Questions tagged [ac-motor]
For questions about electric motors driven by alternating current (AC).
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How to combine wall outlets for higher amperage?
I have a large single phase AC motor that draws 30 amps at 125v. I only have access to NEMA 5-15R outlets (which are rated for 15 amps). However, several outlets are on different lines (different ...
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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,...
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control ac motor with SCR
I want to repair the circuit of a Mixer that used the TS820 thyristor.
The other components were healthy except the thyristor so I replaced the TS820 with the BT151 but the circuit did not work.
Now I ...
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2
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Valve motor seems to stall to open. Does this make sense?
This is the scenario: There's a valve controlled by what it looks to be an AC motor, specified as 220V 50Hz and 7W. That's all, there's no datasheet available and there's nothing else on the labels ...
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Reconnecting a rewound 110vac motor to power
Motor is (about) 5hp 110vac and powers a a table saw.
Motor was recently rewound but previous owner did not reconnect to the power cord.
There are no info plates on the motor to help w/ reconnecting.
...
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What is the net magnetic flux density in the center of a four-pole stator and other multiple-pole stator?
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}
\...
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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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Need help designing a hairdryer
I'm designing a hairdryer as project for a university class, but I'm having trouble regarding the choice of the motor. I need it to have two possible speeds. My first idea was to use an AC motor and a ...
- 23
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answer
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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 ...
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Effect of PWM output from Variable Frequency Drive to PSC motor
I looked at VFD diagram and seem like it use Sine-PWM Output without any filter to drive psc single phase ac motor
Inductance and capacitance seem to work with pure sine wave but PWM output have a lot ...
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Space vector and bias voltage
I am trying to learn the space vector modulation but I am wondering how is the bias voltage in a 3-phase system regarded by the space vector?
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Multimeter and clamp give different AC current measurement
I am trying to measure the power output of an AC permanent magnet motor to a load (a resistor). To do this, I am measuring the current through the resistor, and the voltage across the resistor. To ...
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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?
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How to increase the power of an electric motor?
What's the difference between a 1HP and 2HP electric motor?
Slightly different dimensions:
They look almost identical:
Here are the specs:
Same top speed (RPM). Same Voltage. Difference in current ...
- 1,089
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How to wire a single phase, 3 wire motor?
So i bought a motor off of kijiji, it was an old furnace motor. I am trying to build a flat lapidary machine and use this motor to power it. However, there is no wiring diagram on the motor anywhere ...
