My god, your videos are amazing! Straight to the point and efficient in communicating the concepts. Appreciate your hard work putting these educational videos together.
wow .. very nice explained... I need your guidance.. i have been working and designed two permanent magnet (radial flux PM) machines but my target is go through an efficient control and robust design of PM machines. i have built some equations / formula/ i would like to share with you to look into and guide me.. pl
Thank you for this great collection. How about the number of phases? May be you can consider this in one of your next videos?
Thank you very much. We like your proposal "number of phases" very much and hope to make a video about it this year.
This is a great video! It is a shame you didn't cover BLDC motors - they are popular in their own way as they improve on the commutator design of a basic DC motor.
First of all, thank you. You are absolutely right BLDC motors I have not mentioned and stepper motors I have not mentioned. I wanted the video to help people get a simple overview of types of electric motors.
The problem is, to which subgroup would you add BLDC motors?
In my opinion BLDC motors belong to AC motors, because BLDC motors can also be induction motors for example!
To which subgroup would you add BLDC motors?
@@Electric-Motor In (modern) EVs all motors are in fact BLDC motors.
EESM motors with wireless current transfer to the rotor exist. Such as MAHLE's EESM motor. 95% operational efficiency and 97% peak efficiency. EESM motors are gaining popularity in EVs (BMW i4, iX1, iX, iX3, Renault Zoe, Nissan, Renault Megan Electric). Not dependent on Chinese magnets and they are cheaper.
I completely agree with you. EESM are a very good alternative to motors with permanent magnets. Are you working on an EESM project?
Thank you for a useful and informative presentation.
Thank you, I am glad to see that it has helped you. If you have any further questions, please feel free to contact me.
Great overview of the different types of electric motors. What type of electric motor do BLDC motors belong to?
BLDC motors belong to the group of AC motors. They are characterized by the fact that they have a block-shaped or trapezoidal control. BLDC motors are often used for small pumps or actuators. The electric motor type used is usually IPMSM designs with concentrated winding. Another common naming for BLDC motors is EC motor, which is the shortcut for electrically commutated motor.
Thank you Sir. It was a great help for my son and me.
Glad to hear that I can help the whole family ;-) And thanks for your nice comment
sir we would be very grateful if you could explain hybrid axial and radial flux motor that is used in keoingsegg car
Hello Grayson, very complex question. So Koenigsegg uses an axial flux motor because the installation space length is very short. This is a main advantage of axial flux motors compared to normal radial flux motors. But the biggest disadvantage of axial flux motors is the complex lamination of the stator to reduce the losses in the laminations. That is why compound material is often used, which is not electrical sheet but pressed powder. Sounds good, but the losses are greater for medium to high speeds. Therefore it is not often used. However, for very high speeds, the losses in the electrical sheet are greater. It is not the mechanical speed that is important, but the electrical speed. Since the Koenigsegg motors have many poles, the electrical speed will also be correspondingly large. So the use of compound material makes sense. Funnily enough, the market leader for this compound material comes from the same country as Koenigsegg ;-) This is probably not a coincidence. Hope I could answer your question Grayson?
What type of motor would you recommend for agriculture use? Source of energy is solar ( so it is DC ), low speed needed only, robust ( heavier is better), cheap, doesn't have to be efficient...
Thank you 🙏
Good, helpful overview. But the language could be better. There are several mistakes (overall at least 10) in grammar , pronunciation and choice of words . The most annoying one to me is the wrong pronunciation of 'excited'.
Thank you for your feedback. If I had known how important English would become for me, I would definitely have paid more attention in class. I will try to improve my pronunciation but it will take a while. Can I ask if you are from England or the USA?
@@Electric-Motor I'm from Germany 🙂.
@@martinsemkat480 Funny, well then you are welcome to ask questions in German ;-) Thanks again for your feedback
Thank you for having made another beautiful cost-free educative video for humanity about electric motors
I like your 3d models
But the written tabellas are not easy on the eye and should also be expressed with pictures or so
Simplicity is the best guidance
Thank you for feedback. The 3D models also cost the most time, but I'm glad if the work was worth it. Which tabels do you mean exactly?
@@Electric-Motor
Well, all...
For example at 00:48 or at 02:10, etc
I would try not to have any written text in the videos at all, if possible
Only the schematics and you talking. That's the easiest to understand
But I also understand, as you say, that "everything 3d" is most work intensive...
You know the videos of "Kurzgesagt - In a nutshell"? Their videos usually don't have any written text. Only animations and voice, and they're extremely informative while being easy on the eye
But yeah, it's a lot of work...
Witsh motor uses an dacia Spring extreme 65kw?
Thank you so much. I would like to choose a dc motor with 500 watt and 1500 rpm between 24 volt to 36 volt input for a battery driven air conditioner. Which kind of motor I have to choose ?
You probably also want to control the speed of the motor, right? Because then you need of course a motor controller which regulates the voltage. The cost difference between a motor controller for a DC motor and a bldc motor is very small. So maybe it would be more worthwhile for you to use a bldc motor which would have the advantage that your battery will last longer. If you really want to have a DC motor, then search on Amazon with the following search term "dc motor 500W". What do you want to build just a device for you or a prototype to be produced in series?
Since AC current is produced by inverting the DC supplied by Battery, so there is no compulsion to use 50 or 60 Hz frequency. In aircrafts, 400 Hz frequency is used for Induction Motors to reduce weight. What frequency is used in Electric Vehicles for Induction Motors?
Electric vehicles always use an inverter for induction motors that adjusts the frequency depending on torque and speed. For which function are induction motors used for aircraft? I know only airplanes in which PMSM are used.
please make more videos. All I thought you had a video of the sheets/ laminations of the rotor
what type of electric motors are used in cnc machines?
Thanks for your question, you have to differentiate between the motors for the main spindle and the axes. For the main spindle you need a very high speed smoothness. This means that there is no speed variation. This is best achieved with a SPMSM with a distributed winding. For the axes of the machine tool, servo motors can also be used if the transmission ratio in the gearbox is high enough. These are then IPMSM with a concentrated winding, because with these more torque can be achieved. Hope I could answer your question?
What is the ac voltage and the frequency of a 3 phase 8 pole permanent magnet motor with 3600 RPM?
Hard to say, because it depense on the motor design, sorry that i can not help you with that
Yes question is how to inject mold aluminum to the rotary.
Aluminum rotors are normally manufactured by die casting. This is why aluminum is usually used instead of copper, because lower temperatures are required for aluminum.
You present very important informations in your videos, thank you and congratulations. Greetings to fans of electric and internal combustion engines 😀.
Thank you for the content.
I would like to see some analysis on the best motors used by electric sport cars.
The lucid air motor specs sheet seems impressive
Yasa motor used by Ferrari SF90 as well
Some speculation on Tesla plaid motor should be great!
Hello Mr. Maggini thank you for your message, we have planned to make a video on the topic of "best motor for an electric vehicle".
The best electric motor for a sports car would be to combine several types of motors, as each has its advantages and disadvantages.
But this is very complex and expensive in terms of the special inverter and the software needed for it.
Therefore, it is better and easier to use at least two different types of electric motors for a sports car.
This is what Tesla does, for example.
For example an asynchronous motor and an IPMSM with a lot of reluctance torque.
It is important to design the electric motors for high speeds to increase the power density, so very good bearings must be used.
To achieve good efficiencies, at least one of the drives should have a switchable gearbox.
In the Porsche Taycan, for example, a two-speed transmission is used.
Special attention must be paid to the cooling of the electric motor, as the standard solutions are usually not sufficient for the high power densities.
Are you more interested in hybrid sports cars or pure electric sports cars?
@@Electric-Motor Thank You for the answer, very appreciated.
It should be great to have a detailed analysis on pro/cons of gearbox for EV, for what I know the Taycan is the only EV with a gearbox and other brand discarded this solution during the development phase (e.g. Rimac and Tesla), choosing instead a more powerful motor with higher rpm.
I’m interested of everything is cutting edge, both for hybrid or pure EV.
For hybrid sports cars, the electric motor should be designed for high torques instead of high speeds to compensate for the weaknesses of the combustion engine in the lower speed range.
That's why Ferrari chose Yasa axial flux motors, because axial flux motors are good for producing high torque.
On the topic of electric sports cars:
Tesla is clearly focused on high volumes and mid-range vehicles.
The system architecture and the additional effort for a switchable transmission are not insignificant.
Therefore, the low-cost sports car solution is two drives with different ratios and the maps of the electric motors should complement each other well. So that the electric motor with the highest efficiency is always used at the current load point.
For gearboxes I would always choose a spur gearbox as it is more cost effective and can achieve a higher efficiency.
However, the planetary gear is of course stiffer and requires less space.
I think Audi is going the right way with a combination of planetary and spur gears. However, at the moment without a shiftable gearbox.
But we are only at the beginning of the electromobility :-)
If you like we can network on LinkedIn?
@@Electric-Motor sure we can network. Just done
Nice video! I would like to know what are the differences from an electronic point of view. As I understand the switched motor types, for some a rotation sensor is necessary and for some it is not.
Love to see more videos.
You are asking exactly the right question, thank you very much. When choosing an electric motor you should make sure that the electric motor has a small current ripple and that the phase current is as low as possible. Therefore the DC-link capacitor can be made smaller and less power semiconductors (MosFETs/IGBTs) are needed. This saves costs and space for power electronics.
Excellent sir! Well organized, clear and concise!
Super cool feedback, every good comment helps me :-)
sir your explanation was really useful...can u tell me about which are the possible metals to use as stator & rotor....like ferrous or non ferrous ...
Thank you very much. For the rotor and the stator is usually used electrical steel. The faster the rotor rotates, the higher the losses in the stator and you have to use thinner sheets with lower losses. For example M250A35
what is HOTOR?
I am very sorry, perhaps I have spoken somewhere unclear or mislabeled. Of course there is no hotor, it must of course be called rotor. Where exactly in the video did you find the error?
Thank you very much. Where does the Brushless DC motor fit into the classification at the end of the video? Thank you
I am not sure if I understood your question correctly. But BLDC motors are by definition all AC motors that are controlled in block form, which is why BLDC motors are also called EC motors. Of course the AC motor should be designed for this with for example with concentrated windings. Do not be confused by the terms. Does that answer your question?
@@Electric-Motor Thank you very much for your detailed reply. I'm a mechanical engineer by trade (automotive) and recently trying to understand electric motors for EVs. So, please excuse any ignorance from my lack of electrical knowledge. To my limited understanding, a BLDC motor is technically direct current, where the speed controller creates something similar to an alternating current through a number of switches, but is not a 'true' alternating current. Is my understanding correct? So, to return to the nice chart you have showing the hierarchy of different motor types, where is the BLDC motor on that chart? Or is it in a separate category? I see some people have three classes of motor: DC, AC and EC. Thank you very much indeed!
Thank you for wide overview. Could you advise which motor would be the best solution for electrical motorbike and why?
Unfortunately, there is no general answer, because it depends on the type of motorcycle and how the load profile of the motorcycle looks. An IPMSM is a good first choice.
@@Electric-Motor Thank you for the quick response. I would like to know more about differences between IPMSM and SPMSM, especially how the placement of magnets affects the magnetic field and performance of a vehicle. Could you provide a link to get more details for simple understanding?
@@sabinaderela1015 Unfortunately, I don't have a link to a website where the advantages and disadvantages are compared really well and simply. IPMSM and SPMSM both have their advantages and disadvantages. For electric vehicles, the advantages of IPMSM outweigh the disadvantages. Like for example the material costs and power density.
Hi I am a Mechanical Engineer. Can you put a video about Basics on Harmonics and how to control it?
Hello do you mean the mechanical eigenfrequencies of an electric motor or the harmonic ones of the back-EMF?
I wonder if it's possible to construct a motor with both the stator and rotor both using permanent magnet ? so essentially part of rotor and stator are heated above curie temperature, so a portion of the ring lose its magnetic property. Only a pair portions of the rotor and stator are cool below curie temperature, so there will be a torque between the two section. The heat is move via heat pipe similar to what a gpu cooler used (44 kw/m-k thermal conductivity, diamond has only 1.3 kw/m-k, since heat pipe use evaporation phase transition to move heat instead of convection/conduction, so it has much higher conductivity). So effectively you can use convert heat directly to motion. Effectively a motor that actually doesn't mind heat, in fact it would operate the best if the surrounding environment is around the magnet's curie temperature, so you can quickly switch magnetic field on and off via temperature. ** although maximum RPM of such motor might be lot slower than pure emf based motor, assuming heat travel slower than electricity.
Sounds like a very crazy idea. Still, I must admit that the idea does not sound unrealistic to me, but a bit impractical. How did you come up with the idea? And for what application should you use the principle?
@@Electric-Motor I was reading some article about magnetic transistor for memory storage that use curie temperature as the mechanism to toggle on/off magnetic property to store bit information. That got me thinking if this mechanism can be use in electric motor as well, in a situation where both the rotor and state are permanent magnets (so effectively they are like magnetic bit on a larger scale).
Normally in an emf base electric motor, the energy from battery is used for motive force of the rotor and the rely signal mechanism to direct the rotor's turning direction (the 3 phase ac current), with heat as a waste product, and you also need waste more power to pump heat away. Quite a lot of energy wasted. So I was thinking if we can directly convert heat to motion, these waste heat can be recycle.
The second part is most heat pump (assuming the input/output temperature delta is very small) by design have coefficient of performance of 2 ~ 3, as in you spent 1 J of energy to move 3 J of energy via compressing the fluid medium. So in this case, the heat source to power the rotor will be coming from both the environment and the electric pump wasted heat. Effectively the electric power in this case will be acting only as the rely ac signal only, and the majority of the motive power will sourced from the environment. So the assumption is that assuming the heat pump has COP of 3, and the heat to motive force conversion have efficiency of at least 33%, The net energy efficiency excluding heat energy from the environment should be 100% and greater than any existing emf based design (if you include both environmental heat energy and the input electrical energy to run the heat pump you would have lot less than 100% efficiency, so no breaking 2nd law of thermodynamic on the system level there).
Now I haven't fully understand the mechanism behind curie temperature enough to even estimate the energy efficiency from heat to motion. It's possible that the efficiency is so low that it's not worth it on a system level. But the main assumed advantage for this motor system is should have higher energy efficiency than emf base motor, since it taking both the environmental heat and the electrical energy as the motive energy source, as oppose to emf base motor where electrical energy is the only motive force with heat as the wasted by product. Assuming this system can pass the first efficiency hurdle, and the mechanism is not so complex enough that it overcome the "benefit", it might be able to extend the range of electric vehicle beyond the current emf base motor limit (we're about 94-97% there, not much room for improvement imho)
**assuming the vehicle is operating in a hot climate with plenty of ambient heat energy.
*** the heat pipe thing was mainly there to move heat around quickly since even with liquid cooling, the heat flux rate/unit area is extremely slow compare how fast electric move. And since most heat pipe is optimize around a narrow range of temperature, and we basically want to toggle between on/off state of the curie temperature and not deviate too far away from it. So heat pipe become the perfect mechanism to move heat around fast in this narrow domain application. Granted this is just all pie in the sky back of napkin calculation, real life version of this idea would probably encounter many unknown and make this design useless.
Please which motor can I use to make electric bicycle?
The easiest way is to use a BLDC motor, because there is a wide range of inverters for BLDC motors. Depending on your load profile, a reluctance motor may be better.
Thank you for a very clear and concise video.
Hello! Very interesting video! Thanks for the classification of electric motors.
How about PMSynRM? What's your opinion about them?
Hello, first of all thank you for your question. Synchronous reluctance motors with permanent magnets are a good solution to increase the power density of in synchronous reluctance motors and the efficiency of the motor is no longer so dependent on the air gap. However, by definition, a reluctance motor does not have cogging torques because it has no magnets! Therefore I would count a PMSynRM to the IPMSM group. Even though the proportion of reluctance torque is probably higher than that of additional permanent magnets. What is your opinion about this? In which group of electric motors would you classify the PMSynRM?
Thanks... This guy is a gentleman
Thank you very much, great compliment!
What about shaded pole motors
A shaded pole motor is a special design of an asynchronous motor. It is not an extra type but only a special design of induction motors. Please don't be angry with me, but I try to keep the videos as simple as possible so that I can help more people. But the shaded pole motor is a very important one and maybe I will make an extra video about it.
how about air gap in PMSM? does it affect the efficiency in the same way like reluctance motor?
Thank you very much for your question. Due to the magnets in the rotor, the air gap of a PMSM can be chosen much larger without reducing the efficiency significantly. For applications that require a large air gap, a SPMSM is a good choice.
Very interesting overview - which motor, from your view, is the 'best' electric motor?
Thank you for your question, it depends on the application. Because the requirements for an electric motor for an electric boat are different than for a small electric car. But an Interior Permanent Magnet Synchronous Motor ( IPMSM ) is always a good choice, because an IPMSM combines a permanent magnet motor with a reluctance motor.
Hey!!! I know it's been a while but there's something I've always wanted to know. Are there any advantages (BESIDES being known as the cheapest) to the use of old-style armatures DESPITE the ineficies caused by the friction of the mechanical brushes? What it was suspended with frictionless bearings? Couldn't it then be powered via an electrical induction device as now being utilized in the Axial flux, electrical motor design? Could such a design be mapped into a CAD system and "structurally" investigated one way or another to a definitive conclusion?
You mean in relation to DC motors, right?
Yeah. I mean, does the ols universal motor/generator design have ANY inherent structural design attributes that other motor designs do not?@@Electric-Motor
They are definitely more complex in design because the control is mechanically realized via the brushes.
Very wonderful and well-informing video. Thanks for making such amazing videos...
Thank you very much, it makes me happy to see when I can help other people a little bit.
I found alot of information in these videos thank you
Thank you for your compliments and the support
Now with more tighter efficiency requirement manufacturer are looking to replace induction motor with higher efficiency one. Most of them switch to PMSM. But in the long term the demagnetisation will be an issue. It also cost much more for PMSM than induction motor. I'm researching about possibility to replace SynRM motor to appliance like industrial fan. But so far I do not see small SynRM for such application. Most of them are in KW size for industrial application. My question are;
1) Is it possible that SynRM can replace induction motor in household appliance in the future?
2) Is it possible for SynRM to operate with lower voltage? (24/48V). I have never seen this kind of voltage runs with SynRM motor and kinda wonder why.
Thank you for your question. I have been allowed to analyze a SynRM for 12 volts with a power below 1000W, so I know the problems very well.
Regarding your second question, the problem is not the voltage but the air gap, which has a great influence on the efficiency of reluctance motors.
The smaller the motor, the smaller the air gap should be. Small pumps and fans usually have to be very cost effective. Compliance with tolerances also becomes more expensive the smaller the air gap becomes.
To achieve a high efficiency a SynRm should be built with a distributed winding. The implementation of a distributed winding for a small pump or a fan would make the electric motor longer.
Therefore, for small electric motors, one relies on a concentrated winding and a PMSM.
I know manufacturers have tried it with an SR motor, however, that did not work out so well.
To answer your first question, I think it will be long term in the direction of a SynRm with permanent magnets.
For what power are you looking for an electric motor?
@@Electric-Motor Thank you very much for such insight reply! So if the major challenge in reducing the size of the SynRM motor is the air gap, what are the 'economically ok' size you think it is achievable for today's technology? (like down to which motor size where you think it is should not go for SynRM anymore)
And if SynRM rely on tight air gap like this, does this mean that it frame has to be dust proof (fully enclosed)?
Thank you again for educating us !
Sorry for the late reply! It is strongly dependent on the size of the electric motor or their bearings and their quality. For small motors up to 1kw is a lower limit at 0.35mm. Reluctance motors should be used only where their advantages can be clearly exploited, for example, a high temperature resistance.
Which is the best electric motor to use in Tugboat to generate 2600rpm of 400x2 hp ?
Thanks for your question. Did you mean 2x400hp so around 2x300kW?
And these 2*300kW do you want to have at a speed of 2600rpm?
Did I understand you correctly?
Amazing video,but why are DC motors not used in EVs, I was hoping for a detailed explanation
I love the animation.
there's a new SESM that uses microwaves through a waveguide to transmit rotor power, no contacting parts.
Excellent explanation
Thank you very much, we would be happy if you subscribe to our channel.
which cource you study sir which engineering from where
I studied electrical engineering in Germany, what do you want to study?
Do switched or synchronous reluctance motors also act as regenerative braking devices?
Yes both switched reluctance motors and sychronreluctance motors can be used as a generator and as a brake. What do you want to use the reluctance motor for?
@@Electric-Motor Hallo. Wie funktioniert denn das regenerative Bremsen beim Reluktanzmotor? Ist das dann so wie beim Asynchronmotor, dass er übersynchron drehen muss?
Well done 👍👍 👍, thanks 🙏🙏
Thanks for your comment :-)
Fantastic video !
Thank you very much for your positive feedback
Vielen Dank für diese schöne Übersicht. Ich habe eine Frage zu SESM. Welchen Strom und welche Spannung (und damit welche Leistung) braucht man für den Erregerstrom? Gibt es da eine Faustformel, die als Variable die Motorleistung hat.
@Markus Loch Hallo vielen Dank für Deine Frage. Die Leistung für die Erregung ist abhängig von der Größe der Maschine. Aber in der Regel sagt man 1-3% der Leistung werden für die Erregung benötigt. Man muss noch unterscheiden ob die Erregerspannung geregelt wird oder einfach die Versorgungsspannung verwendet wird. Für welche Leistungen und Versorgungsspannung soll die Maschine sein?
@@Electric-Motor Ich überlege, ob man die Erregerleistung induktiv übertragen könnte. Der Motor ist für Traktionszwecke im Individualverkehr (50-150 kW)
@@radbot34 Ja, da die Leistung der Erregung eher gering ist kann man das machen und es gibt dafür auch schon Lösungen. Allerdings ist die Frage warum man das machen sollte, da der Verschleiß kein wirkliches Problem darstellt! Also wenn Sie einen Traktionsantrieb mit einer SESM suchen ich kenne Firmen, die welche bauen und sich damit beschäftigen. Oder wollen Sie einen neuen Elektromotor dafür bauen bzw entwicklen?
@@Electric-Motor Ich möchte die induktive Übertragung auf den Rotor neu entwickeln und einen Standard-Rotor eines Standard SESM verwenden. (m@rkuslo.ch)
Ist die neue Art der Übertragung kostengünstiger oder was ist genau Vorteil?
Excellent Explain 👌👌👌👌👌👌
It helps me a lot that you comment on my videos, because the algorithm evaluates that very positively. Please let me know when I can return the favor.
I have a question , i rewind and induction motor the same way it was before but I use thicker wire and 5 turn lessers on each slot but I couldn’t get the motor to start turning , the magnetic field was really strong then the original wiring
If you reduce the number of turns, you reduce the magnetic flux. If you use an inverter, the reduction of the magnetic flux due to the change of the number of turns can be compensated by a higher phase current. This will of course increase your ohmic losses. Do you use an inverter?
What are slip rings?
Slip rings are used to apply current to the rotating rotor. They are used, for example, for externally excited synchronous motors.
Could I answer your question?
Sir, as per your opinion which motors are the best for electric vehicles? could you please guide me regarding the motor, controller and converter? This will be very useful to a lot of viewers like me and my family members.
Hello, funny story I'm working on this very topic right now, please give me a few more weeks. i think this topic is very important that's why I want to make a good video about it. So look forward and activate the bell so you do not miss the video ;-)
Warum gibts keine 5, 7, 11 oder sonst mehrphasigen Motoren?
Haha sehr gute Frage, weil die meisten die Elektromotoren produzieren keine Ahnung von der Entwicklung von Elektromotoren haben. 6-Phasige Motoren können Vorteile in Bezug auf Ausfallsicherheit haben. 7 Phasige habe ich aber auch noch nie gesehen. Womit beschäftigst du dich?
Good suit.
Thanks for your feedback :-) every comment helps me
Can we make an a.c
Motor with two field and two brush with a single line mean one pulse and minus
You can build an ac motor with 2 terminals plus and minus but you have to connect an ac current to it. Most induction motors are built this way. I don't understand what you want to do with the brushes though. Because as soon as you use the brushes to commutate the current it is a DC motor and not an AC motor anymore.
is this part of linkedin cv / activities ?
Yes, we also have a LinkedIn profile. Was that your question?
Hello. I've just subscribed)) how can we contact with you about the questions of all types of electric motors despite RUclips?
Thank you for your subscription, I wish you a happy new year. If you want you can write me a mail, all infos you can find on my homepage
oswos.com/en/contact/
Thank you man
I'm happy to read that the video helped you.
And thank you for commenting on it, it gives the video a better ranking 👍
Je voudrais communiquer avec vous une nouvelle génération de moteur électrique développer
Je suis toujours intéressé par les nouveaux types de moteurs électriques. Quel est le principe électromagnétique du moteur électrique ?
Je vous parle d'un moteur électrique développer dont le rotor à cage d'écureuil est modifié et innovant cette modification a réduit le courant de démarrage dont Id =2 In au lieu de 7In
Si vous le souhaitez, vous pouvez m'ajouter sur LinkedIn et ensuite peut-être m'envoyer une photo afin que je puisse mieux comprendre comment vous voulez réduire le courant de démarrage.
@@Electric-Motor envoyé mois votre nom pour vous ajouter sur LinkedIn
Mon Email : abqari13@gmail.com
Subscribed.
Thank you :-)
In Lord and my Master, Jesus, Name, Amen.
You forgot DFIM
(Not being funny ) I like how they pronounce motor, stator , and rotor.
@Technno I must apologize English is not my native language.I have commented on a few of your videos, I hope that gives you a little push for more views. I am not a video gamer, but I like to watch.
@@Electric-Motor I appreciate that. There is nothing to apologize for. I just like the accent.
Why haven't the big companies redesign the electric motor? Or accept new designs??
Oh that's a good question. Large companies usually have very good engineers who also have excellent and very innovative ideas. However, in order to implement innovative ideas, you always have to take a risk and that is very difficult for many managers.
But you can't blame the managers, because most of them have never developed an electric motor, so it's hard for them to estimate the risk.
But I would be interested to know what you mean by a new electric motor design?
@@Electric-Motor in short I have redesign the electric motor and generator with better efficiencies of 99% when new and still at 95% after 6 years of used and abuse at full loads. I have 2 U.SA. Patents and a full working porotype with 2 independent labs that have verified my claims.
Ich finde die Aussage "vollständige Übersicht" im Titel und die Aussage "vollständige Über alle Typen von Elektromotoren" ein wenig anmaßend. Dann hätte man zumindest über Axial- und Transversalflussmaschinen sprechen müssen. Auch das Thema Elektrostatische Motoren als Nischenprodukt ist überhaupt nicht aufgeführt. Dennoch ein interessanter Kanal wenn auch derzeit technisch gesehen noch sehr flach.
Hallo, zunächst einmal vielen Dank.
Ich wollte mit dem Video vielen Leuten helfen, einen einfachen Überblick über die Typen von Elektromotoren zu bekommen.
Axial und Transversalmotoren sind die Bauformen von Elektromotoren und nicht deren Typen!
Ich habe das zwar jetzt nicht zu Ende gedacht, aber ich würde behaupten ich kann jeden Elektromotortyp Axial und Transversal aufbauen.
Oder Siehst Du das anders?
Hättest du gleich auf deutsch machen können
Are your teachers busy? scan circuit solver on the playstore!
Primarily as a consultant, but thanks for your recommendation
He has, TV tubes-- illegally arranged! Only entertainers-- run them!
Might as well spean German, I'd understand more
fair, the accent can be difficult if you don't spean- i mean speak it, or have much exposure ^-^
Very difficult to understand. Very bad English pronunciation