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AC stands for Alternating Current. It usually applies to voltages with >100 V RMS, but can also be used for other AC voltages, like 24 V industrial AC power.

1 vote

Can this transformer be used as a conventional step-down transformer?

Many pins because they use a standard frame. Which is a good thing, it gives mechanical strength. It's not a step-down transformer, and it's not how it is used in the laptop adapter. In the laptop the …
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8 votes

Is it ok to connect 60Hz inverter to 50Hz transformer?

It is sort of OK. You will not damage it, but the efficiency probably will be lower. It could be a problem for a motor, but a transformer will probably work. Are you sure 12V isn't enough where you ar …
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1 vote

Net-Zero Magnetic Fields in a Three-Phase Motor

Before visualizing, try kirchhoff's law. One current will always equal to the sum of other two. No magnetic fields because in total there is no current. If you step back and zoom out, there is no (wel …
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