Questions tagged [motor]
An electrical actuator that converts electrical energy into rotational motion or sustained linear motion (linear motor). If the specific type of motor is known, it is helpful to use or add a more specific tag, such as dc-motor, brushless-dc motor or induction-motor.
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Would this motor growler from a microwave oven transformer work? (Drawing included)
I want to make a growler to test motor rotors / armatures.
I want to use a microwave oven transformer, removing the secondary coil, cutting the centre out (where the two red lines are) and removing ...
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How do I drive a 180 VDC, 250 W PMDC motor from 230 VAC and control its speed from a Jetson Nano? [closed]
I want to control a 250Watt 180VDC pmdc motor using jetson nano. I am a computer guy. Can someone help me, about what motor driver should I choose and also how can I connect the jetson nano to this ...
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Voltage Spikes with PWM Controlled Brushed Motor
I have disassembled a 20V cordless drill. It uses a two-lead brushed motor controlled via a PWM signal. Out of curiosity I connected both motor leads to an oscilloscope and measured both against a ...
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FOC (MCF8329EVM) vs Trapezoidal Driver: No Noticeable Difference in Noise or Vibration — Why?
I want to drive a BLDC electric motor. For this purpose, I purchased the Texas Instruments MCF8329EVM, which uses FOC (Field-Oriented Control).
I also have another driver that operates using ...
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How does this little 24 V AC motor work?
I opened up my heating system zone valve, and found this little motor. I am not sure how it works. I understand the working principles of 3 phase induction motors and 3 phase synchronous motors, I ...
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AC direct drive motor: rotating stator instead of rotor?
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 ...
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Uprating a motor for a lower service factor
Electrical motor sizing issue: I have a 500 W motor rated for S3/25% with service factor 1. Bonus complication since it has a gearbox attached.
We are discussing if it makes sense to 'uprate' it for ...
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Measurement mismatch in star-delta conversion
Recently, I was interested in star-delta conversion formula and I wanted to test it on a 3-phase motor. First, I connected its second terminals together to have star configuration, and I measured each ...
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Current Loop in motor control, behaviour of Id
Let us assume a torque control of a PMSM motor, where the parameters to be set are Iq and Id.
1) Is it normal that by setting IqRef the rotor rotates clockwise ... while by setting IdRef it rotates ...
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Limiting Resistance Range of Potentiometer
Im working on limiting the resistance range of a potentiometer that feeds into a motor control unit. This motor control units runs an electric motor. We want to limit the joystick switch pot range to ...
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Quadrature encoder in DC motor control
I have two main question about the subject of "Quadrature encoder" of DC motors. I provide the following link of a DC motor with integrated encoder:
https://www.aliexpress.com/item/...
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How can I limit current created by a hand cranked DC motor?
I have a brushed DC motor which I am trying to make easier or harder to turn by hand (something like a haptic feedback). I have accomplished this previously by putting power resistors across the ...
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Applying grease to stator and rotor in AC motor [closed]
Can I apply (and do I need apply) grease to the surfaces of rotor and inside of stator in an AC (alternative current) motor?
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Close loop SPWM BLDC motor control
Is my intention to do SPWM on BLDC using 32bit MCU with 6PWM. To do this I will be using 512 point sine LTU. I already do this by just feeding the PWM outputs of the MCU and I'm able to move the BLDC ...
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Stepper motors, microstepping and torque
This might have been asked one way or another different times, but I found contradicting answers everywhere, not only here but in online forums as well. Plus, I have a few thoughts that I have not ...
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