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0 votes
0 answers
100 views

What type of single-phase motors can I control using a frequency inverter?

I have a single phase fan, and I want to control the speed of this fan so it occurred to me to design a VFD for this purpose, but I was researching more about single phase AC motors and I read that ...
WalterPH's user avatar
  • 440
0 votes
0 answers
313 views

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, ...
General X's user avatar
0 votes
0 answers
264 views

Why do BLDC motors require feedback, whereas AC motors do not?

I was delving into the functional difference between 3-phase AC motors and 3-phase BLDC motors, and was wondering what would happen if a BLDC motor was run without feedback to its controller. I found ...
anmnj's user avatar
  • 1
1 vote
4 answers
2k views

AC Synchronous motor control circuit

What is the best way to drive AC synchronous motor? I have AC motor like this: If I connect mains to 0 and 1 terminal it drives CW, if to 2 and 0 - CCW. In my project I have MCU that will drive motor,...
plumbum_by's user avatar
1 vote
1 answer
822 views

Why can't I change the speed of an ininduction motor by changing the voltage?

Given a three-phase asynchronous AC motor ("induction motor"), I tried figuring out whether lowering speed / torque by lowering the supply voltage should work, similarly to how it works with ...
Lukas Barth's user avatar
0 votes
5 answers
100 views

Working of an electric motor [closed]

Do motors run on an Ac source? If it does then do we need to convert ac into dc before supplying it to the motor?
Isha Roy's user avatar
  • 101
1 vote
2 answers
1k views

Speed Controlling an AC motor

Hello I have an AC motor that i want to make a speed controller to, but before i start i want to make sure that it is possible with the type of motor i have. I do not want to waste the motor ...
DrakeJest's user avatar
  • 917