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Question:

Is the motor of a washing machine AC or DC? ?

I am having this problem on how to incorporate programs in our PIC16F84A project.

Answer:

Ac Washing Machines
In the UK the universal series motor is commonly found on mains operated washing machines. This motor will operate on both AC or DC. A universal series motor of this type is easily identified by the carbon brushes supplying current to the armature winding check out the pictures on the website below
it will be difficult to hand turn any motor fast enough to illuminate a bulb that large. You could put a volt meter on the motor while you turn it to see how many volts you get. You can also drive one motor with another motor, just to see what the best voltage possible is. A DC motor will generate DC voltage, and the DC voltage will likely be small - approx 12 volts or less. If you spin such a motor fast enough to generate 120 volts, it will self-destruct, because it's spinning ten times faster than it's designed. There will also be inefficiencies, so you will only get part of the electric energy out. You might want to try a smaller bulb, like a flashlight bulb.
the motor in the washing machine is dc motor but ...as we all know the supplier in our houses is AC ...but there is some AC DC convertor in the washing machine.
I have seen both depending on the make and model. Certainly ac is used more often but since the motor is often speed control then it doesn't make that much difference which is used as there is some form of controller anyway. The dc I came across was a permanent magnet type and was actually the reason the machine had broken. A magnet had detached from the body and jammed the armature.

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