All Questions
13
questions
0
votes
0
answers
45
views
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 ...
0
votes
2
answers
77
views
Did I wire this AC motor properly?
I disassembled a drill to replace the chuck and when putting it back together it seems to be short-circuiting. I have doubled check the cables but they seem to be ok, so I'm afraid I may have wired it ...
- 21
0
votes
1
answer
2k
views
How does this single phase induction motor run without capacitor?
The motor of the picture has no facility to connect capacitor. The phase and neutral is directly connected to winding. It works fine on 220 volt 50 Hz AC. Although performance get poor at 190 volts.
...
- 2,519
-2
votes
3
answers
370
views
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 ...
2
votes
3
answers
534
views
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 ...
- 23
2
votes
4
answers
6k
views
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 ...
- 31
0
votes
1
answer
165
views
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 ...
- 9
4
votes
3
answers
857
views
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 ...
- 205
0
votes
1
answer
36
views
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 ...
- 205
0
votes
4
answers
4k
views
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 ...
- 51
2
votes
0
answers
163
views
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 ...
- 21
0
votes
3
answers
188
views
I removed a little motor from my laptop fan and it won't run using a 9V battery
I realize this is may be a noob question so please point me to the right place to ask it if this isn't so. Anyway, I'm trying to build a little magnetic blender using a spare laptop fan. I tried ...
- 103
1
vote
2
answers
180
views
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 ...
- 41