Questions tagged [ac-motor]
For questions about electric motors driven by alternating current (AC).
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How to solve application with power spike one time per 24 hour
We have a building where many similar systems run heaters and valves off a 400VAC, 3 phase, 63 ampere supply (45 kW maximum.)
Internal control software in each system turn the heaters and valves on ...
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How to connect Arduino to AC motor
I want to connect from Arduino Uno to AC 1.5 kW single phase motor for my cement mixer project. I was want to try to create a switch on off by using code in Arduino and I was thinking to add several ...
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What happens if you connect an AC generator to an AC motor? [closed]
An AC generator (or alternator) converts mechanical energy into electrical energy. An AC motor does the reverse.
What would happen if we connect the two in such a way that the output rotational ...
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Mystery small, electric motor: shaft held stationary while motor spins around it
I want to wire this motor to a 3-pin plug. The colors are not standard. Which of these wires is neutral, active and earth.
It would be of interest to know what this kind of motor is called?
I was ...
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Is it OK to reduce fan speed by reducing voltage?
I have this air cooler whose speed is just too much even on the lowest speed setting, so I added one more speed controller(or regulator) in series which is basically used to control the ceiling fan ...
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Trying to understand this electrical diagram schematic on an AC motor that I have, particularly symbol between yellow and black wires
I'm new to electrical wiring and I'm trying to learn a bit and came across this AC motor which I have that isn't hooked up. I have attached the motor wiring diagram:
This is also the wiring ...
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Why AC motor driver shorts out?
I have been working in a VFD using an AC motor driver FSBB30CH60DF and making control of it using a dspic30f4011. As you can see in the attached circuit schematic, the mains supply is a single phase ...
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Oversized electrical motor, synchronous, vs asynchronous
I know that a oversized motor would consume more energy than a well sized one, and in a low load scenario it will present a lower power factor than a well-sized one too. My question is, what is the ...
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Can this blown component be identified?
I was repurposing a universal motor from a blender for a home project. Unfortunately a screw went through a wire and shorted to ground. Many components are damaged. I'm assuming the motor is fine. The ...
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Doubts regarding relays
I post this question asking for advice. I am working on a personal project for my garden and I want to automatize a water supply system, more specifically a 1/2 HP water pump and a motor. Both work ...
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How to prevent an electrical motor surge from repeatedly blowing the fuse when it stalls?
So, this is something that I shouldn't need to do, but I do. As far as I understand, it should be trivial, bit I'm hazy on the details.
I have a 2kW mains AC power tool with a rotary output. Its ...
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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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Are there any 20v to 240v step up transformers in the market? [closed]
I'm constructing a AC motor driver for a project that will take in a DC voltage source and output an AC voltage fit for an AC-motor. I didn't have prior experience with power electronics or power ...
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Induction Motor Wire Size
Capacitor Run Single Phase Induction Motor have very high starting currents, possibly in the order of 35-40 Amps upon startup for a 1 hp device, whereas the nominal current usually lies in the order ...
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SPIM Rated Torque
What determines the rated torque of an induction motor? Is it purely limited to max continuous current adherent to heat dissipation requirements, or is there more to it? From what I understand, motors ...