Questions tagged [ac-motor]
For questions about electric motors driven by alternating current (AC).
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Coil winding direction in a shaded-pole motor (4-pole)
I have rewound a shaded-pole motor (4-pole).
It's wound around the stator in a clockwise motion and around each coil in a counter clockwise motion.
Is the winding being incorrect the reason why the ...
CommunityBot
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Is it possible to use just two SPDT relays to control this AC motor?
I purchased an inexpensive electric hoist off Amazon with the intention of partially replacing its control circuits so that it can controlled via ESPhome.
There are only 2 buttons on the control box. ...
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AC Motor Control with TRIAC
I want to drive an AC motor using a TRIAC. I am new to this topic. I built this circuit and found that it is not working. What could be the reasons for this?
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What parameters give unlinear torque model of induction motor?
I want to realize factors which give nonlinear model of torque toward speed with power consumption in induction motor.
I tried find math model induction motor. But usually, I had same charts:
As we ...
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AC motor speed control circuit
I connected a circuit found on the internet:
Results:
When the AC motor is connected to the closed circuit, it did turn on, but the speed of the motor keeps increasing on its own without turning off, ...
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Can I run a one-phase AC capacitor motor from a three-phase VFD?
I'm building an art installation and found a cheap but strong AC Motor with capacitor. So by my understanding it is a one-phase capacitor run motor. The shield with the specs is very old and hardly ...
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Impact of Low Power Factor on Loss Generation in PMSMs
I am focusing on the losses generation in PMSMs and still have some doubts about the role of a low power factor.
For the analysis, I consider a three-phase PMSM controlled with Field Oriented Control (...
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Controlling AC motor with relay vs. switch on motor
Is there a difference in terms of operation between switching a relay connected to mains for an AC motor versus opening/closing a switch on the motor? Would the internal protection circuitry ...
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Which type of motor use in oil-free air compressor? And how to detect stall?
I got 220V AC single-phase air compressor which labeled "Oil-free" and it look like this.
Some time the motor fail to start and got smoke out. (Some people says that happen when start motor ...
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Wiring AC 5 Wire Motor with 4 Phases to Run at Max
I'm trying to hardwire a fan motor to always run on max. Currently, it has a circuit board that allows you to adjust the speeds and requires a bit of fiddling to turn on and set the speed when the fan ...
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Why does a motor or ceiling fan exhibits low torque after capacitor-to-inductor swap?
For quite some time, I have been curious about what would happen if I replaced the capacitor in my ceiling fan with an inductor. Here in India, we usually deal with a mains voltage of about 220 - ...
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Reversing direction of an AC universal motor
The problem: I have a table saw motor I am trying to use in a jointer and need it to spin in the opposite direction (permanently). I have had trouble finding an answer that I am reasonably sure ...
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Variable speed drive for an alternating current motor with PIC18F4431
I'm designing a control board for a three-phase motor speed controller using a PIC18F4431. I've used an inverter powered by 24V DC to convert the voltage to 24V AC to power the motor. Additionally, I'...
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TRIAC Controlled Motor circuit: PWM logic doubt
I'm working on the logic board of my kitchen air extractor. I wanted to "hijack" the controls (physical buttons) to be able to control those with an ESP8266. While I was analyzing the ...
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Single phase 3-speed AC motor won't start spinning or spins in wrong direction
I have a Danby DPAC8399 air conditioner, and its fan motor started acting strangely. Sometimes, it it will only do a hum and won't start, and other times it will do that hum for a few seconds and then ...
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