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Questions tagged [stator]

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For questions about stators, the stationary part of the rotary system of electric motors and generators. Use in conjunction with the "motor" and "generator" tags, as applicable.

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I’m working with an three phase direct drive motor. Normally the rotor spins while the stator is fixed, but what if I mechanically fix the rotor and instead rotate the stator around it? What would ...
Shamurov's user avatar
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2 votes
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I'm curious if there can be found any functional purpose with the presence of this gap that exists between the two poles of the stator in this DC brush motor (Black and Decker Magnet Ring 243281-02). ...
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What is the equation that better describes the lower bound of capability curve which is core end heating limit as shown in this figure from Wikipedia 'Capability curve' : Wiklipedia
Yassine Boubcheur's user avatar
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I need to wind the wire of bldc motor according to the desired output parameters. So how to calculate the number of turns when I already have the stator and rotor dimensions? Is there a formula?
Sơn Khánh's user avatar
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I thought that building a stator for a BLDC motor using a pure metal like iron or steel would be enough, so that the stator would have been made from a pure material, but then I read that the eddy ...
dsa's user avatar
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I am currently trying to figure out why a Robin RGD351 single phase, self exciting has stopped producing power. I have gotten the manual (https://www.manualslib.com/manual/988411/Robin-Rgd351.html) ...
Yanick Salzmann's user avatar
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So I tried to visualize 12 slots 2 poles induction motor and I used a coil pitch of 150 degrees as is the convention. Each pole will use an interval of 12/2=6 slots. 6 slots is a complete electrical ...
İbrahim İpek's user avatar
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I am using BLDC Stator and BLDC controller at 48V @ 27A.
Jon Alan Stephens's user avatar
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I'm designing a 9-coil, 3-phase PCB stator, and I'm stuck on how to connect the coils together. They need to be connected in a Wye configuration, but I'm not sure if each phase is supposed to be ...
Jay's user avatar
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I have 0.35mm laminated steel sheets, and I want to make it bond together to form the stack. What is the method that I can use? This stack will be used to be the stator for bearingless motor in temple ...
KANOKTHON SANTINONSET's user avatar
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I'm new to inverters and the only way I know how to measure the stator voltage of induction motor is to connect the multimeter to terminal of junction box. So could anybody please elaborate more about ...
user11004178's user avatar
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I don't know if this question belongs to this forum, but I just saw this video and found out that the stator coil's armor (? - or something, I don't know the word) is made of layers of metal disks, ...
Brother Eye's user avatar
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I want make outrunner BLDC motor by myself. I am looking for an easy and cheap way to get the inner stator part of it if available. I see this AC motor armature and it uses almost same shape and ...
dharmikP's user avatar
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I have a couple 24 volt 400W wind turbines on order for my 24 volt off-grid system I already have set up with 2000 watts of solar, inverter and generator. The included charge controller schematic ...
Dehv Blak's user avatar
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A very simple electrical AC generator can be made by spinning magnets around a fixed stator coil. The changing magnetic field induces current in the stator winding. It would seem that at a fixed ...
user8908459's user avatar
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Will a strong diamagnetic material like bismuth allow for electricity generation if the copper coils are on the other side of the bismuth plate from the magnet? Imagine the following three layer ...
user3579586's user avatar
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I'm adapting a 60V BLDC e-scooter hub motor (see image below) to a custom made EV. In this specific motor, as it's designed for scooters, the wiring and the brake disc mounting are in opposite sides, ...
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According to this ppt, if the currents are given as $$\left\{ \begin{aligned} i_{aa'}=I_M\sin{(\omega t)} \\ i_{bb'}=I_M\sin{(\omega t-120°)} \\ i_{cc'}=I_M\sin{(\omega t-240°)} \\ \end{aligned} \...
GJSK's user avatar
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Image from here: I would like to design (or to calculate the existing of) an induction motor, either 3 phases or single phase. I understand that both stator and the rotor made from a stacked-laminated ...
Sitorus's user avatar
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Details: No. of POLES=2; i.e 1-pole pair SPP= slots per pole per phase In my case, amplitude of MMF of 3-phase 1-spp machine= 0.75; Then what should be the amplitude of MMF for 2-spp machine ? Is it ...
patelp2205's user avatar
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Recently I was doing some work on the induction motor where I found some general theory on starting speed torque curve of the induction motor. Where the theory is the starting torque will be 1.5x of ...
HEMARAJ J's user avatar
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3 answers
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I am using a BLDC 3-phase hub motor and recently installed a motor controller rated for 3000 W (I originally had a 1200 W controller installed). The motor is rated for 500 W nominal and 800 W peak, ...
Maarten -Monica for president's user avatar
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If I was to apply power to a 3 phase stator, which in turn creates a magnetic field that's projected onto the rotor (with magnets), and (in a friction-less world) would cause the rotor to rotate (...
Luke's user avatar
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Pretty much a yes or no question. Would be greatly appreciated thankyou
Liv's user avatar
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Is it possible to have an AC motor with only a partial stator, one that does not fully encompass the rotor? Refer to the picture to understand what I mean. This would be needed to drive a spherical ...
Andy Lycett's user avatar
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2 votes
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I am unable to understand how a Doubly-Fed Induction generator works (in Wind Energy conversion system)? I do not understand how the reactive power fed into the stator interacts with the rotor so as ...
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Book says rotor mostly runs at speed near to synchronous due to which the relative velocity between rotor and stator magnetic field is very less. Correspondingly making rotor core losses tiny and ...
Muhammad Naufil's user avatar
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I am constructing a very basic miniature generator (25mm diameter), the rotor has 8 bar magnets, and there will be the same number of coils, wired appropriately, in the stator. . I understand that ...
B Faulkner's user avatar
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Question 1) I am trying to make a miniature alternating current (ac) generator from elementary first principles. Before I waste a lot of time (and copper wire), I wanted to check if the ...
B Faulkner's user avatar
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195 views

Does a stator benefit of being in one piece, as different phases may form a horse-shoe(?), or is the layout puerly of manufacturing efficency?
user247245's user avatar
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1 answer
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My big fan stopped working, so I decided to dismantle it and check what's wrong with it. The problem lies in a faulty induction motor. I opened it and found out that I can easily turn the rotor ...
Alex's user avatar
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7 votes
2 answers
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I'm hoping you can help me. I've long been into motorcycles, and have restored and customized many different bikes. While building custom motorcycles, I often add electrical accessories, and use high ...
user128471's user avatar
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Imagine simple 2 pole 3 phase induction motor, is there a mandatory pattern for the stator windings to creat a rotating magnetic field? Why must the angle between the coils be 120 mechanical degrees ...
iMohaned's user avatar
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I'm interested in making something like this: http://www.vivax-assist.com/en/produkte/vivax-assist-4-0/vivax-assist_4-0.php Because it looks awesome, but for the price i could buy a motorcycle and ...
Asger Frederiksen's user avatar
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I don't have a good knowledge of engineering materials, so please answer the following questions with reasons. Why is the stator frame of a 3-phase generator made up of cast iron? Why is the ...
jNerd's user avatar
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Short and simple - I want to understand the relationship between RPM (specifically on a motorcycle crankshaft) and AC stator current. In most motorcycles there is a magnetic field generated at the ...
Shidoran's user avatar
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2 votes
3 answers
3k views

In the following example, when it says “with respect to stator” and “with respect to rotor”, did they mean the rotor part of the synchronous generator in both cases? Example: The excitation field in ...
Suaad's user avatar
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272 views

Here is an equivalent circuit of a rotor on an Induction motor: Can someone explain How do we arrive at this circuit? The rotor seems to be only a disc(made of a metal) with conductors embedded near ...
Sherby's user avatar
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